absolute value alternating current availability factor base load power plant bioenergy black start capacitance capacity factor carbon offset charles proteus steinmetz cogeneration combined cycle cooling tower demand response distributed generation eroei ecotax electric current electric power transmission electricity distribution electricity generation electricity meter electricity pylon energy demand management energy subsidies feed-in tariff fossil fuel power plant geothermal power grid energy storage hydroelectricity imaginary unit inductance induction generator intermittent power source load control load following power plant mains electricity micro combined heat and power microgeneration modulus natural gas negawatt power net metering non-renewable energy nuclear power ocean energy peak demand petroleum pigovian tax polyphase power factor pumped-storage hydroelectricity rankine cycle renewable energy certificates renewable energy renewable energy payments renewable energy policy root mean square sine wave smart grid solar energy spark spread super grid transmission system operator virtual power plant volt-amperes reactive voltage watt wind power