Use cheaper energy.
Power your home when prices rise.

GridVault charges using cheaper electricity (typically overnight or off‑peak) and stores it for use during peak‑rate periods. The goal is simple: reduce what you buy at high prices, by using energy you already stored at low prices.

£3,300 • £4,000 • £4,750
installed systems (16kWh / 20kWh / 32kWh)
Save up to 80% on your home electricity costs
Let’s see which unit is best suited to your home
10 questions • 60 secondsStart
Off‑peak charging
Store energy when your tariff is cheapest.
Peak‑time usage
Use stored energy during expensive daytime rates.
16kWh, 20kWh or 32kWh
Quick recommendation based on home load requirements and usage.
Recommended system
If the smaller unit is not suitable, we’ll recommend the 20kWh or 32kWh system instead.
Demo visuals of GridVault in different home scenarios.
The scheme

How GridVault helps reduce electricity costs

Charge at low rates, use at high rates — with a simple recommendation process.

1) Quick qualification

Answer 10 questions. You’ll see which GridVault system is best suited to your home.

2) Reserve your place

Based on your answers, we’ll recommend the right system for your home and you can reserve your place for the upcoming shipment delivered in Q2 2026. No charge at this point.

3) Confirm or upgrade

If the 16kWh system is not suitable, we’ll recommend the 20kWh or 32kWh option after reviewing your latest electricity bill.

Home scenarios

Fits a modern home setup

GridVault is designed for use in a home, garage, or a well‑ventilated IP65‑rated enclosure. It is not an outside unit.

What you’ll get

• 16kWh, 20kWh or 32kWh check in seconds
• Shipment reservation option (Q2 2026)
• Alternative solutions if required
• Clear next steps and support