Minnesota produced 48.6 billion kWh of electricity (utility and nonutility) in 1999, when total installed capacity reached 10.2 million kW. Conventional thermal plants accounted for about 75% of total installed capacity; most plants were coal-fired. There are three nuclear reactors (one at Monticello, two at the Prairie Island facility), all owned by the Northern States Power Co. In 2000 Minnesota's total per capita energy consumption was 343 million Btu (86.4 million kcal), ranking it 25th among the 50 states.
Minnesota's 7 million acres (2.8 million hectares) of peat lands, the state's only known fossil fuel resource, constitute nearly half of the US total (excluding Alaska). If burned directly, the accessible fuel-quality peat deposit could substantially supplement Minnesota's energy needs.