The first two of them produce both electricity and hot-water for heating purposes, whereas the third only produces electricity.
1) The Svartsengi Power-Plant, situated in the south west of the country, near the International Airport at Keflavik. It currently produces 39 MW of electricity, and about 315 litres/second of almost boiling water (90°Centigrade)
Svartsengi Link: " class="external">http://www.hs.is/english/company/birth.asp 2) The Nesjavellir Power-Plant, situated in the south of the country, near the Lake Thingvallavatn. It currently produces 90 MW of electricity, and about 500 -800 litres/second of heating water.
Nesjavellir Link: " class="external">http://www.or.is/index_en.html 3) The Krafla Power-Plant, situated in the north-east corner of Iceland. It produces 60 MW of electricity, with an expansion to 90 MW on the drawing boards.
Krafla Link: http://www.lv.is/EN/category.asp?catID=277