Lower Your EV Charging Rate!

Earn money back for charging your EV off-peak at home as part of the Massachusetts Clean Peak Energy Standard.

We'll Reduce Your EV Charging Rate Now and in the Future

As part of the Massachusetts Clean Peak Energy Standard, Optiwatt is offering to buy down your off-peak home EV charging rate. As EV adoption grows, the need to shift to off-peak charging grows with it. This is especially important when there are high energy demands. Optiwatt helps make it easy to support your grid and keep costs low.

Connect to Optiwatt and we'll pay you back $0.01 for every kWh you charge your car off-peak at home. EV Drivers who qualify for the Massachusetts Clean Peak Energy Standard can save as much as 10%.

Saving is Easy!

  • Join Optiwatt for free
  • Set up your address, utility and car, 3-minute process
  • Let Optiwatt schedule your EVs charging (maximize this with the Save Money Plan ✅)
  • Download the Optiwatt app on iPhone or Android to manage your preferences

MORE INFO

  • If you have any additional questions, some of them may be answered in our FAQ.
  • If you have any further questions, contact Optiwatt at support@optiwatt.com.

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Optiwatt Reduces EV Charging Costs

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Optwatt was designed to make EV ownership even easier. We are trusted by more than 100,000 EV drivers in North America. You can rest assured that not only will you save money, but your EV will be ready when you need it.


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To qualified for the Massachusetts Clean Peak Energy Standard, EV drivers must be a customer of Eversource, National Grid, and Unitil; must agree to use the Optiwatt to control their charging; and charge off peak. Users can maximize their savings potential by selecting the Save Money Plan in the Optiwatt app.