NexWattEnergy Intelligence
Virtual power plant

Virtual power plant (VPP) — getting your home ready for flexibility services

Together, home batteries add up to real power. HEMS prepares your installation to take part in a virtual power plant — on your terms and with no control at all until there is a contract.

What you get

Your consent, your limits

Data sharing, consent to future control, power limits, SOC reserve and availability windows. You can withdraw consent at any time.

Group aggregation

Total available power and energy of the installations in a group, with event simulation and load allocation.

Events modelled on OpenADR 3.0

Events accepted via API in a program → event → intervals structure.

Proof of delivery

A baseline from previous days compared with measurements, stored in a SHA-256 hash chain and signed with Ed25519.

How it works

  1. 1

    Join a group by invitation and set your consents and limits.

  2. 2

    HEMS calculates the available power and energy of your installation.

  3. 3

    Events are simulated and settled against the baseline.

Details

  • Currently without control: an external event never creates a command for your device.
  • No market participation and no financial settlement — this is preparation, not a service for the grid operator.
  • OpenADR 3.0 compliance is not certified.

What you need

  • A home battery with SOC measurement.
  • An invitation to a VPP group.

Frequently asked questions

Can someone control my battery without my knowledge?

No. Control through the VPP is disabled in the code. Enabling it requires a contract with an aggregator, a new system version and your consent.

Will I get paid for taking part?

Not yet — HEMS does not run market settlements. The feature prepares your installation for when such programmes become available.

What is a virtual power plant?

A group of distributed sources and batteries that can respond together to grid needs — for example export energy at peak times or reduce consumption.

Related features

All features →

Try it on your own installation

Create an account, connect your inverter or the manufacturer cloud and see your data. You switch on automation only when you want to.