Warren Buffett’s MidAmerican buys massive Topaz solar farm

Warren Buffet’s power company, MidAmerican Energy Holdings, is jumping into solar power and plans to buy up a massive solar farm from First Solar. The planned 550 MW solar panel farm called Topaz is in San Luis Obispo County in central California.

First Solar CEO is out, stock tanks

It’s been a rocky couple of months for solar companies, but First Solar just hit an unexpected hurdle. The thin-film solar darling announced that Rob Gillette will no longer serve as its CEO, and Chairman and Founder Mike Ahearn will step in as interim CEO.

Solar startup Solexant raises more funds, deserts Oregon loan

So-called “third-generation” ultra-thin film solar company Solexant has amassed another $23.47 million in equity from investors, according to a filing, and at the same time has reportedly abandoned a $25 million loan from the state of Oregon.

Greentech stocks rebound, but only partially

After the great market sell-off yesterday, stocks are rebounding slightly on Tuesday, including many of the greentech stocks that took a beating yesterday. But most of them are only up slightly. Here’s the latest:

Greentech stocks crash in market sell-off, too

Tech stocks took a beating on Monday morning, the first day of trading after Standard & Poor downgraded the credit ratings of credit agencies. At the same time, greentech stocks — from solar to biofuels to smart grid — fell alongside the weak macro economic news.

DOE offers $359M loan guarantee to Sempra for solar farm

Sempra Generation will join the pantheon of solar power plant developers who’ve gotten government aid. The U.S. Department of Energy on Wednesday announced an offer for a $359.1 million loan guarantee to Sempra to build a 150 MW project in Arizona.