It’s generally a good sign when Warren Buffett starts investing in your company/industry/country. Known as the “Wizard of Omaha” due to his ability to send little girls back to Kansas, Buffett is the second most famous representative of investment powerhouse Berkshire Hathaway. (His heavily taxed secretary is the most famous.) And when Berkshire Hathaway makes an investment, markets move.

The investment, via SmartPlanet:

[Berkshire Hathaway subisidary] MidAmerican Renewables kicked off 2013 with another major purchase. The company announced this week it has acquired SunPower’s Antelope Valley Solar Projects, two co-located projects in Kern and Los Angeles counties in California.

MidAmerican didn’t disclose the purchase price. However, analysts have pinned the purchase price somewhere between $2 billion and $2.5 billion.