The Prairie Village City Council on Monday approved an agreement with Kansas City Power & Light that potentially could result in a significant portion of the city government’s electric needs coming from wind energy.

The agreement pledges that the city will buy power from an as-yet unbuilt wind farm in the region for 20 years. It still hinges on whether KCP&L can persuade enough local governments and other large electric customers in northeast Johnson County to follow Prairie Village’s lead.

Drew Robinson, the company’s manager of renewable energy, told the council he needs at least 100 megawatts of dedicated monthly peak demand to make building a new wind farm financially sustainable. Prairie Village has an average monthly peak demand of around 400 kilowatts.

(Read more: KC Star Local News)