The myenergi Zappi is the UK’s best EV charger for solar panel owners, with three charging modes that let you run your car on 100% free sunshine. At £1,100–£1,500 installed, it costs more than rivals — but the 1–2p per mile running cost on solar makes up the difference fast. A 3-year warranty holds it back slightly.
- Best-in-class solar integration - Eco+ mode charges exclusively from solar panels, cutting EV running costs to 1-2p per mile
- Three intelligent charging modes - Fast (max grid speed), Eco (solar priority with grid top-up), and Eco+ (100% solar only)
- UK-designed and manufactured in Lincolnshire - built in Stallingborough with over 500,000 devices shipped and 400+ employees since founding in 2016
- Built-in PEN fault detection - saves £100-£150 on installation costs by eliminating a separate earth rod
- Unit price from £779 - installed cost typically £1,100-£1,500 depending on cable run and consumer unit upgrades
Myenergi Zappi Pricing Breakdown
The Zappi is not the cheapest home EV charger on the market. You pay a premium for the solar integration technology and the British-built hardware. Here is what you can expect to pay in 2026.
| Item | Cost | Notes |
|---|---|---|
| Zappi v2.1 unit (tethered, 7kW) | From £779 | Includes 6.5m cable, built-in Wi-Fi |
| Zappi v2.1 unit (untethered, 7kW) | From £749 | Requires separate Type 2 cable |
| Zappi v2.1 (three-phase, 22kW) | From £949 | For commercial or three-phase domestic supplies |
| Standard installation | £300–£700 | Depends on cable run length, consumer unit work |
| Typical total installed cost | £1,100–£1,500 | Single-phase tethered with standard install |
| OZEV grant (if eligible) | –£350 | Available to renters and flat owners only |
For context, a basic 7kW charger like the Easee One or Ohme Home Pro starts from around £800–£1,000 installed. See our best home EV chargers guide for full comparisons. The Zappi’s premium is typically £200–£400 — which solar owners can recoup within 12–18 months through reduced charging costs.
Key Features: Three Charging Modes Explained
The Zappi’s headline feature is its ability to intelligently manage solar energy. Unlike most chargers that simply draw from the grid, the Zappi monitors your solar generation in real time and adjusts accordingly. Here is how each mode works.
Fast mode charges at the maximum available rate (7kW single-phase or 22kW three-phase), drawing entirely from the grid. This is identical to how any standard EV charger operates and is the mode you would use when you need a full charge quickly — overnight on a cheap tariff, for instance.
Eco mode prioritises solar energy but tops up from the grid when your panels are not generating enough. If your solar array is producing 3kW and you need 7kW to charge, the Zappi draws 3kW from your panels and 4kW from the grid. This is the best everyday setting for most solar owners.
Eco+ mode is the standout. It charges exclusively from surplus solar energy — zero grid draw. The charger pauses when clouds roll over and resumes when generation picks up. Your cost per mile drops to 1–2p compared with 6–8p on grid electricity. The trade-off is slower, weather-dependent charging.
Solar Compatibility: Why the Zappi Leads
No other mainstream home EV charger matches the Zappi’s solar integration. Competitors like the Ohme Home Pro and Easee One can schedule charging around cheap tariffs, but they cannot dynamically divert surplus solar energy to your car. That capability is built into the Zappi’s hardware — it is not a software add-on.
The Zappi connects to your solar system via a CT clamp (included) or the wireless Harvi sensor (sold separately). It reads real-time generation and household consumption, then diverts only the genuine surplus to your EV. The system also integrates with myenergi’s wider ecosystem: the Eddi hot-water diverter and the Libbi home battery. Together, they form a complete energy management system. Our solar panels and EV charging guide explains how to size a combined system.
A typical 4kW solar array in the Midlands generates around 3,400kWh per year. If you divert 30% of that to your EV via Eco+ mode, you get roughly 1,020kWh of free charging — enough for around 4,000 miles. At current grid rates, that saves approximately £250–£300 per year.
Smart Features and the Myenergi App
Since the v2.1 update, the Zappi has built-in Wi-Fi and Ethernet — no separate hub required. The myenergi app (iOS and Android) lets you set charging schedules, monitor energy usage, switch between modes, and view historical data. It is functional rather than flashy, but it covers the essentials.
Smart tariff integration is a genuine strength. The Zappi works with Octopus Intelligent Go and Gridpay, automatically charging during the cheapest off-peak slots. Combined with Eco mode, you can prioritise solar during the day and cheap grid electricity at night — minimising your cost per mile around the clock.
The charger is IP65-rated for full outdoor use, and the tethered variant comes with a 6.5m cable — longer than most competitors’ standard 5m offerings. Both black and white finishes are available.
Installation: What to Expect
The Zappi has a significant installation advantage over many rivals: built-in PEN fault detection. Most other chargers require a separate earth rod to be installed (a metal spike driven into the ground outside your property), which adds £100–£150 to the installation cost. The Zappi handles this electronically, saving both money and disruption.
A standard installation typically takes 2–3 hours and costs £300–£700 depending on your setup. It involves mounting the unit on an exterior wall, running a cable back to your consumer unit, and configuring the Wi-Fi connection. If your consumer unit needs upgrading or the cable run is longer than 10 metres, expect additional costs.
You should always use an OZEV-approved installer who is also registered with a competent persons scheme (NAPIT, NICEIC, or similar). If you are a renter or flat owner, you may be eligible for the £350 OZEV grant towards installation costs.
Myenergi Zappi: Pros and Cons
Who Should Buy a Zappi?
The Zappi is the obvious choice if you already have solar panels or plan to install them. No other charger at this price point offers genuine solar diversion with three configurable modes. It also suits anyone building a myenergi ecosystem with the Eddi or Libbi units.
If you do not have solar panels and have no plans to install them, the Zappi is harder to justify. You are paying a £200–£400 premium for solar features you will never use. In that case, a smart charger like the Ohme Home Pro or Easee One offers comparable grid charging at a lower price with a longer warranty.
Our Verdict
The myenergi Zappi earns an 8.0/10 and remains the best home EV charger for solar panel owners in 2026. Its three charging modes, built-in PEN detection, and UK manufacturing set it apart from every competitor. The 3-year warranty and higher installed cost are the only meaningful drawbacks. If you have solar, buy the Zappi. If you do not, look elsewhere.
The Zappi is the best EV charger for solar panel owners. Its Eco+ mode charges exclusively from solar surplus — no other charger does this as well. The 3-year warranty and higher installed cost are the trade-offs, but if you have solar panels, the annual savings make it worthwhile.
