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NII report: Energy storage powered by Ontario’s nuclear assets makes green energy greener

Ontario will need investment in vast new energy storage capacity in combination with clean power from nuclear generation to meet its increasing clean energy demands in the coming years. 

The report explores how large-scale energy storage in combination with clean electricity from Bruce Power presents a $4-billion opportunity for Bruce, Grey and Huron counties.


  1. Increased levels of energy storage capacity will be a critical part of the electricity grids of the future as we seek to achieve net zero.

  2. Nuclear energy provides the consistent, reliable, and emissions-free electricity needed for clean energy storage technologies—reducing reliance on gas-fired electricity plants and creating a system that can provide clean power even when demand is at its highest.

  3. Pairing the clean electricity produced by nuclear power with energy storage capacity like the proposed Ontario Pumped Storage project in Meaford, Ontario, will help lower greenhouse gas emissions while ensuring a dependable source of electricity.


“Being able to store clean baseload energy from nuclear and draw upon that reserve when required is essential to match changes in electricity demand. Fortunately, there are plenty of made-in-Ontario solutions to fulfill our need for energy storage, including some right here in our region."

  • Chad Richards, Director of the Centre for New Nuclear & Net Zero Partnerships, Nuclear Innovation Institute (NII)


“We echo the Nuclear Innovation Institute’s report that highlights the need for new energy storage capacity. TC Energy is committed to helping Ontario and all of Canada meet clean energy goals. We plan to invest $4.3 billion to develop a zero-emissions pumped hydro storage project that will provide the ability to store power, all while meeting the highest environmental and community standards and creating jobs.”

  • Corey Hessen, executive vice president, TC Energy, and president, Power, Storage & Commercial Marketing


“As we meet the challenge of providing clean, safe, and reliable electricity to all Ontarians as demand increases, we’ll need to look closely at all options on the table. Made-in-Ontario solutions that provide good value to ratepayers and leverage our existing assets, like our province’s nuclear sector and the associated sustainability of producing life-saving isotopes, will be ever-important in the coming years.”

  • Bill Walker, MPP for Bruce-Grey-Owen Sound

“The Clean Energy Frontier region of Bruce, Grey and Huron is already a leader in clean energy production and storage. From the clean nuclear power produced at the Bruce site, to NRStor and Hyrdostor’s compressed air energy storage facility near Goderich, our region has an outstanding track record for clean energy innovation. This report makes it clear that we have even more reason to be excited for future opportunities."

  • Lisa Thompson, MPP for Huron-Bruce

“Bruce Power’s nuclear output is a backbone of Ontario’s clean electricity grid, providing the province with stable, reliable, emissions-free baseload electricity. NII’s report makes clear that pairing clean baseload electricity—such as that produced at Bruce Power—with proven energy storage solutions and infrastructure like pumped storage and battery technologies, provides a once-in-a-generation opportunity to both tackle climate change and attract a $4-billion opportunity and thousands of jobs to the region."

  • James Scongack, Chief Development Officer and Executive Vice-President Operational Services

“These findings demonstrate that the path to a net-zero future in Ontario and Canada runs through the Clean Energy Frontier region of Bruce, Grey and Huron counties. Leveraging our strategic position on the grid, our existing base of nuclear generation, a regionalized energy supply chain and storage projects that are under development presents a historic opportunity for our communities.”

  • John Peevers, Co-Chair of the Clean Energy Frontier program at NII


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