Energy storage - Wikipedia, the free encyclopedia
Renewable energy storage
Many renewable energy energy sources (most notably solar and wind) produce intermittent power.[2] Wherever intermittent power sources reach high levels of grid penetration, energy storage becomes one option to provide reliable energy supplies. Other options include recourse to peaking power plants, methane storage (excess renewable electricity to hydrogen via electrolysis, combine with CO2 (low to neutral CO2 system) to produce methane (synthetic natural gas sabatier process) with stockage in the natural gas network) [25] [26] and smart grids[27] with advanced energy demand management. The latter involves bringing "prices to devices",[27] i.e. making electrical equipment and appliances able to adjust their operation to seek the lowest spot price of electricity. On a grid with a high penetration of renewables, low spot prices would correspond to times of high availability of wind and/or sunshine.
Renewable energy storage
Many renewable energy energy sources (most notably solar and wind) produce intermittent power.[2] Wherever intermittent power sources reach high levels of grid penetration, energy storage becomes one option to provide reliable energy supplies. Other options include recourse to peaking power plants, methane storage (excess renewable electricity to hydrogen via electrolysis, combine with CO2 (low to neutral CO2 system) to produce methane (synthetic natural gas sabatier process) with stockage in the natural gas network) [25] [26] and smart grids[27] with advanced energy demand management. The latter involves bringing "prices to devices",[27] i.e. making electrical equipment and appliances able to adjust their operation to seek the lowest spot price of electricity. On a grid with a high penetration of renewables, low spot prices would correspond to times of high availability of wind and/or sunshine.
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