Heated ski gloves are absolutely worth it if you have chronically cold hands, poor circulation, or regularly ski in extreme cold where even well-insulated gloves leave you numb. The battery-powered heating elements—usually running through the fingers and back of hand—give you on-demand, adjustable warmth that passive insulation simply can't match.
That said, heated gloves come with real trade-offs. They cost significantly more, add noticeable weight and bulk, and require you to charge batteries before every ski day. If you forget to charge, you're stuck with heavy gloves and no heat boost.
For most skiers, properly fitted, well-insulated non-heated gloves are plenty warm. Heated gloves shine for ski professionals on long days, riders with medical conditions like Raynaud's, or anyone who's tried quality insulated gloves and still can't stay warm. If your hands stay comfortable in regular gloves, save the money.