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Electra serves all islands of Cape Verde except Boa Vista, where electricity and water are produced and distributed by the public-private company Águas e Energia de Boavista. Other smaller electricity producers are Cabeólica, which operates four wind parks, Águas de Ponta Preta on the island of Sal, and Electric Wind on Santo Antão.
Cape Verde is a net importer of energy, with no significant fossil energy resources. As of 2016, 176,743 tonnes of fuel (about 3,550 barrels per day) were sold on the internal market. Electricity production was 443 GWh in 2016, of which 81% from thermal power, 17% from wind power and 1.4% from solar power.
ELECTRA is a company owned by the Cape Verdean Government (85%) and Cape Verde Municipalities (15). The largest power station is located in the country’s capital (City of Praia) with an installed capacity of 31 MW, followed by the Electra Power Station in Mindelo (18.3 MW) and Sal (9 MW).
The largest power station in Cape Verde is located in the City of Praia with an installed capacity of 31 MW.
A flywheel-storage power system uses a flywheel for grid energy storage, (see Flywheel energy storage) and can be a comparatively small storage facility with a peak power of up to 20 MW. It typically is used to stabilize to some degree power grids, to help them stay on the grid frequency, and to serve as a short-term compensation storage.
A grid-scale flywheel energy storage system is able to respond to grid operator control signal in seconds and able to absorb the power fluctuation for as long as 15 minutes. Flywheel storage has proven to be useful in trams.
In 2010, Beacon Power began testing of their Smart Energy 25 (Gen 4) flywheel energy storage system at a wind farm in Tehachapi, California. The system was part of a wind power and flywheel demonstration project being carried out for the California Energy Commission.
China has the largest grid-scale flywheel energy storage plant in the world with 30 MW capacity. The system was connected to the grid in 2024 and it was the first such system in China. In the United States, Beacon Power operates two 20 MW grid-scale flywheel energy storage plants in Stephentown, New York and Hazle Township, Pennsylvania.