A portable induction stove might be the cheapest green upgrade
The Best Portable Induction Cooktop (2023), Tested and Reviewed | Epicurious
VBGK Double Induction Cooktop, 12 Inch Portable Induction Cooktop with 2 Burner,110V Electric Cooktop with LCD Touch Screen 9 Levels Settings and Child Safety Lock & Timer : Amazon.ca: Home