Venture capitalists spent the first quarter of the year dousing the clean-tech industry with attention, giving more money to fewer companies and hiking investment 54 percent.
Green companies raised $1.1 billion in the first three months of 2011 compared to $743.3 million in the same period last year, according to Ernst & Young and data from DowJones Venture Source. The number of deals fell to 69 from 79.
Santa Clara, Calif.-based MiaSole, which makes thin-film photovoltaic solar panels, raised $106 million in one deal in February and is considering going public.
In the lead since at least 2005, California had by far the most deals - 30, compared to seven in Massachusetts. The state's clean-tech companies attracted $637 million in investment in this year's first quarter, nearly 42 percent higher year over year.
Northern California's 24 deals pulled in $505 million compared to 32 deals drawing $332 million over the same period last year. Six deals total in Southern California ended up with $132 million - $84 million from the Los Angeles metro area, $48 million from San Diego and a sliver from Orange County.
The energy-generation sector was the major player over the quarter, reeling in $450 million compared to $158 million year over year. Solar power companies alone hooked $363 million compared to last year's $139 million pot.
Energy storage also was hot - venture capitalists put in $262 million, a whopping 670 percent increase from the $34 million raised during the first quarter of 2010. Both the battery and fuel-cell segments saw similar booms.
The $50 million poured into natural gas companies in the first quarter exceeded the $40 million invested over all of 2010.
Explore further: Testing heats up at Sandia's Solar Tower with high temperature falling particle receiver