Solar Roundup: As Shares Climb, Will Expansion Plans Pan Out?

As solar shares outpace the Dow and the Nasdaq, Oregon considers the first U.S. state feed-in tariff modeled on the German system, Energosolar ships an amorphous-silicon manufacturing line and Wacker reveals plans for an additional 10,000 tons of silicon capacity.

Solar shares lifted alongside the Dow Jones Industrial Average and other indices Monday.

By midday, the Dow had gained 2.4 percent to 9068.62 points, while the Standard & Poor's 500 index rose 2.7 percent to 966.18 points, and the Nasdaq rose 1.3 percent to 1,733.48 points. Crude oil futures also grew 3.3 percent to $74.25 per barrel on the New York Mercantile Exchange.

A number of solar stocks grew more than the average suggested by those indices, with SunPower Corp. (NSDQ: SPWRA) rising 15 percent to $54 per share, First Solar (NSDQ: FSLR) gaining 7 percent to $144.62 per share and Suntech Power Holdings Co. Ltd. (NYSE: STP) increasing 4.5 percent to $22.72 per share.

And solar companies beamed out a series of announcements as shares climbed. Here are a few that caught our eye: