Distributed energy, also district or decentralized energy is generated or stored by a variety of small, grid-connected devices referred to as distributed energy resources (DER) or distributed energy resource systems. Conventional power stations, such as coal-fired, gas and nuclear powered plants, as well as hydroelectric dams and large-scale solar power stations, are centralized and often require electricity to be transmitted over long distances. By contrast, DER systems are decentralized, modular and more flexible technologies, that are located close to the load they serve, albeit having capacities of only 10 megawatts (MW) or less.
By Don Talend
Given that energy sustainability and energy economics are top-of-mind among business leaders, politicians, and the public these days, hydrogen fuel cells may be viewed as a savior technology. If that statement seems hyperbolic, there is plenty of statistical evidence to support the growth of fuel cell use for both stationary
Siemens City Performance tool will measure technology impacts
The City of Pittsburgh has partnered with Siemens to implement the City Performance Tool, a data-driven software platform that helps cities calculate the environmental and economic impacts of infrastructure technologies. Through the partnership, announced at an event hosted by Harvard Business Review, Siemens,
What will the energy landscape of the future look like? Will there be a shift toward more efficient generation sources? What changes will we see in energy configurations?
The energy industry is currently amidst the most significant transformation that it has ever experienced—a metamorphosis that requires the reevaluation and reconfiguration of
The Digi-RTU modulates the capacity of rooftop units and air/water source heat pumps to match the dynamic nature of building cooling or heating loads. As a result, energy waste is minimized and indoor comfort is improved. Because of its unique operating principles, the Digi-RTU achieves greater savings than any other
For commercial, industrial, and institutional power consumers with a heightened need for affordable, reliable, and resilient power supply, advanced microgrids can provide not only control over power sources and energy costs, but also “green” energy and peace of mind. Microgrids employ a wide range of onsite generation resources, along with
The energy industry is in the midst of a dramatic transformation as it reevaluates and reconfigures the way that it generates, stores, and distributes electricity. Energy demand worldwide increases by 2% each year as our global culture becomes more energy-dependent. Meanwhile, mounting concern over CO2 emissions, fossil fuel usage, and
However they are defined, everyone agrees community microgrids provide benefits. Centralized utility systems and aboveground distribution lines expose customers to regional and local outages, “and while they are highly reliable, centralized utility grids can’t ensure local resilience,” notes Peter Douglass, project manager for the Microgrid Institute, a collaborative organization supporting global development of microgrids and distributed energy
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