Bring your utility's Green Button (NAESB ESPI) energy data into the Home Assistant Energy dashboard via a stateless OAuth proxy.
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Updated
Oct 31, 2026 - Python
Bring your utility's Green Button (NAESB ESPI) energy data into the Home Assistant Energy dashboard via a stateless OAuth proxy.
Custom Home Assistant integration for automatically importing Green Button XML files.
🔌 Export Green Button (ESPI) energy usage data from Toronto Hydro
Home Assistant integration for Consumers Energy via Green Button Connect (UtilityAPI)
Reproducible home energy analysis: rate plan, solar, battery, and EV-charging economics computed from a year of 15-minute utility data. Every figure traceable to a committed script and data artifact.
Reproduces real California utility bills from your own meter data and finds the cheapest rate plan.
Pacific Power (PacifiCorp) → Home Assistant Energy dashboard, via Green Button ESPI XML scraping
Import Elexicon Energy (Pickering / Durham Region, Ontario) Time-of-Use electricity usage and cost into the Home Assistant Energy Dashboard via Green Button.
Custom Home Assistant integration for automatically importing Green Button XML files.
Custom Home Assistant integration for importing Green Button XML files.
Home Assistant integration for DTE Energy: usage, costs, plan comparison and time-of-day prices from the Green Button data link
Local-first companion for the Sense energy monitor: realtime per-leg data, DIY appliance detection, bills priced by your real tariff, utility data import, and a live property map.
Privacy-first energy data pipelines for homeowners and cooperatives
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