Eligible customers have until 5 p.m. Tuesday to apply for the credit, which ranges from $100 to $200.
The amount will be determined by the number of customers who apply and meet eligibility requirements by being without power after noon on Saturday, Nov. 5.
The $30 million fund is being paid for by shareholders of Northeast Utilities, the parent company of CL&P.
Eligible residential customers can apply on the utility's website or by calling 1-888-566-9257. The credits will begin to be applied to February's billing statements.