AES Hawaii Power Plant
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| AES Hawaii Power Plant | |
|---|---|
| Location | near Kalaeloa, Hawai'i |
| Coordinates | 21°18′12″N 158°06′22″W / 21.30333°N 158.10611°WCoordinates: 21°18′12″N 158°06′22″W / 21.30333°N 158.10611°W |
| Status | Active |
| Commission date | May 1992 |
| Owner(s) | AES Hawaii |
| Power station information | |
| Primary fuel | subbituminous coal, tires |
| Power generation information | |
| Maximum capacity | 203 MWe |
AES Hawaii Power Plant is a medium-size coal-fired electrical power station located in the south-west corner of a Hawaiian island of Oahu. Owned and operated by AES Hawaii, the plant is the only coal-fired power plant in the state of Hawaii.[1] AES Hawaii consists of a single unit on the grounds of Campbell Industrial Park, has a year-around capacity of 180 MWe, and represents about 11% of Oahu's commercial electricity supply.[1][2]
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[edit] Coal supply
AES Hawaii burns approximately 650,000 tons of subbituminous coal each year. The coal is imported from Indonesia via a marine terminal at the Barbers Point Harbor.[3] From there, coal is taken to the plant by a 1.6-mile (2.6 km) long conveyor system.
[edit] Alternate fuel sources
AES operates a relatively clean-burning plant using alternate fuel sources, such as old tires and used motor oil, to help power the plant. The plant also burns carbon from Board of Water Supply filters.[3] In addition, the ash waste product created by AES is used in concrete mixes.[3]
[edit] Environmental protection
AES achieves its smoke-free power and low emissions by introducing limestone early into the coal-combustion process, filtering out harmful sulfur dioxide early on and lessening pollution. Most coal plants use industrial scrubbers to remove harmful pollutants late in the combustion process, which is much less efficient.[3]
[edit] References
- ^ a b "Existing Electric Generating Units in the United States, 2006" (Excel). Energy Information Administration, U.S. Department of Energy. 2006. http://www.eia.doe.gov/cneaf/electricity/page/capacity/capacity.html. Retrieved 2008-07-14.
- ^ "Existing Electric Generating Units in the United States, 2008" (Excel). Energy Information Administration, U.S. Department of Energy. 2008. http://www.eia.doe.gov/cneaf/electricity/page/capacity/capacity.html. Retrieved 2009-11-28.
- ^ a b c d Clynton Namuo (June 18, 2004). "Oahu coal plant generates energy without black smoke". Pacific Business News. http://www.bizjournals.com/pacific/stories/2004/06/21/focus4.html. Retrieved 2009-01-02.
