Rhode Island is part of the New England regional power grid and imports most of its electric power. The state's installed capacity (utility and nonutility) was 981,000 kW in 1999, and power production totaled 6.4 billion kWh; both figures were the lowest in the US. Electric utility sales in Rhode Island in 1998 were 6.6 billion kWh, of which 2.4 billion kWh went for residential users,2.6 billion kWh for commercial purchasers, and nearly all the rest for industry. In 2000 Rhode Island's total per capita energy consumption was 239 million Btu (60.2 million kcal), ranking it 49th among the 50 states.