Not world's first (see below), but anyway.....

http://www.mosnews.com/news/2005/05/26/floatingpowerplant.shtml

Created: 26.05.2005

Russia will build the world’s first floating nuclear power plant, Russia’s Atomic Energy Agency (RosAtom) has announced.

A low-power plant with an electrical capacity of 70 MWt and heat capacity of 140 Gigacalories may be constructed in the Russian northwestern town of Severodvinsk within five years, a spokesman for RosAtom told Itar-Tass on Thursday. The project’s estimated cost is $180 million, and $30 million has already been spent on the planning stage.

Calculations made by RosAtom experts suggest the floating power plant will pay for itself in eight years. The agency lacks funds, however, and is going to ask the government for help in obtaining loans in commercial banks or offer from other countries to join the project. China, Indonesia and a number of Middle Eastern and Mediterranean countries have reportedly voiced interest in the project, but they want the plant to be built first to show potential investors that it does not pose a threat to the environment.

RosAtom head Alexander Rumyantsev said earlier that floating power plants are absolutely safe. The reactors "will be the same as those that are used by our submarines and nuclear ice-breakers," he said, stressing that after the Kursk submarine that sank in August 2000 was lifted from the bottom of the Barents Sea, its reactors were still in an operational condition.

However, many critics say the main objective of nuclear plants all over the world is enrichment for building nuclear weapons, and after RosAtom first announced the building of the floating plant in the early 2000s, foreign media immediately called it a "floating Chernobyl".

The Russian side says that the plant will be able to provide a town of 50,000 people with heating and electrical energy or be used to desalinate sea-water.

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http://www.chemistrydaily.com/chemistry/Army_Nuclear_Power_Program

The US Army Nuclear Power Program (ANPP) was a program to develop small PWR and BWR nuclear power reactors (http://www.chemistrydaily.com/chemistry/Nuclear_reactor ) for use in remote sites.

Eight reactors were built in all.

SM-1, 2 MWe. Fort Belvoir, VA, first criticality 1957 (several months before the Shippingport reactor) and the first nuclear power plant to be connected to an electrical grid.

SM-1A, 2 MWe, plus heating. Fort Greely, Alaska (http://www.chemistrydaily.com/chemistry/Fort_Greely,_Alaska ). First criticality 1962.

PM-2A, 2 MWe, plus heating. Camp Century , Greenland. First criticality 1961.

PM-1, 1.25 MWe, plus heating. Sundance, Wyoming. Owned by the Air Force, used to power a radar station. First criticality 1962.

PM-3A, 1.75 MWe, plus heating. McMurdo Sound, Antarctica. Owned by the Navy. First criticality 1962, decommissioned 1972.

MH-1A, 10 MWe, plus fresh water supply to the adjacent base. Mounted on the Sturgis, a barge converted from a Liberty ship (http://www.chemistrydaily.com/chemistry/Liberty_ship ), and moored in the Panama Canal Zone. Installed 1968, removed on cessation of US zone ownership in 1975 (the last of the eight to permanently cease operation).

SL-1, BWR, 200kWe, plus heating. Idaho Reactor Testing Station . First criticality 1958. Site of the only fatal accident at a US nuclear power reactor, on January 3 1961, which destroyed the reactor. http://www.chemistrydaily.com/chemistry/SL-1

ML-1, first closed cycle gas turbine. Designed for 300 kW, but only achieved 140 kW. Operated for only a few hundred hours of testing before being shut down in 1963. http://www.atomicinsights.com/nov95/ML-1.html

Key to the codes:

First letter: S - stationary, M - mobile, P - portable.

Second letter: H - high power, M - medium power, L - low power.

Digit: Sequence number.

Third letter: A indicates field installation.

Of the eight built in all, six produced operationally useful power for an extended period.