Solar grids were constructed on the three atolls, with the last completed earlier this week.
Thirty-two are atolls (ring-shaped islands with a central lagoon) while Banaba is a raised coral island.
Some of the atolls and islands are anything from sea level to a maximum of 4ft above water.
BBC: NEWS | UK | Politics | MP witnesses Maldives destruction
The South Pacific territory - comprising the three atolls of Atafu, Nukunonu and Fakaofo - had been dependent on diesel to generate electricity.
To the east lie the Tuamotu Islands, 78 low coral atolls, where locals rely mainly on copra (dried coconut) and black pearls for income.
The three atolls constitute a New Zealand territory, which depends almost exclusively on New Zealand's budget for its finances, with little indigenous wealth creation.
Henderson Island, which lies in the eastern South Pacific, is one of the few atolls in the world whose ecology has been practically untouched by a human presence.
Only a handful of vessels are docked in the secluded waters that surround Urapukapuka, one of 150 tiny atolls that give the Bay of Islands its name.
So far, the team has found that the Japan tsunami debris has recently not advanced toward Midway, but instead has been flowing eastward well to the north of the atolls.
And I said to this group, draw a line around the territorial jurisdiction of the United States because it was clear that all of these atolls were really about coral reefs.
The vast area of waters, dotted with partially submerged atolls and reefs, contain some of the world's busiest shipping lanes and are thought to hold large deposits of oil and natural gas.
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Not so much in Tokelau, where its three atolls of Atafu, Fakaofo and Nukunonu may not be long for this world, due to rising sea levels as a result of climate change.
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They are still canvassing outer islands and atolls.
BBC: NEWS | UK | Politics | MP witnesses Maldives destruction
For the Maldives, a group of coral atolls in the Indian Ocean, linked by small boats and the world's second-largest fleet of Twin-Otter seaplanes, competition looks a rather different issue than it might do in New Jersey.
On an unseasonably chilly night in Manhattan a gaggle of businessmen, anglers and fishing guides gathered together for an auction and dinner in the name of saving bonefish, tarpon and permit, three species that haunt the flats and beguile anglers from Florida to the Bahamas to various far-flung Pacific atolls.
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