Oneida is Online — 250 MW of Grid-Transforming Storage
NRStor leads the way in energy innovation with Canada’s largest battery storage project, built on a foundation of strong partnerships.
How Canada’s Biggest Energy Storage Project Got Built
Matt Jamieson, President and CEO of Six Nations of the Grand River Development Corporation, and Annette Verschuren, Chair and CEO of NRStor Inc., speak with Amanda Lang about the Oneida Energy Storage Project — one of the world’s largest clean energy storage facilities — and how early Indigenous partnerships and a shared vision for economic reconciliation helped bring this nation-building infrastructure to life.
We develop cost-effective, reliable energy storage projects that create energy cost savings and reduce environmental impact
By delivering tailored storage solutions, we are powering change across the energy landscape, from infrastructure projects to solutions for everyday use.
Utilities
Commercializing industry-leading energy storage technologies to enable clean, flexible, and reliable electricity systems.
Remote
Communities
Partnering with remote communities and mines to reduce dependence on diesel fuel using clean energy microgrids.
Commercial & Industrial
Delivering savings to commercial & industrial energy users with emissions-free, behind-the-meter energy storage solutions.
Residential
Empowering residential customers to take control of their energy supply with the Tesla Powerwall home battery.
NRStor builds, owns, and operates innovative energy storage projects
Learn how our innovative storage projects are helping build a more reliable, sustainable, and efficient energy grid across Canada. From stabilizing the grid to supporting renewable integration, each project plays a key role in shaping the future of energy. Click here to learn more about all our projects.
Minto
2MW / 500kWh Flywheel Energy
Storage Facility
Canada’s first grid-connected commercial flywheel facility.
Goderich
1.75MW / 7MWh Compressed Air Energy Storage (CAES) Facility
The first commercial fuel-free CAES facility, operational since 2020.
Hamlet of Arviat
Clean Energy Microgrid Reducing Diesel Dependence
Deploying wind, bifacial solar, and battery storage to cut ~160,000 tonnes of CO2 emissions over 20 years.
“NRStor is a leader in energy storage, bringing innovation to the grid through its proven development expertise. Working together, our teams will dramatically accelerate the deployment of Hydrostor’s Advanced Compressed Air Energy Storage across Canada.”
Curtis VanwallenghamHydrostor 
“The Temporal and NRStor partnership has allowed us to deliver this exciting and high value project to Ontario. By offering unlimited duty cycle and responding significantly faster and more accurately than conventional resources, flywheels add flexibility to the system and complement the operation of existing generators.”
Eric MurrayTemporal Power 
NRStor in the news
All the news, insights and resources you need to stay up to date on energy storage in Canada.
July 12, 2024
In the realm of renewable energy, Annette Verschuren stands as a trailblazer of innovation and purpose-driven leadership. As Chair and CEO of NRStor Inc., Annette powers up the energy transition by advancing energy storage solutions, driving sustainable change, and fostering societal progress.
February 9, 2023
NRStor Inc. is pleased to announce that the Independent Electricity System Operator has entered into an Energy Storage Facility Agreement (ESFA) for the Oneida Energy Storage Project. This is a significant step in advancing its development and follows the issuance of an Order-in-Council and Ministerial Directive to enable the Project to proceed, granted by the Government of Ontario.
October 1, 2021
The 250-megawatt Oneida Energy Storage Project is poised to be a ground-breaking facility — on several fronts. Not only is the major resource project expected to be one of the largest energy storage facilities in the world, but it’s also noteworthy for its collaborative and inclusive approach: it’s a joint 50:50 venture that’s being developed in collaboration with Indigenous partners.
August 16, 2021
As part of an IESO research program, NRStor Inc. has built a solar-energy storage facility in Minto, located one-hour north of Kitchener, by adding a 50 kW rooftop solar array to complement their existing 2 MW flywheel energy storage system. Pairing energy storage with wind or solar generation could have a real impact on helping meet the province’s emerging electricity needs.