HARTFORD — Connecticut’s two large utilities have fixed about 95 percent of the outages caused by Hurricane Sandy, meeting their targets in an effort that was closely watched following prolonged and extensive outages last year.

But ratepayers who are still waiting to find out how much they will have to pay for the recovery from Tropical Storm Irene in August 2011 and a freak snowstorm two months later will be stuck with the bill for the third storm once the damage is added up.