Independent Electricity System Operator

Tier 1 - Government, Regulators, Standards Bodies

We cite 18 sources from Independent Electricity System Operator across our Ontario HVAC and home energy guides.18 live,0 broken.

Link health is checked nightly. Broken links are flagged for editorial review. See our verification methodology for how we vet sources.

Cited Sources

• (untitled)live
  https://www.ieso.ca/
  Cited in: heat-pump-aux-heat-running-too-much-ontario, heat-pump-seasonal-decommissioning-ontario, home-battery-backup-ontario, hvac-smart-thermostat-c-wire-retrofit-ontario
• Time-of-Use-Rateslive
  https://www.ieso.ca/en/Power-Data/Price-Overview/Time-of-Use-Rates
  Cited in: heat-pump-first-winter-expectations-ontario, hot-tub-electrical-cost-ontario, seer2-vs-seer-ontario, thermostat-tou-scheduling-ontario
• time-of-use-rateslive
  https://www.ieso.ca/power-data/price-overview/time-of-use-rates
  Cited in: central-air-conditioner-cost-ontario, gas-vs-electric-heating-ontario, home-battery-worth-it-ontario, ontario-electricity-rates
• Error-404?item=%2fsector-participants%2fenergy-efficiency%2fsave-on-energy-framework&user=extranet%5cAnonymous&site=IESOlive
  https://www.ieso.ca/Error-404?item=%2fsector-participants%2fenergy-efficiency%2fsave-on-energy-framework&user=extranet%5cAnonymous&site=IESO
  Cited in: home-renovation-savings-program-ontario, rebates
• Residents-and-Small-Businesseslive
  https://www.ieso.ca/Learn/Electricity-Pricing-Explained/Residents-and-Small-Businesses
  Cited in: central-air-conditioner-cost-ontario, home-battery-worth-it-ontario
• 2025-Annual-Planning-Outlook.pdflive
  https://ieso.ca/-/media/Files/IESO/Document-Library/planning-forecasts/apo/2025/2025-Annual-Planning-Outlook.pdf
  Cited in: hybrid-heating-systems-ontario
• Error-404?item=%2fget-involved%2fhome-renovation-savings&user=extranet%5cAnonymous&site=IESOlive
  https://www.ieso.ca/Error-404?item=%2fget-involved%2fhome-renovation-savings&user=extranet%5cAnonymous&site=IESO
  Cited in: hvac-oil-furnace-conversion-ontario
• Error-404?item=%2fget-involved%2finnovation%2fpeak-perks&user=extranet%5cAnonymous&site=IESOlive
  https://www.ieso.ca/Error-404?item=%2fget-involved%2finnovation%2fpeak-perks&user=extranet%5cAnonymous&site=IESO
  Cited in: heat-pump-grid-interactive-ontario
• Error-404?item=%2fget-involved%2fsave-energy&user=extranet%5cAnonymous&site=IESOlive
  https://www.ieso.ca/Error-404?item=%2fget-involved%2fsave-energy&user=extranet%5cAnonymous&site=IESO
  Cited in: hvac-ecm-blower-motor-benefits-ontario
• Error-404?item=%2fget-involved%2fsave-on-energy%2fhome-renovation-savings&user=extranet%5cAnonymous&site=IESOlive
  https://www.ieso.ca/Error-404?item=%2fget-involved%2fsave-on-energy%2fhome-renovation-savings&user=extranet%5cAnonymous&site=IESO
  Cited in: hvac-two-stage-vs-modulating-ontario
• Error-404?item=%2fget-involved%2fsave-on-energy&user=extranet%5cAnonymous&site=IESOlive
  https://www.ieso.ca/Error-404?item=%2fget-involved%2fsave-on-energy&user=extranet%5cAnonymous&site=IESO
  Cited in: hvac-for-log-home-ontario
• Home-Renovation-Savingslive
  https://www.ieso.ca/Error-404?item=%2fget-involved%2fsave-on-energy&user=extranet%5cAnonymous&site=IESO/Home-Renovation-Savings
  Cited in: hvac-two-stage-vs-modulating-ontario
• Error-404?item=%2flearn%2felectricity-in-ontario%2fsupply-mix&user=extranet%5cAnonymous&site=IESOlive
  https://www.ieso.ca/Error-404?item=%2flearn%2felectricity-in-ontario%2fsupply-mix&user=extranet%5cAnonymous&site=IESO
  Cited in: heat-pump-defrost-cycle-ontario
• Error-404?item=%2fsector-participants%2fconservation%2fhome-renovation-savings-program&user=extranet%5cAnonymous&site=IESOlive
  https://www.ieso.ca/Error-404?item=%2fsector-participants%2fconservation%2fhome-renovation-savings-program&user=extranet%5cAnonymous&site=IESO
  Cited in: hrs-rebate-application-walkthrough-ontario
• Error-404?item=%2fsector-participants%2fplanning-and-forecasting%2fontario-planning-outlook&user=extranet%5cAnonymous&site=IESOlive
  https://www.ieso.ca/Error-404?item=%2fsector-participants%2fplanning-and-forecasting%2fontario-planning-outlook&user=extranet%5cAnonymous&site=IESO
  Cited in: gas-vs-electric-heating-ontario
• Transmission-Connected-Generationlive
  https://www.ieso.ca/Power-Data/Supply-Overview/Transmission-Connected-Generation
  Cited in: heat-pumps
• Data-Directorylive
  https://www.ieso.ca/en/Power-Data/Data-Directory
  Cited in: hvac-summer-brownout-protection-ontario
• Annual-Planning-Outlooklive
  https://www.ieso.ca/en/Sector-Participants/Planning-and-Forecasting/Annual-Planning-Outlook
  Cited in: hvac-total-cost-ownership-ontario