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We care about making it as easy as possible to access information about energy impact timing, so we've made the WattTime API open to anyone at the Visitor level. Sign up here for additional features with an Open or Pro account!

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Terms of Service

  • For personal, non-commercial use only
  • Don't stream data publicly (e.g., no twitterbots)
  • Be nice and don't abuse our servers
  • Have a public or commercial project in mind? Awesome, just request Pro access on sign-up and we'll help you get started!
  • We reserve the right to refuse service
  • Pro features may be subject to additional terms and restrictions