Solar stocks were mostly lower in Friday afternoon trading a day after SunPower ( SPWRA) posted a first-quarter loss.

SunPower was trading down 0.9% to $25.69.

The industry could get a boost from legislation in Texas when the Texas State Senate passed a bill to invest $500 million in solar energy through rebates for installations ranging from solar rooftop panels to large-scale projects in West Texas. The bill now moves to the Texas House.

"We took baby steps to start with to jump start the industry," said Sen.Troy Fraser, the bill's author, The Houston Chronicle's Web site reported. Funding for the rebates would come through fees on electric bills.

Elsewhere, shares of First Solar ( FSLR) were up 2.1% to $146.49. The Tempe, Ariz., company, in an SEC filing, said that CEO Michael Ahearn received $2.31 million in stock awards in 2008, raising his pay to $3.34 million from $1.8 million in 2007.

Energy Conversion Devices ( ENER) was up 0.6% to $16.38.

LDK Solar ( LDK) was down 1.7% to $7.32.

Solarfun ( SOLF) was down 1.2% to $4.05.

Trina Solar ( TSL) was down 1.5% to $12.80.

Canadian Solar ( CSIQ) was lower by 2.6% to $5.71.

Green Plains Renewable Energy ( GPRE) was off 1% to $1.98.

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