The San Diego Unified School District has suspended its solar energy efforts because power bills soared after the green initiative. The district says it's paying up to $20,000 a year more on electricity after installing solar energy systems at 28 schools. Plans for solar installations at 22 other schools have now been put on hold. School district energy management coordinator J. William Naish says spiking energy bills are the result of how San Diego Gas & Electric calculates charges to large power users. Naish says it's almost like the district is being penalized for going solar. The formula used to calculate electricity rates in California is expected to change in the next few months.

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