02 Jan '12, 3pm

MONTANA'S RENEWABLE ENERGY STORAGE.

“Both projects are closed loop pumped-storage hydroelectric projects that utilize the natural topography of landscapes near existing transmission lines to create pumped hydroelectric storage systems. These storage facilities will firm variable electric generation from renewable energy resources. Each project will consist of two lined reservoirs, a buried pipeline with reversible turbines, and connector transmission lines in order to use low-cost energy during off-peak hours to pump water from the reservoir lower in elevation to a reservoir at a higher elevation. During peak hours, when the price of electricity is higher, water is then released from the upper reservoir and pushed through turbines to generate power to be sold on the grid. Coffin Butte is a 250 MW capacity project while Gordon Butte is a 400 MW project. Environmental and engineering studies have been conducte...

Full article: http://www.green-energy-news.com/arch/nrgs2012/20120001.html

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