May 2026 · 6 min read · By Greener Solar Solutions
EV registrations in the UK passed a million in 2024 and are still rising. For households with a driveway or off-street parking, a home EV charger is roughly two-thirds cheaper to run than public charging.
Pair that EV charger with solar panels and a battery, and the running cost of your car can drop to almost zero during the sunnier months. This is one of the strongest investment cases of 2026 — particularly for Gatwick-area commuters in Crawley and Sussex coast residents driving longer summer trips.
The maths
A typical UK driver covers about 8,000 miles a year, using roughly 2,400 kWh of electricity in an EV. Here’s what that costs depending on how you charge:
| Charging method | Cost per kWh | Annual cost (8,000 miles) |
|---|---|---|
| Public rapid charger | 60–80p | £1,440 – £1,920 |
| Home charger, standard tariff | 28p | £672 |
| Home charger, EV tariff overnight | 7p (Octopus Go etc.) | £168 |
| Solar + smart EV charger (summer) | 0p (surplus solar) | £0 |
| Solar + smart EV charger (year-round, partial) | Mixed | £200 – £400 |
For a household with solar + smart EV charger, annual EV running costs typically drop to £200–£400 a year. That’s roughly the cost of one tank of petrol.
How smart EV chargers work with solar
A smart EV charger can be configured to monitor your home’s import/export balance in real time. When solar generation exceeds household demand, the surplus flows to the EV instead of to the grid.
Three modes you’ll see on most smart chargers:
- ECO+ / Solar Only — only charge from surplus solar. Slowest charging but free.
- ECO / Boost with Solar — boost charging speed by pulling grid power as needed, but prioritise solar when available.
- FAST / Grid — full-speed charging from grid power. Use when you need a full charge fast.
Best smart EV chargers for solar in 2026
Myenergi Zappi
The market leader for solar integration. UK-made, well-supported, three charging modes (Fast, Eco, Eco+), retrofits to existing solar systems easily. £900–£1,100 installed.
- Strengths: Solar-first design, excellent app, integrates with myenergi ecosystem (iboost, libbi battery)
- Weaknesses: Premium price
- Best for: Households who want best-in-class solar integration
Ohme Home Pro
Strong alternative. £900–£1,000 installed. Particularly good integration with Octopus Energy’s intelligent tariffs — Ohme can smart-charge based on dynamic Octopus prices.
- Strengths: Best dynamic-tariff integration, sleek design, OZEV approved
- Weaknesses: Solar mode less mature than Zappi
- Best for: Octopus Go / Intelligent Octopus customers
Hypervolt Home 3 Pro
Newer entrant getting strong reviews in 2026. UK-made, sleek design, solar matching mode. £900–£1,000 installed.
- Strengths: Modern app, good solar integration, attractive design
- Weaknesses: Less ecosystem integration than Zappi/Ohme
- Best for: Design-conscious homeowners wanting a clean install
Andersen A2
Premium customisable option. £1,200–£1,500 installed. Hides cables internally, customisable colour. Solar integration via the app.
- Strengths: Best-looking charger on the market, hidden cables
- Weaknesses: Premium price
- Best for: Premium homes where the aesthetic matters
Do I need a battery to charge an EV from solar?
Not strictly — a smart EV charger can charge directly from surplus solar. But a battery helps in two ways:
- Charges your car overnight from stored solar — great for commuters who can’t leave the car plugged in during the day
- Smooths out variable solar generation — cloudy days don’t mean immediate switch to grid power
The most cost-effective setup for many UK households is: solar + battery + smart EV charger + dynamic tariff (Octopus Go or Intelligent Octopus). Charge the car from solar during the day, top up overnight at 7p/kWh on the cheap tariff.
Combined install: solar + battery + EV charger
Doing all three at once is significantly cheaper than doing them separately. A single scaffold visit, one electrician callout, one set of cabling runs.
Typical 2026 pricing for a full combined install on a Sussex semi-detached:
| Install | Standalone total | Combined install |
|---|---|---|
| 4kW solar | £7,000 | — |
| 10kWh battery (added later) | +£5,000 | — |
| Smart EV charger (added later) | +£1,000 | — |
| All three at once | £13,000 | £11,500–£12,500 |
Special case: Crawley and Gatwick commuters
Crawley has particularly high EV uptake — Gatwick employees, London commuters via the M23, and a younger demographic skewing towards EV adoption. We’ve done lots of solar+battery+EV combined installs in Crawley, Three Bridges, Pound Hill, Maidenbower, Forge Wood and around the airport.
Typical Crawley commuter profile: 20–30 miles a day to Gatwick or up the M23. Plug in when home around 6–7pm. Battery charges overnight from cheap tariff, fully charged at 7am for the morning. Solar tops up the battery during the day. Annual EV running cost: typically £150–£250.
Bottom line
Pairing solar with a smart EV charger is one of the highest-return upgrades available to UK households in 2026 — particularly for higher-mileage drivers. The financial case stacks: cheap home charging on a smart tariff, free or near-free charging from solar in summer, fewer miles on public chargers.
We install solar, batteries and EV chargers as a combined package across Sussex. Combined installs are typically 5–10% cheaper than doing them separately, and the system works as one integrated whole from day one.
Get a combined solar + EV quote
Related guides
- Our EV Charger Service — OZEV-approved EV charger installation.
- UK Solar Battery Guide 2026 — Which battery to choose for solar + EV setups.
- Solar Panels Crawley — Particularly relevant for Gatwick commuters.
