Flexing its billion-dollar muscles once again in the renewable energy space, MidAmerican Energy Holdings Company (famously backed by Warren Buffett's Berkshire Hathaway Inc.) is buying two co-located solar projects in California from SunPower, billed as the world's largest permitted solar PV power development. The deal for Antelope Valley Solar Projects (AVSP), totaling approximately 579 megawatts (AC) combined generation capacity, is for an unspecified amount between $2-$2.5 billion.

A snapshot of MidAmerican Renewables' project portfolio: Solar: 1.271 GW - AVSP 1 & 2; the 550-MW Topaz project in San Luis Obispo County, CA; and a 49% stake in the 290-MW Agua Caliente project in Yuma County, AZ Hydro: 5 MW - A 50% ownership in the 10-MW "Wailuku" project on the eastern coast of the island of Hawaii Wind: 381 MW - Recent acquisitions of the 168-MW Alta Wind VII and 132-MW Alta Wind IX projects in Kern County, CA; and the 81-MW Bishop Hill II project in Henry County, IL Geothermal: 174 MW - Projects primarily in the Salton Sea area of Southern California's Imperial Valley