
Energy Efficiency

Beginning in 1994, OPG’s predecessor company,
Ontario Hydro, committed to an energy efficiency
program, and 13 years later the program remains highly
successful. From 1994 – 2007, OPG’s annualized
energy savings have increased by 2,377 GWh, resulting
in savings of $109 million per year (4.6 cents per
kilowatt-hour) and annual emission savings of 2.32
million tonnes of CO2.
In 2007, OPG achieved an internal energy efficiency
savings of 151.7 GWh, which exceeded the company’s
self-imposed energy efficiency target of 133 GWh.
Some of OPG's major energy efficiency initiatives include:
- 15.4 GWh/yr from turbine runner upgrades on 2 units at Abitibi Canyon Generating Station
- 14.8 GWh/yr from turbine runner upgrades on 2 units a Caribou Falls Generating Station
- 8.5 GWh/yr from re-stroking (i.e., an improvement to output cabling which increases servo motor stroke) on one unit at DeDew Falls Generating Station
- 6 GWh/yr from a turbine runner upgrade on one unit at Ranney Falls Generating Station, and
- 4.3 GWh/yr from two transformer replacements at Mountain Chute and one runner upgrade at Chats Falls Generating Station.
Consumer Info
For information on consumer energy efficiency programs please visit the website of the Ontario Power Authority.
SD Report
Our 2010 Sustainable Development Report is now available for download.





