Tesla Electric UK

 

Last Updated: 15th September 2026, – Status: Licensed, not yet launched

Big news for the UK Energy Market! Tesla has permission to sell electricity to British homes. It hasn’t started yet.

We’re a Tesla Powerwall Premium Certified Installer — one of a small group in the UK, and the only one of our size in the far South West. That means we tend to hear about Tesla energy changes early, and we update this page the moment we’re able to.

No launch date has been confirmed. Anyone telling you otherwise is guessing

Where things stand right now:

Ofgem licence Granted – effective 11 March 2026
Reigons Covered England, Scotland, Wales (Electricity only)
UK Tarriff Information Not published yet
Sign Ups Not available yet
Confirmed Launch Date Not published yet
Our Read A phased launch is most likely, opening to existing Powerwall owners first

What is Tesla Electric? 

Tesla Electric is Tesla’s own electricity supply business. Rather than just selling you the hardware — the battery, the car, the charger — Tesla sells you the electricity that runs through it, and uses its software to decide when your home buys, stores and sells power.
In practice that means one app doing four jobs: your solar generation, your battery, your car charging, and your tariff. Most suppliers hand you a rate and leave you to work out the rest yourself.

In the UK, the licensed entity is Tesla Energy Ventures Ltd. It applied to Ofgem in July 2025 and was granted a full electricity supply licence in March 2026, after a seven-month review.

Important to note: you almost certainly won’t need a Tesla car or a Powerwall to sign up. In Texas, Tesla Electric is open to anyone. The Tesla hardware doesn’t unlock the tariff — it changes how much the tariff is worth to you.

When will Tesla Electric launch in the UK? 

Short answer: nobody outside Tesla knows, and Tesla hasn’t said.

Here’s what can actually be established:

  • The Ofgem licence took effect in March 2026.
  • As of today, no UK rate card, no sign-up page, no launch date.
  • Independent commentary through spring 2026 clustered around late 2026 or early 2027 for a phased start.

Why it’s taking a while. A supply licence is permission, not a business. Before Tesla can bill a single UK household it needs metering arrangements with a registered Meter Operator, settlement coverage through Elexon, billing infrastructure that satisfies Ofgem’s standards of conduct, and a customer service operation that meets licence conditions. None of that is quick, and none of it is visible from outside.

There’s also a commercial question. The GB retail market is not ERCOT. Margins here are thin, the price cap shapes what you can charge, and Octopus has already built the smart-tariff position Tesla would be competing for. A cautious, hardware-owner-first launch is the sensible play, and it’s what we’d expect.

What we’ll do: as a Premium Certified Installer we’re in Tesla’s installer communications. When a date is confirmed, it goes in the status box above and in the updates log below, same day.

What might a Tesla Electric UK Tariff look like?

Tesla hasn’t published UK rates, so anything specific is extrapolation. But the Texas product has been running since late 2022 and its shape is informative — the structure tends to travel even when the numbers don’t.

Three things carry across from Texas fairly reliably:

  1. A cheap overnight window, automated. Your battery and car charge themselves when power is cheap. You don’t schedule anything. This is the bulk of the saving for most homes.
  2. Payment for grid support. Enrolled Powerwalls earn for discharging when the grid is stretched — either as a fixed monthly credit or a variable, higher-ceiling arrangement. (Detail in the next section.)
  3. Export paid at a rate that reflects when you export, rather than a flat pence-per-unit all day.

What Tesla Electric means for a Powerwall Owner?

If you’ve got a Powerwall in, you’re in the strongest position of anyone — and you don’t need to do anything right now.

  • You’re likely first in the queue. Every precedent points to Tesla opening to existing Powerwall owners before the general market. Your hardware is already registered, already communicating, already commissioned.
  • Your battery doesn’t need changing. Powerwall 2 and Powerwall 3 both talk to Tesla’s servers already. Tariff and VPP participation are software-side.
  • Switching supplier won’t require an engineer. A supply switch is a meter and settlement change, not an electrical one.
  • You’re already earning today. You don’t have to sit and wait — see Section 6.

If you’re on a Powerwall 2, the main question is capacity rather than compatibility. Households that sized a battery for a pre-EV, pre-heat-pump life often find the battery is empty by 9pm on a January evening — which caps both bill savings and any future VPP earnings. Worth a conversation.

If you’re on a Powerwall 3, an Expansion Pack adds 13.5 kWh with no new inverter and no new DNO application. It’s the cheapest capacity you can buy per kWh.

Three things carry across from Texas fairly reliably:

  1. A cheap overnight window, automated. Your battery and car charge themselves when power is cheap. You don’t schedule anything. This is the bulk of the saving for most homes.
  2. Payment for grid support. Enrolled Powerwalls earn for discharging when the grid is stretched — either as a fixed monthly credit or a variable, higher-ceiling arrangement. (Detail in the next section.)
  3. Export paid at a rate that reflects when you export, rather than a flat pence-per-unit all day.

What are Virtual Power Plants? What do they actually pay? 

A Virtual Power Plant is thousands of home batteries acting as one. When demand spikes — cold, still, dark, 5pm, everyone home — the grid needs power fast. Historically that meant paying a gas peaker plant a great deal of money to fire up. Increasingly it means asking a few thousand home batteries to each give up a small slice instead. The grid stays stable, and the battery owners get paid.

 

“Will it drain my battery when I need it?” No. Your backup reserve is ringfenced. VPP events only ever draw from the trading portion of the battery, and you set where that line sits.

“Will it wear the battery out?” VPP events are infrequent and shallow — a handful of hours across a year, not daily deep cycling. Powerwall warranty terms are unaffected by participation in Tesla’s own programmes.

On the numbers. Tesla’s US VPP programmes pay in the region of a few hundred dollars per Powerwall per year, structured either as a guaranteed monthly credit or a variable, event-based payment. We’re not going to convert that to sterling and present it as a UK expectation, because the underlying market is different and the UK figure genuinely isn’t known yet. When Tesla publishes, this section gets rewritten with real numbers.

Tesla Electric - Frequently Asked Questions

  • No. Tesla holds an Ofgem electricity supply licence granted in March 2026, but has not published UK tariffs, opened sign-ups or confirmed a launch date.

  • Tesla Electric is the name of Tesla’s retail energy supply brand.

    Essentially this will operate in the UK market similarly to EDF, British Gas, EON or Octopus Energy, whereby homeowners and businesses buy electricity directly from Tesla.

  • Yes, absolutely. Tesla Electric is an independent retail electricity tariff available to everyone. You do not need to own a Tesla car, a Powerwall, solar panels, or any other Tesla hardware to sign up and buy your electricity supply through them.

  • With more details of Tesla Electric’s benefits to Tesla Powerwall owners to be disclosed, here’s some of the key benefits we know so far:

    • Automated savings: Your Powerwall automatically charges when grid electricity is cheapest and discharges during expensive peak hours.

    • Unified software control: Manage your energy market buying, selling, solar production, and battery reserves in real-time through a single Tesla app dashboard.

    • Export optimization & VPP participation: Capitalize on high-demand periods by selling stored energy back to the grid to turn your battery into a revenue source.

    • Smart backup protection: Intelligent software balances grid buying and emergency reserves so you maximize savings without losing outage protectio

  • No official date has been confirmed yet, independent commentary points to later in 2026.  As a Tesla premium certified Installer, we’ll one of the first to know and continue to update this page as and when we get information.

  • Almost certainly not. Tesla’s Texas service is open to anyone. However it’s most likely that having a Tesla ecosystem combined with Tesla Electric will unlock significant additonal benefits for homeowners.

  • No. The Ofgem licence is electricity only. If you use gas you’d need a separate gas supplier.

  • Yes. The portion you set aside for power cuts is ringfenced and isn’t touched during grid events.

  • Waiting doesn’t earn you anything. A Powerwall saves money on tariffs available today, and Tesla Electric would be a switch you make later — not a reason to delay the hardware. Installing now also puts you ahead of any launch-driven installation queue.

  • Naked Solar installs Solar and Battery Systems like Tesla Powerwall throughout the South West. We have dedicated service Hubs in Cornwall, Devon and Bristol to provide a fast and responsive service.