History
In December 1961, the major construction phase was concluded and system testing was in full swing. Criticality was first attained on April 11, 1962, and first steam of nuclear origin was produced on May 8. The first electrical power was fed to the system on June 4, and on June 28 first full-power generation of 20 MW(e) gross was attained.
NPD began operation in 1962 and was operational until 1987, long after vastly more powerful and modern CANDU units came on-line. The first nuclear-produced power in Canada was generated at NPD, which also served as the "proof of concept" prototype for the later CANDU designs. As with all commercial CANDU units to follow, NPD operated with natural uranium fuel in a horizontal pressure-tube core, was both moderated and cooled by heavy water, and was refuellable on-load. NPD closed in 1987 after exceeding its operational goals. As of 2006, all fuel and non-nuclear equipment have been removed from the site, while much of the nuclear equipment is still present. AECL intends to leave potentially active or contaminated equipment on site for some decades yet to allow for further radioactive decay.
The site was commemorated by a historical plaque detailing the operational history and highlights of the station. However, for reasons of security and public safety, the plaque is set three kilometres west of the site at a highway lookout, and the site itself cannot be seen from the plaque's location. Another bronze plaque and monument commemorating NPD, formerly located on the NPD site, was relocated to the Schoolhouse Museum about three kilometers to the east of the site. The Schoolhouse Museum also includes a scale model of the plant and other historical artefacts.
NPD was followed by the 200 MWe Douglas Point Nuclear Generating Station on the shore of Lake Huron.
Read more about this topic: Nuclear Power Demonstration
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