Energy is stored by compressing air in an airtight underground storage cavern.To extract the stored energy, compressed air is drawn from the storage vessel, heated, and then expanded through a high-pressure turbine that captures some of the energy in the compressed air.The air is then mixed with fuel and combusted, with the exhaust expanded through a low-pressure gas turbine.The turbines are connected to an electrical generator. [pdf]
The Guinean government has announced a long-term energy strategy focusing on renewable sources of electricity including solar and hydroelectric as a way to promote environmentally friendly development, r. [pdf]
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