The ERC increased the maximum retail price of petrol in the capital, Nairobi, by 2.3 percent to 86.17 shillings ($0.8527) per litre, saying the costs of importing refined petroleum products had gone up.
It also increased the retail prices of kerosene and diesel.
Costs of energy and transport have a significant weighting in the basket of goods and services used to measure inflation in the East African country.