Hawaii

The energy sector in Hawaii has rapidly adopted solar power due to the high costs of electricity, and good solar resources, and has one of the highest per capita rates of solar power in the United States. Hawaii's imported energy costs, mostly for imported petroleum and coal, are three to four times higher than the mainland, so Hawaii has motivation to become one of the highest users of solar energy. Hawaii was the first state in the United States to reach grid parity for photovoltaics. Its tropical location provides abundant ambient energy.

Much of Hawaii's solar capacity is distributed solar panels on individual homes and businesses. Hawaii's grid has had to deal with this unique situation by developing new technology for balancing the energy flows in areas with large amounts of solar power. In 2023, distributed solar produced 1,408 GWh while utility-scale solar produced 643 GWh. Hawaii had 1,808 MW of installed solar capacity in 2023. The largest utility-scale solar farm in Hawaii is the 60 MW Kuihelani Solar on Maui, which opened in 2024, and includes 240 MWhr of battery storage As of 2024, solar power produced 19.5% of Hawaii's electricity.

Wind power in Hawaii is produced by the state's 132 commercial wind turbines, totaling 236 MW in capacity. In 2015, wind turbines produced 6.4% of Hawaii's electricity. In 2012, Hawaii generated 367 million kWh from wind power.

The majority of environmental issues affecting Hawaii today are related to pressures from increasing human and animal population, as well as urban expansion both directly on the islands and from overseas. These issues include the unsustainable impacts of tourism, urbanization, climate change implications such as sea level rise, pollution (especially marine plastic pollution), and invasive species.

Hawaii ( hə-WY-ee; Hawaiian: Hawaiʻi [hə.ˈvɐj.ʔi, hə.ˈwɐj.ʔi]) is an island state of the United States, in the Pacific Ocean about 2,000 miles (3,200 km) southwest of the U.S. mainland. One of the two non-contiguous U.S. states (along with Alaska), it is the only state not on the North American mainland, the only state that is an archipelago, the only state in the tropics, and one of the two U.S. states, along with Texas, that were internationally recognized sovereign countries before becoming U.S. states.

Hawaii consists of 137 volcanic islands that make up almost the entire Hawaiian archipelago (the exception is Midway Atoll). Spanning 1,500 miles (2,400 km), the state is physiographically and ethnologically part of the Polynesian subregion of Oceania. Hawaii's ocean coastline is consequently the fourth-longest in the U.S., at about 750 miles (1,210 km). The eight main islands, from northwest to southeast, are Niʻihau, Kauaʻi, Oʻahu, Molokaʻi, Lānaʻi, Kahoʻolawe, Maui, and Hawaiʻi, after which the state is named; the last is often called the "Big Island" or "Hawaiʻi Island" to avoid confusion with the state or archipelago. The uninhabited Northwestern Hawaiian Islands make up most of the Papahānaumokuākea Marine National Monument, the largest protected area in the U.S. and the fourth-largest in the world.

Of the 50 U.S. states, Hawaii is the eight-smallest in land area and the 11th-least populous; but with 1.4 million residents, it ranks 13th in population density. Two-thirds of Hawaii residents live on Oʻahu, home to the state's capital and largest city, Honolulu. Hawaii is one of the most demographically diverse U.S. states, owing to its location in the central Pacific and over two centuries of migration. As one of nine majority-minority states, it has the only Asian American plurality, the largest Buddhist community, and largest proportion of multiracial people in the U.S. Consequently, Hawaii is a unique melting pot of North American and East Asian cultures, in addition to its indigenous Hawaiian heritage.