It will allow an estimated 150,000 Fresno County households an 18 percent discount on their electric rate.
One and two-person households are now eligible for the discount. Previously, only those with three or more people were eligible.
Acceptance is based on income and household size, for example, a home of one to two people making up to $52,000 a year could qualify for assistance.
Recent data shows that nearly 29,000 houses in Fresno County may qualify under the new guidelines.