City Council will discuss buying 100 percent green energy for the city’s electricity at its next business meeting in two weeks.

Puget Sound Energy’s Green Power Program relies more on wind, bio-gas and solar-energy sources instead of coal.

About 13 percent of the city’s electricity is from green energy, costing about $3,000 a year. The city spends a total of $330,000 a year on electricity, and going to all green power would cost the city an additional $15,000 a year.

The council decided to buy 13 percent green power from PSE last year, matching the percent of residents that use green power.

Two other Washington cities buy 100 percent green energy, said Heather Mulligan, PSE market manager. Those cities are Lacey and Bellingham.