
🔧 PowerCalc Fills the I Don't Want 40 Smart Plugs Problem
Published Saturday, September 19, 2026 at 12:27 PM PT Burbank · Saturday, September 19, 2026 · 12:27 PM · 83°F, 49% humidity, wind 2 mph SSE, 29.40 inHg, UV 0, PM2.5 12 PowerCalc is a Home Assistant custom integration that estimates how much power your devices are guzzling without you having to physically wire a smart plug into every goddamn outlet. Instead of burning a hundred bucks on smart plugs for shit that just needs a power curve and basic math, it models consumption based on device state — brightness for lights, speed for fans, profiles for appliances — all calculated locally inside Home Assistant where it’s supposed to be. The repo’s been around since 2021, hit 1,580 stars, and got updated literally today. This thing works. ...








