Energy Storage System (ESS) As defined by 2020 NEC 706.2, an ESS is “one or more components assembled together capable of storing energy and providing electrical energy into the premises wiring system or an electric power production and distribution network.” These systems can be mechanical or chemical in nature.
Unit of measurement for energy, equivalent to 1,000 GWh, i.e. a billion kWh. The ratio of Gross Margin (proceeds from energy production and other proceeds from non-core activities net of variable costs) and consolidated net production. International System unit of measure of power.
It comes primarily from industrial and urban waste, from energy crops, and from biological products, waste and residues generated by farming, forestry or related industries. It's generally considered a renewable energy source since, unlike fossil fuels, the sources from which it is obtained are produced continuously.