MidAmerican's solar energy deals now include ownership of SunPower's 579-megawatt Antelope Valley Solar project worth a reported $2.5 billion, First Solar's $2 billion 550-megawatt Topaz plant and a 49% stake in another plant built by the company called Agua Caliente, which is projected to generate 290-megawatts of solar energy.
In total, MidAmerican says its plants will create hundreds, if not thousands of green energy jobs, while pumping roughly a billion dollars total into local economies. The plants will also replace millions in carbon dioxide emissions annually, in aggregate.
Meanwhile, the company is also the largest wind power producer in the U.S. and it's recently taken stakes in large
(GE - Get Report)
built wind farms. MidAmerican also has geothermal and hydroelectric businesses, and by way of it's green energy portfolio, has power purchase agreements with some top utilities including
Southern California Edison
All told, by 2015, MidAmerican will be a leading green energy player in the U.S. - to go with larger conventional energy businesses in natural gas and coal.
However, as U.S solar manufacturers complete controversial DoE financed plants in some political circles, their survival will depend on a next round of investment, this time likely without billions in government loans.
Berkshire's MidAmerican Energy and similar solar moves made by Exelon and others may be the investments that prove whether or not the green energy sector makes financial sense. Meanwhile, outside of California, most states are yet to map out renewable energy generation goals, as climate change recedes from President Obama and Congress's agenda.
Out in public markets, MidAmerican Energy could be the sort of capitalist spokesperson for the renewable energy industry, which still suffers from the cloud of
and the politically charged stimulus program, in addition to the disappointing stock performance of First Solar and SunPower.
An analogy would be Elon Musk's
, which appears to be making an investor case for the mass-market electric car. Musk also recently IPO'ed a solar investment called
, which makes rooftop solar systems that can power small businesses and individual households. One day he may also be responsible for the first space shuttle stock.
Still, as with the banking industry in 2008, green energy needs a spokesperson - and there appears to be no one more vocal or better positioned than Warren Buffett.
With the financial crisis largely resolved and a partisan debate on the taxation of the rich also in the rear-view mirror, Buffett may also be on the lookout for a new cause.
For more on Warren Buffett's investments, see why he may direct his
elephant M&A guns
at utilities. Also see four investors who could pick up the 'Oracle of Omaha's
-- Written by Antoine Gara in New York