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Energy efficiency
Industry: Energy
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Energy efficiency
Green certificates
Energy; Energy efficiency
Green certificates represent the environmental attributes of power produced from renewable resources. By separating the environmental attributes from the power, clean power generators are able to ...
Useful heat
Energy; Energy efficiency
Heat stored above room temperature (in a solar heating system).
Balance-of-system
Energy; Energy efficiency
In a renewable energy system, refers to all components other than the mechanism used to harvest the resource (such as photovoltaic panels or a wind turbine). Balance-of-system costs can include ...
Fossil fuels
Energy; Energy efficiency
Fuels formed in the ground from the remains of dead plants and animals. It takes millions of years to form fossil fuels. Oil, natural gas, and coal are fossil fuels.
Nonrenewable fuels
Energy; Energy efficiency
Fuels that cannot be easily made or "renewed," such as oil, natural gas, and coal.
Oxygenates
Energy; Energy efficiency
Gasoline fuel additives such as ethanol, ETBE, or MTBE that add extra oxygen to gasoline to reduce carbon monoxide pollution produced by vehicles.
On-site generation
Energy; Energy efficiency
Generation of energy at the location where all or most of it will be used.
