About the Author

 

Laura Sanchez

Articles by Laura Sanchez

Resource Recovery

| As water becomes increasingly precious, the nutrients, metals, and energy contained in wastewater also become more valuable. In fact, many believe that their extraction and commoditization could provide municipalities with an additional revenue stream. Researchers are working to refine resource recovery methods while encouraging utilities to view wastewater as an asset. In the US, wastewater ... READ MORE

A Charging Challenge

| I learned this week that actor Daniel Craig will drive an electric Aston Martin in his final Bond film, slated for release next year. The car, a Rapide E, features a 65.0-kWh battery pack, a range of 200 miles, and two electric motors that generate more than 600 horsepower and 700 pound-feet of torque, according ... READ MORE

Interwoven Systems

| The water-energy nexus is often discussed relative to opportunities for efficiency that exist at the interface of energy and water systems. Energy is necessary to treat and distribute water, and water is crucial for producing energy. However, as it turns out, this interdependence can also lead to crisis if one system fails. This week, as ... READ MORE

Editor’s Comments: Creativity and Conviction

| In 1957, inventors Alfred Fielding and Marc Chavannes put two pieces of a shower curtain through a heat-sealing machine with the intention of creating a revolutionary new style of wallpaper. But the result—a thin sheet of plastic with air bubbles trapped between—was profoundly disappointing. The inventors didn’t let that stop them, however. Instead, they got ... READ MORE

Banking on the Future

| Today more than 1.2 billion people worldwide lack access to clean drinking water. The combined effects of population growth and climate change are likely to create increased challenges for water management in the US as well. Projections of water supply and demand over the 21st century show that the US will face serious water shortages ... READ MORE

A Solution from Space

| Lightprints—visual evidence of energy usage—reveal a lot about global power distribution. By observing the earth from a satellite’s perspective in nighttime images such as this one, we’re able to see illuminated clusters of homes and businesses in urban areas connected by sparkling linear networks. And from this omniscient view, it is clear just how dispersed ... READ MORE

Profound Plastics

| The Mariana Trench, a deep, 1,500-mile by 43-mile trough in the ocean floor east of the Philippines, was formed at the collision point of two tectonic plates. At its most profound point, the trench is nearly 7 miles deep. According to National Geographic’s Deep Sea Challenge, “If Mount Everest were dropped into the Mariana Trench, ... READ MORE

A Creative Solution

| I’m continually amazed by the energy industry’s efforts to accomplish new levels of efficiency with inventive, out-of-the-box thinking. New power configurations, finance models, and technological advances support the industry’s transition to more digitized, decentralized systems. One such innovation is the recent development of a new business model that reduces the upfront cost of flow battery ... READ MORE

Editor’s Comments: Ode to the Sensor

| SENSORS ARE INVISIBLE yet ubiquitous components of today’s urban landscape. These workhorses of the digital age can be as small as a sesame seed, yet precise enough to guide a self-driving car or detect harmful contaminants down to the sub-micron level. And in 2020, it’s estimated that about 300 billion sensors will enhance each of our ... READ MORE

Mighty Microorganisms

| One of my guilty pleasures is a multi-media biology project called “Pondlife,” which features images and video footage of some of New York City’s tiniest inhabitants—unicellular organisms that reside in the city’s fountains, reservoirs, and waterways. The digital storytelling is produced by biology post-doc Sally Warring, who offers a window beneath the surface into the ... READ MORE

Charging Ahead

| Three archeological objects—a ceramic pot, a copper tube, and an iron rod—are considered by some to be the earliest energy storage technology. These artifacts, together called the Baghdad Battery, were first described by Wilhelm Konig, a curator at the National Museum of Iraq, in a 1938 paper. They are believed to date to the Parthian ... READ MORE

A Shell Game

| Predicting when global economies will reach peak oil demand has become something of a sport in recent weeks. While most predictions fall within the 2030s, new reports indicate that peak oil demand may take place as early as 2023, far sooner than many energy analysts and oil companies had previously imagined. A report by the Carbon Tracker ... READ MORE

An Infrastructure Equilibrium

| There’s a concrete channel across the street from my home. Though usually dry, heavy rains have brought muddy water down its beige gullet all week, temporarily displacing the urban ducks. Although the channel’s reinforced sides offer significant peace of mind during rainstorms and mudflow, I recognize that the stream was once a natural waterway, alive ... READ MORE

Global Growth

| The energy industry is amidst a historic transformation as it moves from a traditional grid framework to decentralized, decarbonized, and digitized systems. Energy storage has emerged as a critical component of these dynamic energy architectures. In November, global stakeholders gathered at Energy Storage North America (ESNA) to discuss this transition, its influence on emerging markets, ... READ MORE

Youth Rising

| At 11 years old, Gitanjali Rao watched her parents test the drinking water at their home in Lone Tree, CO, with a clumsy home test strip kit. The results were hazy and unreliable. Amid the turbulence of the Flint water crisis, she became determined to develop a solution. Rao designed a small water-testing device to ... READ MORE

Decentralized Power

| I’m continually inspired by innovative solutions to energy distribution challenges. A solution that sparked my interest recently was the development of a new model for demand management currently in pilot testing in the state of New Hampshire. The New Hampshire Public Utilities Commission approved a plan put forward by Liberty Utilities to use a network ... READ MORE

Editor’s Comments: Mining Insights

| DATA IS THE gold of the 21st century. Like gold, data is a precious commodity that is mined feverishly today, utilized for its many attributes, and treasured for its inherent value. To obtain value from both resources, the ore must be transformed into an object of value—minted into coins or analyzed to reveal actionable information. Like gold, raw ... READ MORE

The Forest for the Trees

| It’s no secret that water is becoming increasingly scarce. We’ve documented the land grab for water resources in California and the decreasing groundwater supplies for agricultural use throughout the Midwest. However, it seems that as temperatures warm, urbanization and agriculture are not the only areas impeded by water scarcity. The growth of trees in forests ... READ MORE

Mobile Microgrids

| I was reminded recently that, as contemporaries, Henry Ford and Thomas Edison worked in tandem on the development of motor-driven vehicles and energy distribution. Today, in a stroke of synchronicity, those industries have an opportunity to collaborate once again. In 2018, US EV sales totaled 361,307 units, up 81% over 2017, according to an industry ... READ MORE

Editor’s Comments: Narrative Maps

| Aboriginal creation myths indicate that in Australia, ancestors charted the geography by singing out the name of landmarks in their path. In doing so, they created songlines—musical maps—that have been passed down from generation to generation. Tribal members still use these songs today to navigate the landscape as they sing their way from place to ... READ MORE

Desalination: Worth its Salt?

| Desalination plants provide fresh water to thirsty populations around the world. And in the face of global water scarcity, this technology is considered increasingly valuable. However, the brine that these treatment processes discharge can also be detrimental to the environment according to a new study. For every liter of freshwater output, desalination plants produce about ... READ MORE

PG&E Presses the “Pause” Button

| In a dramatic series of events, San Francisco-based PG&E announced Monday that it will file for Chapter 11 of the US bankruptcy code on January 29. The company’s CEO, Geisha Williams, also stepped down amid the disturbance as its stocks plummeted. For months investigators have been working to determine whether the power supplier’s equipment sparked ... READ MORE

Lead Pipes and Machine Learning

| More than three years after it was determined that lead from distribution pipes in Flint, MI, was leaching into drinking water and affecting residents’ health, thousands of homes in the city still have lead pipes. The pipe replacement effort has been complicated by both politics and residents’ mistrust of a machine-learning model designed to help ... READ MORE

Disordered Particles

| I’ve often marveled at the many happy accidents that lead to great discovery. There’s something unexpectedly thrilling about the tangle of used Scotch tape that helped scientists discover graphene’s nano-scale capabilities. There’s quotidian brilliance in the sandwich-style layering of gold particles to produce high-efficiency solar cells. Fortuitous advancements such as these are also producing extraordinary ... READ MORE

Water Efficiency’s Best of 2018

| Before we close the books on 2018, let’s revisit Water Efficiency’s top posts and stories for the year. This blog post received more comments than any other Water Efficiency post published in 2018. Coastal Concerns The effects of sea level rise extend beyond beach neighborhoods to national security. I’ve written about rising sea levels and the ... READ MORE

2018’s Greatest Hits from Distributed Energy

| As we head into 2019, let’s revisit Distributed Energy’s top posts and stories of 2018. This blog post received more comments than any other Distributed Energy post published in 2018. The Battery Apocalypse How will we manage battery waste? In the near-distant future, spent batteries could clutter the landscape. A primary focus of energy storage ... READ MORE

Warming Water

| In a simultaneous contradiction, it appears that oil companies likely concealed knowledge of the negative effects of fossil fuel combustion while actively protecting their infrastructure from rising sea levels. A number of citizen groups and government agencies have filed lawsuits recently, asserting that fossil fuel producers knowingly subjected the public to the destructive impacts of ... READ MORE

A Land Grab for Groundwater

| “Whisky is for drinking. Water is for fighting over,” Mark Twain is famously quoted as saying. This statement resonates especially deeply today in the western US where resource scarcity, an ever-expanding population, and a changing climate have made water an increasingly precious commodity. And it appears that by purchasing arable land with access to groundwater, ... READ MORE

The Future of Commissioning and Energy Management: Forward Together

| CxEnergy marks its sixth year in 2019 and has scheduled the annual expo for April 15–18 in Orlando, FL. The event focuses on commissioning; energy management; and testing, adjusting, and balancing (TAB); and is presented by the leading organizations in those fields: the Associated Air Balance Council (AABC), AABC Commissioning Group (ACG), and the Energy ... READ MORE

Assessing Seismic Risk

| It cracked store windows, severed gas lines, and crumbled roadways. It even triggered a tsunami warning. But in the wake of a 7.0 earthquake—the second largest in the state’s recorded history—Anchorage’s water system proved remarkably resilient. In fact, by the following day, power, water, and communications were restored in most of the affected areas, with ... READ MORE

Incentivizing Storage

| Energy storage systems are a fundamental component of a modernized electric grid. Members of the clean energy industry recently outlined the benefits of an investment tax credit for energy storage in a letter to Congress in which they encouraged policy makers to consider the value of supporting the technology’s market growth. Investment Tax Credits (ITC), ... READ MORE

Editor’s Comments: The Energy Transition

| The energy industry is in the midst of a historic transformation as it moves from a traditional grid framework to decentralized, decarbonized, and digital systems. And many believe that the paradigm shift underway will not only affect the power industry, but that it will profoundly impact global infrastructure and economics, as well as the way ... READ MORE

Fatberg Forensics

| Just as archaeologists sift through dusty middens to discover the secrets of our human ancestors, today anthropologists are able to analyze greasy pipeline deposits beneath urban areas to uncover the truths of modern society. These oily deposits, also known as fatbergs, are composed of accumulated fats, oils, and greases (FOGs), and whatever else is flushed ... READ MORE

Hydrogen Rises

| Throughout the past century, there have been a number of attempts to launch hydrogen-powered energy infrastructure that were obstructed by economic and technological factors. There was the network of hydrogen generating windmills proposed by J.B.S. Haldane in 1923, the solar-hydrogen-fueled economy suggested by John Bockris in 1970, and the hydrogen fuel cell-powered concept put forward ... READ MORE

An Agency Makeover

| Cybersecurity threats are a growing concern. There were more reported instances of data breaches in the US during the first half of 2018 than in all of 2013, according to a recent report.  A separate study indicates that 43% of US businesses were the victim of a cyber security breach within the last 12 months. A bill ... READ MORE

The Happiest Trout

| It’s become abundantly clear that medicines ingested by humans and discharged through effluent can affect animals throughout an ecosystem. A recent report reveals that this environmental exposure can, in some cases, subject them to high doses. Researchers from the Cary Institute of Ecosystem Studies Australia tested insects and animals from six streams near Melbourne. Between ... READ MORE

A Liquid Battery

| Advances in materials science are producing extraordinary developments in the energy storage space. A research team from Chalmers University in Sweden recently developed a solar thermal fuel that can store energy long-term and discharge it on demand as heat. The energy storage capacity of this fluid relies on an isomer—the chemical conversion of a molecule into ... READ MORE

There’s a Robot in Your Pipes… And it’s Wearing a Skirt

| Sometimes great innovations are inspired by quotidian life. Such is the case with a revolutionary leak-detecting robot. Mechanical engineer You Wu began developing leak detection solutions when he joined the MIT Mechatronics Research Lab and was charged with adapting a colleague’s gas leak detection device for water pipes. The original model, a self-propelled robot, was ... READ MORE

Editor’s Comments: Multidimensional Insights

| SUNSPOTS WERE OBSERVED by telescope as early as the 1600s. Astronomer Galileo Galilei was the first to document the location of these solar specks by making ink marks directly onto paper. While maintaining the precise image plane, he translated complex data points into an accessible and easily read format. ... READ MORE

Aligning Electrons

| Air travel accounts for nearly 2% of global carbon dioxide emissions and is considered one of the fastest-growing sources of greenhouse gas pollution. Therefore, the scientific community has long felt that the electrification of air travel could provide wide-reaching benefits for the global environment. Powering an aircraft, however, requires batteries that are able to discharge ... READ MORE

Reevaluating the Acre-Foot

| It’s interesting to consider the origins of various units of measure. The acre, for example, once defined the area of land that a team of oxen could plow in a day. The Egyptian cubit, used in ancient architecture, represented the length of a man’s forearm, from the elbow to the tip of the middle finger. ... READ MORE

Energy Policies at the Polls

| Renewable energy emerged as a theme in the recent 2018 US midterm elections, with four ballot initiatives addressing power production in western states that could impact the energy sector nationwide. A carbon-fee proposal in Washington State would have created funding for investments in clean energy and pollution programs had it passed. An unsuccessful Colorado initiative proposed ... READ MORE

Climate Change and System Complexity

| Angkor, Cambodia, was one of the world’s foremost cities in the 13th century. The ancient urbanization extended across more than 1,000 kilometers and boasted an elaborate water infrastructure network—a system of reservoirs, embankments, and canals that irrigated farmland, diffused floodwaters, and distributed water among residents. In the 15th century, however, the city collapsed, and its ... READ MORE

Structural Energy Storage

| As an energy efficiency advocate, I get excited when materials multitask. So when a recent study revealed that carbon fibers can function as battery electrodes while bearing a structural load, it piqued my curiosity. What if the hood of a car could double as a battery? What if an aircraft’s fuselage effectively stored energy? The ... READ MORE

A Pivotal Technology

| It’s fascinating to consider inventions that have shaped 20th-century American culture, such as the electric light bulb, the automobile, and the personal computer. Irrigation technology has also shifted our cultural landscape—specifically center pivot irrigation—by nourishing vast fields of circular crops across the American Midwest. Records show that in the early 1900s midwestern farmers began pumping ... READ MORE

The Electrification of Transportation

| What do you get when you put microgrid developers, policy experts, and electrical engineers in a room together? An exhilarating experience. This year’s HOMER International Microgrid Conference brought together energy experts from 17 different countries to exchange case studies, share technical presentations, and to map out the future path of microgrid development. One particularly insightful ... READ MORE

Editor’s Comments: A Digital Orchestra

| Digital pings, percussive thumps, and violin notes emerge as coordinated sounds from a building on Stanford University’s campus. But inside, the Stanford Laptop Orchestra’s tangled cables and video game equipment make it more closely resemble an IT department after a network crash than a conventional music ensemble. ... READ MORE

Renewables and Resilience

| North Carolina receives 4.6% of its electricity from solar farms. The state is second only to California for installed solar capacity. And in the face of weather events, it appears that solar generation may have enhanced its resiliency. When Hurricane Florence made landfall on September 14, the storm’s torrential rains and severe winds wreaked havoc on ... READ MORE

Fatberg to Fuel

| A fatberg is a greasy gelatinous mountain. The pestilent globs can reach 140 tons, lurking in sewer systems from London and Melbourne to Baltimore. And not only are they a nuisance, they’re costly to remove. These colossal clogs develop when fats sent down sewer pipes intermingle and congeal with solids such as wipes, sanitary napkins, ... READ MORE

Puzzling Pipelines

| The word for “puzzle” in Spanish is “rompecabezas”—literally, a head breaker. The term serves as an apt description of Mexico City’s hydrologic tangle, a multi-faceted conundrum that exemplifies the global need to make water systems sustainable. Legend has it that Mexico City was founded in a sacred location. For more than two centuries, the Mexica ... READ MORE

A Golden Sandwich

| Gold is an extraordinary element. Its illuminating luster has, throughout history, been associated with prestige and opulence. Homer, in The Illiad and The Odyssey, referred to gold as the “glory of immortals and a sign of wealth among ordinary people.” Chemically, gold is a transition metal known for its malleability and low reactivity. Recently, scientists ... READ MORE

Singing in the Shower

| Everybody sings in the shower. At least that’s the belief that Susan van Rooyen and Moe Kekana were operating under as they developed a brilliant water-saving campaign in Cape Town, South Africa. And as it turns out, they were right. As drought conditions became grave in late 2017 and the threat of Day Zero approached, ... READ MORE

Editor’s Comments: This is not a Pipe

| IT’S ONE OF the most iconic images of the Surrealist Movement. When in 1929 René Magritte painted a brown and black tobacco pipe above the words, “This is not a pipe,” in French, he dared us to question our perceptions. While the painting is a representation of a pipe, it is not a real pipe. And with the introduction of this intelligent paradox, the artist asks us to reconsider the intricate relationships between what we see and what we think we see and to reevaluate everyday conventions. ... READ MORE

Sophisticated Sand

| “The way we treat stormwater, especially in California, is broken,” explains Joseph Charbonnet, a graduate student in civil and environmental engineering at UC Berkeley. “We think of it as a pollutant, but we should be thinking about it as a solution.”  As water flows through urban areas, over rooftops, lawns, and streets, it can accumulate ... READ MORE

Green Goals for the Golden State

| California has taken steps on the path to clean energy lately. Last week, the state Assembly passed legislation that would set a target to eliminate carbon emissions from California’s energy generation profile. If signed into law by Governor Brown, the bill, S.B. 100, creates a clean energy goal, mandating that 100% of retail energy sales ... READ MORE

Flushed but not Forgotten

| Dental floss, wipes, contact lenses, medications, facial tissues… Each of these items may seem innocuous, but in wastewater treatment facilities, they can be highly destructive. When flushed down toilets and into sewer systems, these products can’t be dissolved by conventional methods. Instead, they clog pumps, tangle around mixers, contaminate waterways, and end up in the ... READ MORE

Stacking Blocks

| The science is simple. Lifting mass against gravity stores energy that can be released when the mass falls. An innovative energy storage system is putting that science to work today with cranes and concrete blocks. The Energy Vault system, developed by entrepreneur Bill Gross and Swiss inventor Andrea Pedretti, can store a total of 20 ... READ MORE

3D Printing a Better Membrane

| About 96% of the Earth’s water can be found in its oceans. As desalination technology becomes increasingly cost-effective and efficient, a growing number of communities around the world are becoming reliant on seawater for survival. In reverse osmosis, the most common desalination process, water is forced through a membrane that selectively filters out contaminants on ... READ MORE

The Birds and the Bees

| As a result of increasing environmental stressors and urbanization, bee populations have declined significantly in recent years. Researchers at the US Department of Energy’s (DOE) Argonne National Laboratory are investigating ways to support pollinator populations by hosting them on solar sites—a solution that also increases land use efficiency. Bees play a valuable role in agricultural ... READ MORE

Groundwater Graphics

| It looks like the earth is breathing. The land beneath Southern California appears to rise and fall in two animated graphics created by geophysicists at Caltech. Researchers recently analyzed satellite radar data in order to better understand the effects of groundwater extraction and replenishment on the land. Their findings reveal just how much the ground ... READ MORE

Editor’s Comments: Vision, Resources, and Timing

| Every once in a while, a new technology, an old problem, and a big idea turn into innovation,” technologist Dean Kamen notably said. It has become clear, throughout centuries of scientific advancements, that successful innovation and technological maturation require the miraculous convergence of vision, resources, and timing. ... READ MORE

Innovations in Elevation

| Seven billion. That’s the estimated number of elevator journeys taken each day. Elevators are an invisible yet integral part of our increasingly vertical urban culture. And yet the efficiency of this building component is often overlooked. Elevators often weigh upwards of 80,000 pounds. Lifting and lowering that amount of mass multiple times every hour requires ... READ MORE

Coastal Concerns

| I’ve written about rising sea levels and the potential effects on infrastructure for a number of years now.  But the gravity of this global issue resonated with particular poignance last week when my town released a landmark report outlining the effects of sea rise on our little seaside community. The report, called the Coastal Vulnerability ... READ MORE

Easing Energy Inequities

| Emissions trading, or cap and trade, is a permit-based approach to controlling pollution that offers companies economic incentives for reducing emissions. The permitting process limits the amount of total allowable emissions while enabling companies to purchase additional permits from those producing fewer emissions. California’s cap and trade program—the fourth largest in the world according to Yale Environment 360—raises billions ... READ MORE

10 Parts Per Million

| For decades, nitrates have boosted the productivity of America’s farmland. However, the crop-plumping substance has also produced negative effects by contributing to algae blooms and endangering humans as a potential carcinogen that accumulates in groundwater sources and soils. The US drinking water standard for nitrate—10 parts per million—was set in 1991. But recent studies offer ... READ MORE

Grid Expectations

| In 1882, when Thomas Edison’s Pearl Street Station came online, the electrons that it generated traveled by wire directly to the consumer. But in the decades since, the grid has changed. The complexity of today’s distribution matrix, coupled with the high costs of producing energy, is forcing utilities to rethink their business models and adapt. ... READ MORE

Caught in a Trade War

| It’s easy to sometimes feel removed from the threat of trade wars when your livelihood isn’t directly dependent upon raw materials. However, the reality is that no industry is protected from the effects. In recent weeks, as discussions between the Trump administration and China have intensified, it has become clear that nearly every industry and ... READ MORE

Floating to the Rescue

| Although towing an iceberg from Antarctica to South Africa to relieve drought-plagued Cape Town sounds far-fetched, or like the plot of a summer blockbuster movie, it’s a solution that experts in South Africa are seriously considering. Marine salvage expert, Nick Sloane, who in 2014 successfully refloated the capsized Italian passenger ship Costa Concordia, has developed ... READ MORE

Editor’s Comments: Global Perspective

| SINCE THE INVENTION of the telescope in 1608, mapping the cosmos has captivated many of our imaginations. Beautifully complex maps from that era document the heavens in elaborate celestial charts. One of the most celebrated is the Atlas Coelestis, a 1660 collection of lavish engravings by Andreas Cellarius that illustrate the planetary orbits, planispheres, lunar phases, and constellations. ... READ MORE

Powering Ports

| Ports are high-traffic, energy-intensive transportation hubs and critical national entry points. In an effort to reduce greenhouse gas emissions and augment energy resiliency, the Port of San Diego is planning to install a solar-powered microgrid—a project that could serve as a landmark for other harbors. The Port of San Diego is one of America’s top ... READ MORE

River Revival

| The Santa Cruz River once flowed year-round in Tucson, AZ, supporting one of the largest mesquite forests in the world.  But urban development and extensive groundwater withdrawals in recent years caused the river’s volume to dwindle. Today, city administrators hope to use recycled effluent to restore the river’s flow to historic levels and revive riparian ... READ MORE

Metal-Organic Frameworks

| Some of today’s greatest energy efficiencies are born at the interface of water and energy conservation. A new filtering material used for desalination has introduced the possibility of efficiency gains by facilitating the removal of sodium from seawater or process brine while simultaneously extracting lithium. Modern desalination plants typically use polymer membranes to convert seawater ... READ MORE

From Vapor to Liquid

| We’re surrounded by water molecules in the air. Even in the driest environments, it swirls around us as airborne vapors. For decades researchers have worked to develop ways to extract and collect water from the air but these concepts have typically required large amounts of energy and have often proven unwieldy. However, two new projects, ... READ MORE

Wind Energy’s Inertia

| Today, wind turbines spin gracefully across the California desert; they tower over Iowa cornfields, and stand watch off coastal waters. Wind power is emerging as an increasingly viable power source. The domestic US market for offshore wind has gained momentum recently due to both declining costs and supportive policies. Current laws in several northeastern states ... READ MORE

Incentivizing Groundwater Management

| How can organizations finance the changes needed to preserve groundwater? In Brazil, where drought has left the countryside parched, farmers are being paid to improve infrastructure and implement groundwater preservation techniques. In Brazil, about 60% of the country’s freshwater is used for crop and livestock production. With the understanding that poor water management by agribusiness ... READ MORE

Destination: Decarbonization

| According to scientific consensus, the future of climate stabilization depends upon the decarbonization of energy systems and the reduction of global greenhouse-gas emissions. The electrification of buildings, power industry researchers explain, is an important step on the path to decarbonization. A European study conducted by the Deep Decarbonization Pathways Project indicates that immediate action is ... READ MORE

Energy’s Evolution

| What does the future hold for microgrids? According to Peter Asmus, Research Director for microgrids at Navigant Research, as inertia carries the market forward in the coming decade, microgrids will present opportunities for new business models and technologies as well as an energy landscape transformed by distributed generation sources. Peter’s research at Navigant focuses on ... READ MORE

Editor’s Comments: Complementary Technologies

| Technological synergies make equipment working in harmony more efficient, cost-effective, and profitable. Today, as the world moves toward increasingly decentralized power systems, an ever-growing number of architectures are combining solar, wind, geothermal energy, CHP, gas-fired generation, and energy storage. These hybridized systems are utilizing the attributes of each power source to effectively boost power capacity ... READ MORE

Storage in the City

| Wooden water tanks were once ubiquitous on the urban skyline—cylinders standing guard like sentries above the rooftops. Today, however, it seems that water containment devices are increasingly tucked away behind walls and integrated into building design. Most contemporary buildings pump water to large reservoirs in the top floors to make use of gravity flow. According ... READ MORE

V2G Solutions

| California has set ambitious goals to reduce greenhouse gas emissions through both the addition of renewable energy generation sources and the electrification of transportation. But these concurrent initiatives have raised questions about how the grid will accommodate the additional resources and coordinate demand. Three policies are in place to advance the state’s clean energy efforts. ... READ MORE

Editor’s Comments: Working Smarter

| DUSTY CHAPARRAL, RED sand, and ocotillo cacti sped by the window for hours as writer Ryan Bradley drove off-road through Arizona’s Sonoran Desert. When he finally pulled over for the night, the sun had slipped over the distant hills, turning the dry landscape a rosy pink. ... READ MORE

Microbial Fuel Cells

| Cellular respiration is one of the fundamental biological processes necessary for life. During this metabolic reaction, cells convert biochemical energy from nutrients into adenosine triphosphate (ATP). The process involves breaking down molecules and freeing electrons. The movement of these electrons affords opportunities for energy production. Microbial fuel cells (MFCs) capitalize on the respiration process by ... READ MORE

Microgrids as a Tool for Transformation

| Karl Rábago is excited about the future of microgrids. Beyond the provision of clean, reliable power, he sees microgrids as a valuable tool for transforming the existing energy system from the inside out. For over 25 years, Karl has immersed himself in energy innovation, regulatory policies, and topics relating to clean energy. As the Executive ... READ MORE

Distributed Energy—Reader Favorites

| Listed below are the top Editor Blogs, Reader Favorite articles, and Business Energy magazine articles for you to enjoy. This list is curated based on reader views, search traffic, e-mail click-through, and most commented articles. Bookmark this page so you will always have quick access to Forester Media's top Business Energy content. ... READ MORE

Omniscient GRACE

| Perspective often grants us the vantage point necessary to observe things with clarity. When Carl Sagan described gazing back at the earth from space in Pale Blue Dot, many of us were, for the first time, able to visualize our home planet from afar and reflect on it in the context of the universe. On May ... READ MORE

Capturing CO2 in Coal Country

| Wyoming is the nation’s top coal-producing state. According to the US Energy Information Administration’s 2016 statistics, it provides 40% of all coal mined in the US. And the state’s Republican governor is on a mission to limit carbon emissions, a plan that makes many in coal country uncomfortable. Governor Matt Mead (R) believes that carbon ... READ MORE

Infrastructure’s Inflection Point

| As evinced by the number of water main breaks, failed water quality tests, and low scores on infrastructure report cards, the network of pumps and pipes that keep America’s lifeblood flowing is in dismal shape. Not only is repairing the aging system necessary in order to address the most critical issues and maintain current levels ... READ MORE

Renewables Required

| Last week, California became the first state to require solar on new homes. After January 1, 2020, the California Energy Commission’s updated standards will require that newly constructed homes include PV systems. The new policy applies to both single-family and multifamily houses that are three stories or less and includes incentives for energy storage. According ... READ MORE

Engineering Efficiency

| As water scarcity becomes an increasingly grave global threat, efficient new ways to treat, reuse, and replenish the available water supply become more important. A recent study has determined that engineered polymer membranes may represent progress toward a solution, since they offer heightened filtration and varied pore selectivity for water treatment applications. Researchers at the ... READ MORE

“Policies Will Be the Game-Changers”

| At this year’s HOMER International Microgrid Conference, industry leaders and policy makers will gather to develop goals, financial models, and policy objectives that help drive the industry forward. Distributed Energy magazine is proud to co-present this enriching event. Jon Wellinghoff, CEO and founder of GridPolicy Inc., is one of the conference’s highly anticipated keynote speakers. ... READ MORE

Editor’s Comments: Incremental Growth

| If you’ve ever looked closely at a seashell, you know the wonder encapsulated within the graceful spiral of its pearlescent form—what Frank Lloyd Wright called “nature’s most perfect architecture.” The shape is at once sculptural and mathematically precise. Many sea creatures take a modular approach to expansion. Because their calcified exoskeletons are never shed, they must enlarge their shells to accommodate growth. Many do so by building self-similar units onto the existing structure in a process called gnomonic growth. ... READ MORE

An Economics Experiment

| Mexico’s aquifers are severely depleted. According to researchers at the University of California at Riverside, 101 of the country’s 188 major aquifers have reached the point of overdraft. In 1994, when the North American Free Trade Agreement (NAFTA) went into effect, the Mexican government was concerned that the nation’s farmers would be at a disadvantage ... READ MORE

Electrifying an Island

| On the morning of April 17, the Puerto Rico Electric Power Authority (PREPA) announced that less than 3% of its customers were without power—a small victory in the wake of Hurricane Maria. It seemed as if the island had entered the final restoration phase following the largest power failure in US history. And then the ... READ MORE

Spotting Scarcity from Space

| While Cape Town, South Africa made headlines last month because of its “Day Zero” plan to ration water for citizens following years of drought, a number of other regions around the globe are silently facing similar scenarios. A new project indicates that reservoirs are shrinking at an alarming rate in Morocco, India, Iraq, and Spain. ... READ MORE

A Breakthrough for Batteries

| Lithium-based batteries have been restricted by the limited availability of cobalt. More than 50% of all cobalt produced globally is used in energy storage devices. A majority of that is mined in the Republic of Congo, oftentimes by children. Lithium-based energy storage technology relies on cobalt because of the metal’s ability to accommodate ions and ... READ MORE

How to Measure a Monster

| Children’s toys, broken electronics, fragments of plastic, and abandoned fishing nets. It sounds like a line from poet Pablo Neruda’s Ode to Things. But instead, it’s an account of the debris swirling between Hawaii and California in the Great Pacific Garbage Patch (GPGP) as observed by oceanographer Laurent Lebreton and a team of scientists. A ... READ MORE

Level I Trauma Center in New York City Chooses MTU Onsite Energy Trigeneration Power System Solution From ROLLS-ROYCE

| Combined cooling, heating and power system expected to generate $1.6 million in annual operational savings Rolls-Royce will deliver two MTU Onsite Energy natural gas-fueled combined cooling, heating and power (CCHP) trigeneration systems to Richmond University Medical Center, a Level I trauma center in Staten Island, New York (USA). The trigeneration project is being managed by ... READ MORE

Shared Storage

| It takes a village to power the globe. We’ve discussed a patchwork quilt approach to energy distribution previously in the context of microgrid clusters and community solar projects. However, community energy storage is another emerging concept that shows great promise for helping grid operators integrate renewables into energy systems and effectively balance loads. Community energy ... READ MORE

Pipe Sleuth

| A clear understanding of water main break rates can be helpful for assessing pipe performance and making key decisions related to water infrastructure asset management. In March, Utah State University’s Buried Structures Laboratory published a new study on pipe break rates. The report, titled, “Water Main Break Rates In the USA and Canada: A Comprehensive Study,” covers valuable ... READ MORE

Managing Multiple Microgrids

| Last week I traveled to Chicago where, as a participant in Siemens’ US Innovation Day, I had an opportunity to explore a number of exciting technology advancements. One of the innovations that I found interesting was the concept of aggregated microgrids managed by a utility. At the event, Siemens announced that it plans to partner ... READ MORE

Editor’s Comments: Inspired by Nature

| As a child, I was intrigued by natural processes. I often leaned in as close as possible to see the pollination of tiny flowers, a lizard shedding its skin, or an insect migration in an effort to observe biology in action. I learned valuable insights about life from those quiet moments of contemplation. ... READ MORE

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