Every power reactor at this site as listed in the IAEA Power Reactor Information System (PRIS): reactor type and model, net electrical capacity, grid connection and commercial operation dates, and current status.
Source: IAEA Power Reactor Information System (PRIS), as of 2026-11-02.
Working Here
Per Diem Rates
FY 2026
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Per diem covers lodging and meals & incidental expenses (M&IE) for government and contractor travel near this facility. Rates are from the U.S. State Department foreign per diem tables for FY 2026.
$167
Lodging/Night
$120
M&IE/Day
$287
Total/Day
Canada: rate for locations the State Department does not list separately
U.S. Department of State foreign per diem, for U.S. government and contractor travel.
Interactive satellite map showing the facility's geographic location. Marker color indicates current status: green for online, red for offline, orange for reduced power. Click the header to open in Google Maps satellite view.
46.2029, -77.7084
Location & Contact
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Physical address, phone number, and website for this facility. Use the directions link to get driving directions via Google Maps.
Community ratings from NukeWorker members. Vote to share your experience working at this facility. Score uses a Bayesian average that accounts for vote count — facilities with few votes are pulled toward the fleet average, so rankings reflect confidence, not just raw percentages.
Written by NukeWorker from public records: facts that do not change. Operator, status and capacity come from the live data elsewhere on this page. Sources: Wikipedia: Nuclear Power Demonstration.
Rolphton NPD is the site of the Nuclear Power Demonstration (NPD) reactor, on the west bank of the Ottawa River at Rolphton, Ontario, near the Chalk River Laboratories.
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The official sod-turning took place on 19 September 1956. A prototype CANDU pressurized heavy-water reactor of about 20 MWe, it was built by Canadian General Electric with Atomic Energy of Canada Limited and the Hydro-Electric Power Commission of Ontario. The reactor first went critical on 11 April 1962 and delivered its first power to the grid on 4 June 1962. It was Canada's first nuclear power reactor, a proof of concept for later CANDU designs and a training center for CANDU operators. It was permanently shut down on 1 August 1987.
Reactor design specifications including type (PWR/BWR), containment design, nuclear steam supply system manufacturer, thermal and electrical power ratings, and current operational status.
