Stateless OAuth proxy server bridging Green Button (NAESB ESPI) utility data to local software like Home Assistant. Hosted on Fly.io; backs the open-green-button-homeassistant integration.
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Updated
Aug 5, 2026 - Kotlin
Stateless OAuth proxy server bridging Green Button (NAESB ESPI) utility data to local software like Home Assistant. Hosted on Fly.io; backs the open-green-button-homeassistant integration.
"Energy Monitoring in Less Effort" - An application to aggregate energy consumption data across several municipal assets and report usage to monitor and manage emissions. Makes bringing together Green Button and CSV data sources a breeze!
Parse Green Button® formatted energy consumption feeds into JSON.
Custom Home Assistant integration for automatically importing Green Button XML files.
Bring your utility's Green Button (NAESB ESPI) energy data into the Home Assistant Energy dashboard via a stateless OAuth proxy.
🔌 Export Green Button (ESPI) energy usage data from Toronto Hydro
A web app for visualizing and analyzing energy consumption data from Green Button data.
NodeJS model application to interact with PG&E data access API for energy data
Handles the OAuth authentication, downloading, and parsing of Green Button® API data.
Ameren Corporation is a regulated electric and natural gas utility serving customers in Missouri and Illinois. The company provides reliable energy delivery, smart grid infrastructure, and renewable energy programs.
Toronto Hydro is the municipally owned local electricity distribution company (LDC) for the City of Toronto, delivering power to roughly 800,000 residential and business customers across Canada's largest city.
Custom Home Assistant integration for automatically importing Green Button XML files.
The North American Energy Standards Board (NAESB) is the non-profit, industry-consensus standards development organization formed in 1994 that writes the business practice standards for the North American wholesale and retail natural gas and electricity markets, organized into four quadrants — Wholesale Electric (WEQ), Retail Electric (REQ)…
Import Elexicon Energy (Pickering / Durham Region, Ontario) Time-of-Use electricity usage and cost into the Home Assistant Energy Dashboard via Green Button.
EPCOR Utilities Inc. is a municipally owned Canadian utility headquartered in Edmonton, Alberta, wholly owned by the City of Edmonton, that builds and operates electricity distribution and transmission, water and wastewater, and natural gas distribution systems across Alberta, Ontario and British Columbia in Canada and in Arizona, New Mexico and…
The Ontario Energy Board (OEB) is the independent regulator of Ontario's electricity and natural gas sectors, licensing and rate-regulating roughly 60 electricity distributors, the province's transmitters, storage and generation licensees, unit sub-meter providers, energy retailers and gas marketers, and Enbridge Gas.
Headless CLI for Con Edison account, billing, and energy-usage data
The Green Button Alliance (GBA) is the non-profit that stewards, tests and certifies the Green Button standard — the NAESB REQ.21 Energy Services Provider Interface (ESPI) profile for utility customer electricity, natural gas and water usage data, in its Download My Data (DMD) and Connect My Data (CMD) forms.
Public Service Enterprise Group (PSEG) is a diversified energy holding company headquartered in Newark, New Jersey. Its regulated utility subsidiary Public Service Electric and Gas (PSE&G) is New Jersey's largest electric and gas distribution utility, and PSEG Long Island operates the transmission and distribution system on behalf of the Long…
British Columbia Hydro and Power Authority (BC Hydro) is a provincial Crown corporation whose sole shareholder is the Province of British Columbia, and which states that it generates and delivers electricity to "95% of the population of B.C." and serves "over five million people." It is the vertically integrated end of the value chain in a market…
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