Octopus Energy Solar Panels Review 2026: Pricing, Export Tariffs and Trusted Partners

Octopus Energy has become one of the most recognisable names in UK solar — but the picture is more nuanced than it first appears. In some areas Octopus installs panels directly through their own MCS-certified teams; in others they refer customers to a network of vetted third-party installers called Trusted Partners. Layer on top of that the Outgoing Octopus export tariff, the Flux time-of-use tariff and the Intelligent Octopus Go benefit for EV drivers, and you have an ecosystem worth understanding before you commit. This review is written for Profile 2 buyers: people who are serious about going solar, have done some reading, and want an honest assessment rather than a sales pitch.

What Octopus Energy actually offers for solar

Octopus runs a solar installation service alongside their energy supply business. Unlike some energy suppliers who simply white-label a third party, Octopus has invested in in-house installation capacity — though coverage is not yet nationwide. Where their own engineers are available, they offer a full end-to-end service: roof survey, installation, inverter commissioning and sign-off. Where direct coverage doesn't yet reach, they route customers through their Trusted Partners network (more on that below).

Typical packages pair JA Solar monocrystalline panels — a Tier 1 manufacturer — with either Enphase microinverters (carrying a 25-year warranty) or Fox ESS string inverters (12-year warranty). Panel efficiency sits at around 21%, which is competitive with mainstream residential modules. Octopus quote a 4–6 week timeline from initial survey to a completed install, which is broadly consistent with industry norms for organised supply chains.

Regions covered vary and Octopus are open about this: the online quoting tool will tell you quickly whether direct installation is available at your postcode. If it isn't, a Trusted Partner installer will be proposed instead. In both cases you'll be covered by MCS certification, which is the baseline required for SEG payments and for any applicable grant schemes.

Octopus solar pricing

Octopus publish indicative pricing, which is relatively unusual in a market where most installers only quote after a survey. Based on their published packages, expect to pay roughly:

• Entry two-panel system: from around £6,200
• 4 kWp system with string inverter (Smart package): from around £7,400
• 4 kWp system with Enphase microinverters (Optimised package): from around £8,700

These are indicative figures — final prices depend on your roof, location and any scaffolding requirements. For context, the market range for a 4 kWp system in 2026 sits broadly between £6,000 and £9,000 from established MCS installers, so Octopus pricing falls within the mainstream band rather than at either extreme. Our solar panel cost guide sets out what drives price differences and what to check on any quote.

VAT on solar panels is currently 0% for domestic installations in Great Britain — a policy that applies regardless of which installer you use.

Outgoing Octopus: the export tariff

Once your solar system is installed, you'll want to get paid for the electricity you export to the grid via the Smart Export Guarantee (SEG). Octopus's flagship fixed-rate export tariff — Outgoing Octopus — pays a flat 12p/kWh for every unit you export. This rate was reduced from 15p/kWh in March 2026, the first change since wholesale costs spiked in 2022. Even at 12p it remains one of the stronger fixed-rate SEG offers from a major supplier.

Important condition: Outgoing Octopus at 12p/kWh is only available to customers who also import electricity from Octopus. If you'd rather keep your import with a different supplier, Octopus offer a standalone SEG-compliance tariff at around 4p/kWh — significantly less.

For a typical 4 kWp household exporting roughly 1,500–2,000 kWh per year, Outgoing Octopus at 12p generates around £180–£240 annually in export income. Our dedicated Smart Export Guarantee guide explains how to register and what to expect from your first payment.

Octopus also offer Outgoing Agile, a half-hourly variable export tariff tracking wholesale prices. On sunny weekday afternoons when wholesale prices can dip near zero (or below), this pays poorly. On winter evenings it can pay 20–30p/kWh. It suits homes with a battery that can hold export back until prices rise — otherwise the fixed 12p rate is more predictable.

Octopus Flux: solar + battery time-of-use tariff

If you have both solar panels and a home battery, the Octopus Flux tariff restructures your import and export pricing around three daily windows:

• Off-peak (02:00–05:00): charge your battery at a lower import rate (around 8–9p/kWh)
• Standard daytime and evening: normal import rate (around 22–26p/kWh)
• Peak (16:00–19:00): expensive to import (around 35–40p/kWh) but the best export rate (around 25–32p/kWh)

The strategy is straightforward in principle: charge the battery cheaply overnight, use solar during the day, and export stored energy — or defer your own peak consumption — during the 16:00–19:00 window. Done well, this can outperform a flat SEG rate by a meaningful margin for households with a reasonably sized battery (typically 5 kWh or more).

As of late May 2026, standard Flux was temporarily unavailable to new sign-ups. Intelligent Octopus Flux — an automated version that uses smart control to schedule your battery — remains available for compatible systems and removes the need to manually programme charge/discharge cycles. If you are considering solar plus battery storage, confirm Flux availability at the point of installation, as it is one of the more compelling reasons to keep your energy supply with Octopus. See our are solar panels worth it guide for how export tariffs factor into overall system payback.

Intelligent Octopus Go and solar

For households with an electric vehicle as well as solar, Intelligent Octopus Go adds cheap overnight import rates for EV charging (around 7p/kWh during the cheap window). Combined with daytime solar generation and a good SEG export rate, this can stack up the savings from a single energy account. We cover this angle in detail in our upcoming Octopus EV charger review.

ECO4 and Octopus Energy

The Energy Company Obligation (ECO4) scheme — government-funded support for energy-saving measures in lower-income and vulnerable households — is one scheme Octopus participates in. However, solar PV under ECO4 is only available where the property uses electric heating (heat pump, electric storage heaters, or similar). Most UK homes with gas boilers do not qualify for ECO4 solar. ECO4 is currently extended to December 2026. Our solar grants guide covers ECO4 eligibility in full alongside all other available schemes, including the Warm Homes Plan and the 0% VAT exemption that any buyer can access immediately.

The search term octopus eco 4 suggests some buyers assume Octopus Energy has a dedicated low-income solar product separate from ECO4. They do not — their ECO4 involvement is as an obligated energy supplier participating in the wider industry-funded scheme, not a standalone Octopus-only offer.

The Octopus Trusted Partners scheme explained

Where Octopus does not install directly, they refer customers to their Trusted Partners network — a curated panel of third-party MCS-certified installers who have passed Octopus's vetting process. That process involves three layers of review: customer service track record (public reviews, website, social channels); technical accreditations (MCS certification, OZEV approval for EV chargers, consumer standards bodies such as HIES or RECC); and background business checks (insurance, registered company details). Post-installation, Octopus carry out follow-up checks to confirm quality standards were met.

From a customer's point of view, a Trusted Partner install means you're dealing with a third-party business, not Octopus directly. Contracts, warranties and after-sales responsibility sit with the installing company. The Octopus branding provides a degree of pre-selection comfort, but you should still verify the installer's own reviews and MCS certificate independently. Not all Trusted Partners cover all areas, so availability varies by postcode.

Verdict: is Octopus solar worth it?

For an informed buyer comparing routes, here is an honest assessment:

The case for Octopus: The combination of transparent indicative pricing, quality-controlled installer access, and tightly integrated export tariffs (Outgoing Octopus, Flux) under one account is genuinely useful. If you plan to stay with Octopus for energy supply long-term, the ecosystem stacks up well — particularly for solar-plus-battery households eyeing Flux or Intelligent Octopus Go for an EV.

The case for going direct: Sourcing your own MCS installer independently — perhaps through the MCS installer database or recommendations — can offer more competitive pricing in areas where Octopus coverage is sparse or where Trusted Partners are the only route. Independent installers are not limited to Octopus's preferred panel or inverter choices, and you can pair any SEG-eligible installation with Outgoing Octopus regardless of who installs it. You don't need to use an Octopus installer to access Octopus's export tariffs.

Our steer: Get a quote through Octopus's portal alongside one or two quotes from independent MCS installers. Compare on total installed cost and panel/inverter specification, not brand alone. Then choose the export tariff that fits your usage pattern — Outgoing Octopus Fixed at 12p/kWh is a reasonable default for most, with Flux worth considering if you're adding battery storage. When you're ready to move forward, our best solar panels guide can help you evaluate what's being proposed on the hardware side.