Electricity and natural gas prices are roughly 11% higher than a year ago, according to the Labor Department's consumer price index. Residential heating oil prices are up about 40% from a year ago, according to the Energy Information Administration. The extent of the increase has moderated in recent months as wholesale heating oil prices are roughly where they were at the start of October.
The aid is meant to help cushion the shock of higher winter energy costs. But Republican lawmakers have said the overall relief package, which was signed into law by the Democratic president in March, has caused higher levels of inflation by pumping too much money into the economy.
Associated Press writer Josh Boak contributed to this report.