Electrify Canada has announced free DC charging (Canada wide) starting Friday 12:01 am to Saturday at 3am 
"Good news for Canadian EV drivers — Electrify Canada is offering complimentary charging across its ultra-fast charging network starting Friday at 12:01am until Saturday at 3am. This initiative was created to celebrate the sustainability benefits of EVs, while encouraging EV drivers to charge up for free and share their experience on social using #ChargeOnEarth."
Source:
https://thecharge.ca/news/electrify-canada-offers-free-charging-for-earth-day/

"Good news for Canadian EV drivers — Electrify Canada is offering complimentary charging across its ultra-fast charging network starting Friday at 12:01am until Saturday at 3am. This initiative was created to celebrate the sustainability benefits of EVs, while encouraging EV drivers to charge up for free and share their experience on social using #ChargeOnEarth."
Source:
https://thecharge.ca/news/electrify-canada-offers-free-charging-for-earth-day/