In Oklahoma, one family's electricity costs more than doubled in a month. What's happening? According to KSWO, Sandra Bailey, a PSO customer in Lawton, saw her electric bill reach $551 after paying $268 for a 32-day billing cycle from May through June — an increase of $283. Bailey's billing notice said temporary PSO rates took effect July 1. PSO said the typical household would pay about $25 more per month under those rates, but Bailey said her …