Here are the top stories we’re following today on the GreenBeat:

Most of GE’s recent renewable energy investing has gone towards wind energy projects80 percent of the $6 billion invested went to providing equity and debt for wind projects, Dow Jones Newswires reports.

Nissan plans to sell 500,000 electric cars by 2013, with chief executive Carlos Ghosn saying the only constraint would be how many battery packs factories can produce, the New York Times reports. The company’s first all-electric car was slated to debut in December, but VentureBeat learned that the company is delaying deliveries and will only ship five Leafs this year.

Thin-film solar makers are in a fight for their lives against the more dominant and cheaper crystalline silicon technology employed by most solar panel makers, according to a new report from Lux Research. The report singled out thin-film Oerlikon’s technology (pictured) for boosting efficiency rates of thin-film modules.

Chinese renewable energy companies are racing to offer IPOs on the Hong Kong stock exchance, Dow Jones Newswires reports, the two most recent examples being two Chinese wind operators looking to raise a combined $2.5 billion.

A federal program that offered cash grants for solar projects expires at the end of this year, and chances look slim that it will get renewed during the lame-duck session of Congress that started this week, Reuters reports.

Solar Millenium has received approvals for 1,000 megawatts of solar projects in Nevada and California, Bloomberg reports.

After winning raves from Kleiner Perkins and RockPort Capital, Clarian Power’s plug-and-play solar solution has won the GE Ecoimagination competition.