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'''Mt. Poso Cogeneration Plant''' is a biomass power station in California. As of 2012, the plant is co-owned by MacPherson Oil Company (in nearby Bakersfield, CA) and [[DTE Energy]] (a Detroit, Michigan-based utility).<ref name="MacPherson">MacPherson Oil Company, [http://macphersonenergy.com/mt-poso-conversion.html MT. POSO COGENERATION PLANT GOES GREEN], corporate website, accessed July 2012</ref>In 2009, the plant was owned and operated by Northern Star Generation LLC, National Petroleum Associates, and Red Hawk Energy, with each partner owning one-third.<ref>[http://www.pge.com/nots/rates/tariffs/tm2/pdf/ELEC_3489-E.pdf "Request for Extension and Modification of Mt. Poso Cogeneration Company"] PG&E letter to CA Public Utilities Commission, August 7, 2009.</ref> The plant provides power to nearby oil recovery fields, formerly using a blend of coal, [[coke]], and waste tires.