Status
Under construction: Construction halted in 2023 for lack of funding
Product: Cobalt sulfate. Capacity: 6.5 kt/yr (Planned (legacy figure)).
Would be the only North American battery-grade cobalt sulfate refinery.
Plant record
Plant record
| Company | Electra Battery Materials |
| Plant | Ontario Cobalt Refinery |
| City | Temiskaming Shores |
| State or province | Ontario |
| Country | Canada |
| Stage | chemical |
| Chemistry or product | Cobalt sulfate |
| Capacity (kt/yr) | 6.5 |
| Capacity basis | Planned (legacy figure) |
| Status | under construction |
| Status note | Construction halted in 2023 for lack of funding; restart financing announced later; operating status unverified; legacy record wrongly showed it operating |
| Scale | commercial |
| Geopolitical exposure | LOW |
| Record updated | 2026-10 |
Official site: electrabmc.com
In context
Where it fits
Listed in Cathode Active Materials. Cathode plants are compared on stage (chemical, precursor or finished CAM), chemistry, capacity and qualified customers; a plant qualified for one chemistry and one cell maker is not interchangeable supply.
| Plant | Country | Status |
|---|---|---|
| Candiac LFP Plant (Nano One Materials) | Canada | operational |
| Fort Saskatchewan Refinery (Sherritt International) | Canada | operational |
| Sarnia Precursor Plant (Toda Advanced Materials) | Canada | operational |
| Long Harbour Nickel Refinery (Vale Base Metals) | Canada | operational |
| Becancour Lithium Hydroxide Plant (Rio Tinto (Nemaska Lithium)) | Canada | under construction |
| Becancour CAM Plant (Ultium CAM (GM and POSCO Future M)) | Canada | under construction |
| Clearwater Project (E3 Lithium) | Canada | announced |
| EcoPro Canada (EcoPro BM) | Canada | paused |
Sources
Sources and scope
- Scope
- Ontario Cobalt Refinery (Electra Battery Materials)
- Sources
- ElectronsX cathode dataset; company disclosures and filings
- Updated
- 2026-10