Mayor unveils ambitious solar plan

An additional 380 megawatts would be achieved through smaller programs, including one that would help low-income residents add solar panels to their homes and another that would allow DWP customers to purchase shares of city-owned solar plants.

Voters will decide on another part of the mayor's solar plan on March 3, at the same time that Villaraigosa seeks a second and final four-year term. That ballot measure would allow the DWP to install and own 400 megawatts of rooftop solar panels by 2014. Villaraigosa and the council have been criticized in recent weeks over that proposal, which was conceived by an organization with strong ties to the union that represents DWP employees.

Business leaders contend that the ballot measure was written by and for DWP employee unions and would lock out companies that specialize in rooftop solar panels.

Gary Toebben, president and chief executive of the Los Angeles Area Chamber of Commerce, said he is encouraged to see the mayor place a greater emphasis on private-sector solar initiatives. But he said there are unanswered questions about the solar ballot measure's effect on electrical rates.

"We still have a concern that the cost of the ballot initiative has not been laid out," he said.

Villaraigosa said the solar plan could lead to higher rates as soon as 2011. But City Council President Eric Garcetti noted that coal, one of the DWP's cheapest -- and most polluting -- energy sources, will also become more expensive as Congress moves to impose a carbon tax.

"Coal is not going to be the same price that it is today," he said.

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david.zahniser@latimes.com

phil.willon@latimes.com