21.   State power grid operators predicted last month that there was enough power to avoid rolling blackouts this summer.

22.   The Federal Energy Regulatory Commission acted Friday after California power grid managers scrambled almost daily this month to find enough megawatts to prevent rolling blackouts.

23.   The Federal Energy Regulatory Commission acted yesterday after California power grid managers scrambled almost daily this month to find enough megawatts to prevent rolling blackouts.

24.   The utilities must maintain a good credit rating to borrow money to buy power and avoid rolling blackouts in California.

25.   When summer arrives, air conditioners will further strain power supplies, raising the likelihood of rolling blackouts like those in January.