TransCanada Power Corridor:
A National Grid Uniting Canada

SPECIAL REPORT

NOVEMBER 20, 2025

Appendix A: Provincial and Territorial Electricity Expansion Plans (2025–2045)

This appendix compiles existing and near‑term expansion plans across all Canadian provinces and territories. Values reflect current installed capacity (from Canada Energy Regulator / NRCan data) and headline planned additions.

Province/Territory Current Capacity (MW) Planned Additions (MW) Key Projects / Notes
Alberta 17,000 1,365 Buffalo Plains 494; Paintearth 190; Travers 465; Dunmore 216. Market-driven renewables growth, coal phase-out.
British Columbia 13,000 4,062 Site C 1,100; Calls for Power ≈2,962; $36B grid/transmission upgrades.
Manitoba 6,100 652 600 MW new wind call; Pointe du Bois +52 MW upgrade.
New Brunswick 4,723 2,200 Wind 1,400; Solar 200; SMRs 600; NB–NS Reliability Tie, Indigenous-led renewables.
Newfoundland & Labrador 8,682 4,050 Bay d’Espoir U8 ~154; Churchill Falls uprate; Gull Island ~3,900 potential; offshore wind-to-hydrogen export.
Nova Scotia 3,206 550 (by 2026) 500 MW local renewables; 50 MW solar; offshore wind roadmap (5 GW target by 2030); hydrogen hubs (EverWind, Bear Head).
Ontario 39,600 6,000 Darlington SMRs (1,200 MW by 2036); Bruce new build up to 4,800; hydro refurbishments; ~3,000 MW storage.
Prince Edward Island 441 30 Eastern Kings windfarm expansion; imports from NB; target net-zero grid by 2040.
Québec 45,000 8,500 (by 2035) Hydro-Québec 60 TWh plan ≈ 8–9 GW hydro/wind expansion; interprovincial trade (600 MW Ontario seasonal exchange).
Saskatchewan 5,000 3,375 Wind/solar up to 3,000 by 2035; first SMR 315 by 2034; ~60 MW hydro uprates.
Yukon 500 Hydro + diesel + wind mix; microgrid pilots; Haeckel Hill Indigenous wind (2024).
Northwest Territories 250 60 Primarily hydro; Taltson expansion (~60 MW); thermal/diesel backup.
Nunavut 100 1.8 Diesel-dominated; Naujaat ~1 MW; Rankin Inlet 0.3; hybrid ~0.5.
Canada (Total) 170,000 30,846 Aggregate of provincial/territorial plans (2025–2045 horizon).

Appendix Sources

Alberta Chambers of Commerce. 2024. “Strengthening Alberta’s Electricity Transmission Intertie Infrastructure.” https://abchamber.ca/wp-content/uploads/2024/06/Strengthening-Albertas-Electricity-Transmission-Intertie-Infrastructure_Energy_1.pdf.

Alberta Electric System Operator (AESO). 2025. “Guide to Understanding Alberta’s Electricity Market.” https://www.aeso.ca/aeso/understanding-electricity-in-alberta/continuing-education/guide-to-understanding-albertas-electricity-market.

Alberta Energy Regulator (AER). 2025. “Alberta Energy Outlook (ST98).” https://www.aer.ca/data-and-performance-reports/statistical-reports/alberta-energy-outlook-st98.

Atlantica Centre for Energy. 2025. “New Brunswick’s Energy Resources.” https://www.atlanticaenergy.org/energy-knowledge-centre/energy-maps/new-brunswicks-energy-resources/.

Atlantica Centre for Energy. 2025. “Nova Scotia Energy Resources.” https://www.atlanticaenergy.org/energy-knowledge-centre/energy-maps/nova-scotia-energy-resources/.

Blake, Cassels & Graydon LLP. 2024. “Ontario Proposes Expediting Regulatory Approvals for Energy Infrastructure Projects with Bill 40.” https://www.blakes.com/insights/ontario-proposes-expediting-regulatory-approvals-for-energy-infrastructure-projects-with-bill-40/.

Business in Vancouver. 2025. “B.C. to Tap Wind, Geothermal, Hydro in Major Clean-Energy Push.” https://www.biv.com/news/bc-to-tap-wind-geothermal-hydro-in-major-clean-energy-push-10614931.

CBC News. 2024. “Transmission Line Upgrade Gets Funding from Canada Infrastructure Bank.” https://www.cbc.ca/news/canada/nova-scotia/transmission-line-upgrade-funding-canada-infrastructure-bank-1.7475385.

Canada Energy Regulator (CER). 2025. “Provincial and Territorial Energy Profiles – Alberta.” https://www.cer-rec.gc.ca/en/data-analysis/energy-markets/provincial-territorial-energy-profiles/provincial-territorial-energy-profiles-alberta.html.

Canada Energy Regulator (CER). 2025. “Provincial and Territorial Energy Profiles – British Columbia.” https://www.cer-rec.gc.ca/en/data-analysis/energy-markets/provincial-territorial-energy-profiles/provincial-territorial-energy-profiles-british-columbia.html.

Canada Energy Regulator (CER). 2025. “Provincial and Territorial Energy Profiles – Canada.” https://www.cer-rec.gc.ca/en/data-analysis/energy-markets/provincial-territorial-energy-profiles/provincial-territorial-energy-profiles-canada.html.

Canada Energy Regulator (CER). 2025. “Provincial and Territorial Energy Profiles – New Brunswick.” https://www.cer-rec.gc.ca/en/data-analysis/energy-markets/provincial-territorial-energy-profiles/provincial-territorial-energy-profiles-new-brunswick.html.

Canada Energy Regulator (CER). 2025. “Provincial and Territorial Energy Profiles – Newfoundland and Labrador.” https://www.cer-rec.gc.ca/en/data-analysis/energy-markets/provincial-territorial-energy-profiles/provincial-territorial-energy-profiles-newfoundland-labrador.html.

Canada Energy Regulator (CER). 2025. “Provincial and Territorial Energy Profiles – Northwest Territories.” https://www.cer-rec.gc.ca/en/data-analysis/energy-markets/provincial-territorial-energy-profiles/provincial-territorial-energy-profiles-northwest-territories.html.

Canada Energy Regulator (CER). 2025. “Provincial and Territorial Energy Profiles – Nova Scotia.” https://www.cer-rec.gc.ca/en/data-analysis/energy-markets/provincial-territorial-energy-profiles/provincial-territorial-energy-profiles-nova-scotia.html.

Canada Energy Regulator (CER). 2025. “Provincial and Territorial Energy Profiles – Nunavut.” https://www.cer-rec.gc.ca/en/data-analysis/energy-markets/provincial-territorial-energy-profiles/provincial-territorial-energy-profiles-nunavut.html.

Canada Energy Regulator (CER). 2025. “Provincial and Territorial Energy Profiles – Ontario.” https://www.cer-rec.gc.ca/en/data-analysis/energy-markets/provincial-territorial-energy-profiles/provincial-territorial-energy-profiles-ontario.html.

Canada Energy Regulator (CER). 2025. “Provincial and Territorial Energy Profiles – Prince Edward Island.” https://www.cer-rec.gc.ca/en/data-analysis/energy-markets/provincial-territorial-energy-profiles/provincial-territorial-energy-profiles-prince-edward-island.html.

Canada Energy Regulator (CER). 2025. “Provincial and Territorial Energy Profiles – Yukon.” https://www.cer-rec.gc.ca/en/data-analysis/energy-markets/provincial-territorial-energy-profiles/provincial-territorial-energy-profiles-yukon.html.

Canadian Climate Institute. 2024. “Exploring Indigenous-Led Distributed Energy Systems in New Brunswick.” https://climateinstitute.ca/publications/exploring-indigenous-led-distributed-energy-systems-in-new-brunswick/.

ConstructConnect (Journal of Commerce). 2025. “B.C. Plans to Streamline Permitting for Major Electrical Infrastructure.” https://canada.constructconnect.com/joc/news/government/2025/01/b-c-plans-to-streamline-permitting-for-major-electrical-infrastructure.

Enerdata. 2025. “Canada – Energy Market Data.” https://www.enerdata.net/estore/energy-market/canada/.

Government of Alberta. 2025. “Alberta Electricity Overview.” https://www.alberta.ca/alberta-electricity-overview.

Government of British Columbia. 2025. “B.C. Announces Clean-Energy Projects and Grid Expansion.” https://news.gov.bc.ca/releases/2025ECS0033-000724.

Government of Canada. 2025. “Clean Electricity: Overview – Alberta.” https://www.canada.ca/en/services/environment/weather/climatechange/climate-plan/clean-electricity/overview-alberta.html.

Government of Canada. 2025. “Clean Electricity: Overview – New Brunswick.” https://www.canada.ca/en/services/environment/weather/climatechange/climate-plan/clean-electricity/overview-new-brunswick.html.

Government of Canada. 2025. “Clean Electricity: Overview – Northwest Territories.” https://www.canada.ca/en/services/environment/weather/climatechange/climate-plan/clean-electricity/overview-northwest-territories.html.

Government of Canada. 2025. “Clean Electricity: Overview – Nova Scotia.” https://www.canada.ca/en/services/environment/weather/climatechange/climate-plan/clean-electricity/overview-nova-scotia.html.

Government of Canada. 2025. “Clean Electricity: Overview – Nunavut.” https://www.canada.ca/en/services/environment/weather/climatechange/climate-plan/clean-electricity/overview-nunavut.html.

Government of Canada. 2025. “Clean Electricity: Overview – Ontario.” https://www.canada.ca/en/services/environment/weather/climatechange/climate-plan/clean-electricity/overview-ontario.html.

Government of Canada. 2025. “Clean Electricity: Overview – Yukon.” https://www.canada.ca/en/services/environment/weather/climatechange/climate-plan/clean-electricity/overview-yukon.html.

Government of Canada. 2025. “Investing in BC Hydro Projects across the Province.” https://www.canada.ca/en/housing-infrastructure-communities/news/2025/03/investing-in-bc-hydro-projects-across-the-province.html.

Government of Canada — Crown-Indigenous Relations and Northern Affairs. 2024. “Investments to Help Reduce Diesel Use in Nunavut.” https://www.canada.ca/en/crown-indigenous-relations-northern-affairs/news/2024/07/minister-vandal-announces-investments-in-clean-energy-projects-to-help-reduce-diesel-use-in-nunavut.html.

Government of Newfoundland and Labrador. 2025. “Electricity in Newfoundland and Labrador.” https://www.gov.nl.ca/iet/energy/electricity/.

Government of the Northwest Territories — Department of Infrastructure. 2025. “Electricity in the Northwest Territories.” https://www.inf.gov.nt.ca/en/services/energy/electricity.

Government of the Northwest Territories — Department of Infrastructure. 2024. “Electrical Generation in the NWT.” https://www.inf.gov.nt.ca/sites/inf/files/resources/electrical_generation_in_the_nwt_4_converted.pdf.

Impact Assessment Agency of Canada. 2024. “Project Document (IAAC Registry).” https://iaac-aeic.gc.ca/050/documents/p83514/159507E.pdf.

Independent Electricity System Operator (IESO). 2025. “Supply Mix and Generation – Learn about Ontario’s Grid.” https://www.ieso.ca/Learn/Ontario-Electricity-Grid/Supply-Mix-and-Generation.

Independent Electricity System Operator (IESO). 2025. “Annual Planning Outlook.” https://www.ieso.ca/Sector-Participants/Planning-and-Forecasting/Annual-Planning-Outlook.

International Energy Agency (IEA). 2025. “Canada: Electricity.” https://www.iea.org/countries/canada/electricity.

McCarthy Tétrault LLP. 2024. “Power Perspectives: Alberta Regional Overview.” https://www.mccarthy.ca/en/insights/blogs/canadian-energy-perspectives/power-perspectives-alberta-regional-overview.

Newfoundland and Labrador Hydro. 2023. “Our Generation Assets.” https://nlhydro.com/about-us/our-electricity-system/our-generation-assets/.

Newfoundland and Labrador Hydro. 2023. “Strategic Plan.” https://nlhydro.com/wp-content/uploads/2023/12/NEW-strategic-plan-FINAL-DEC-12-WEB.pdf.

Prince Edward Island, Government of. 2017. “Energy Strategy – What We Heard Report.” https://www.princeedwardisland.ca/sites/default/files/publications/pei_energy_strategy_what_we_heard_report.pdf.

SaltWire Network. 2023. “Electricity Cables Capacity Tops P.E.I. List of Nation-Building Projects.” https://www.saltwire.com/princeedward-island/electricity-cables-capacity-top-pei-list-nation-building-projects.

Statistics Canada. 2025. “The Daily: Energy Statistics — March 31, 2025.” https://www150.statcan.gc.ca/n1/daily-quotidien/250331/dq250331c-eng.htm.