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Electricity generation is the process of generating electric power from sources of primary energy.For utilities in the electric power industry, it is the stage prior to its delivery (transmission, distribution, etc.) to end users or its storage, using for example, the pumped-storage method.
The levelized cost of electricity (LCOE) is a metric that attempts to compare the costs of different methods of electricity generation consistently. Though LCOE is often presented as the minimum constant price at which electricity must be sold to break even over the lifetime of the project, such a cost analysis requires assumptions about the value of various non-financial costs (environmental ...
Efficient energy use; Energy audit; Energy efficiency implementation; Energy recovery; Energy recycling; Energy saving lamp; Energy Star; Energy storage; Environmental planning; Environmental technology; Fossil fuel phase-out; Glass in green buildings; Green building and wood; Green building; Heat pump; List of low-energy building techniques ...
A more efficient solution is to maintain the primary circuit at full power and to use the excess power for cogeneration. [9] While most nuclear power plants in operation as of early 2000's were already designed with strong load following capabilities, they might have not been used as such for purely economic reasons: nuclear power generation is ...
Existing direct-fired plants can utilize this advanced cycle concept by adding a GT and a HRSG. This so-called repowering scheme makes the existing power generation facility equally efficient as modern combined cycle power plant. Siemens Corporation developed two ways in powering these old coal plants.
Blue devices can convert 13.3% of light absorbed into power, making it the most efficient across all colored devices developed and tested. Perovskite solar cell technology can be tuned to red, green and blue by changing the metallic nanowire thickness to 8, 20 and 45 nm respectively. [ 19 ]
Those building high-performance buildings, or renovating an existing building for improved energy and climate performance, often seek to reduce greenhouse gas emissions by using a low carbon energy system such an electric heat pump instead of a natural gas furnace or hot water heater. In the United States, a growing movement is seeking to ...
A Zero-Energy Building (ZEB), also known as a Net Zero-Energy (NZE) building, is a building with net zero energy consumption, meaning the total amount of energy used by the building on an annual basis is equal to the amount of renewable energy created on the site [1] [2] or in other definitions by renewable energy sources offsite, using technology such as heat pumps, high efficiency windows ...