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Please note that this trial ended on 30th April 2019. For more information about how Powervault can help you with your energy needs, please complete our contact form.


Powervault is collaborating with Octopus Energy for an exciting and innovative trial.

We’re researching household hot water energy consumption to make it more efficient, and we need your help to do this.

Purpose of the trial

Powervault is collaborating with Octopus Energy and using their Agile tariff to gain a better understanding on optimising electric hot water heating energy consumption in the home.

What’s in it for me?

  1. Receive £100 as a thank you from us for taking part in the trial.

  2. Free installation of a monitoring device to your electric water heater.

  3. Receive results from the trial about the energy consumption of electric water heaters.

  4. Receive information on Octopus Energy’s Agile tariff in order to improve energy consumption.

  5. Be part of a unique, pioneering trial.

Want to take part? sign up here!

There are a limited number of places available in this trial. Participants will be selected on a first come first served basis subject to the following requirements.

  1. You must have an internet connection within your home and be willing to keep the monitoring devices connected for the duration of the trial.
  2. You must keep the monitoring equipment attached to your electric hot water heater for the duration of the trial.
  3. You must agree to our Terms and Conditions.

If you meet the above criteria, please fill in the form below. Powervault will contact you to go over the trial in greater detail and go through the participant checklist.