Southern California Edison has signed contracts with solar and geothermal energy producers representing more than 1,500 megawatts of power.

The contracts include the purchase of more than 1,300 megawatts of new solar power from providers in California and Nevada and the re-contracting of 225 megawatts with a geothermal energy project in Northern California. A megawatt can power about 300 households.

The agreements are designed to help SCE, a unit of Edison International in Rosemead, meet the state requirement that 33 percent of its energy portfolio will come from renewable resources – including wind, solar and geothermal – by 2020. At the end of 2013, 22 percent of the power SCE delivered to its customers came from renewable resources.

“These agreements will help us maintain diversity in our renewable energy portfolio,” said Stuart Hemphill, SCE senior vice president for power supply and operational services.

The contracts require approval from the California Public Utilities Commission. Assuming the approval is granted, the power from the geothermal project is expected to come online in 2017. The power from solar contracts is expected to come on line in 2019 and 2020.

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