Ontario Implements Stricter Regulations to Combat Rising Lithium-Ion Battery Fires
New provincial laws target battery modifications and unsafe storage practices to mitigate fire hazards.
1Escalating Public Safety Crisis
Toronto Fire Chief Jim Jessop identifies lithium-ion battery fires as the city's greatest public safety risk. Data shows 124 such fires occurred in 2026, marking a significant surge from previous years. These incidents have caused fatalities and critical injuries, fundamentally altering the operational landscape for firefighters responding to complex, high-intensity emergency situations.
2Provincial Legislative Response
Solicitor General Michael Kerzner announced that Ontario will amend the Fire Code early next year to address these hazards. The new regulations specifically target the unauthorized modification of batteries and improper storage practices. These legal changes aim to ensure that certified batteries are used exclusively for their intended, safe operational purposes.
3Banning Dangerous Battery Modifications
The upcoming legislation makes modifying lithium-ion batteries illegal. Authorities aim to stop users from 'juicing up' batteries to increase the speed of e-bikes and e-scooters beyond manufacturer specifications. Officials emphasize that such unauthorized alterations often lead to catastrophic failures, as the batteries are pushed far beyond their original design and safety testing limits.
4Restricting Storage in Buildings
New Fire Code amendments will prohibit the storage of e-bikes and e-scooters in common areas, specifically hallways and in front of stairway exits. This measure addresses the trend of residents keeping devices in apartment corridors, which blocks emergency egress routes and increases the risk of rapid fire spread during a thermal runaway event.
5The Thermal Runaway Mechanism
When these batteries fail, they enter a state known as thermal runaway. This chemical chain reaction causes rapid overheating, explosions, and the release of toxic, carcinogenic gases. Firefighters report that these fires burn hot and fast, requiring exponentially greater quantities of water to extinguish compared to conventional residential structure fires in the city.
6Three-Year Statistical Surge
The frequency of these fires has exploded over the last three years, with a recorded increase of over 200 percent since 2023. By early September 2026, Toronto had already recorded 97 fires, surpassing the previous annual record of 91 set in 2025. This rapid growth highlights the urgent need for the provincial intervention.
7Enforcement and Future Phases
Once the regulations take effect in early 2027, municipal fire inspectors will have the authority to order the removal of improperly stored devices. Violators could face charges for non-compliance. Furthermore, officials are already planning a second phase of consultations for 2027 to explore additional measures, such as potential limits on e-bike storage density.
8Addressing Systemic Safety Gaps
Beyond provincial laws, officials are pushing for federal regulations to mandate safety standards for all lithium-ion batteries entering Canada. Current issues include the continued use of damaged batteries and a lack of standardized disposal protocols. Future policy discussions will involve engineers, condo associations, and the Fire Marshal to develop comprehensive, long-term safety strategies.