What if electricity got cheaper when the grid runs clean and pricier when it runs dirty? Every day this site runs that idea on real electricity-grid data and measures how much CO₂ it would save compared with today's standard pricing — across Switzerland and US grid regions. Standard Today's fixed tariff — the baseline everything is compared against. Carbon-Aware Hourly The price follows the grid's carbon level, hour by hour.

Carbon Peak Pricing Normal price, plus a sharp spike in the few dirtiest hours.