Installer research

Research a shortlist of UK solar installers in one clearer view

Use this page to research a shortlist of UK solar installers across pricing context, warranties, finance, service features, and buying considerations before visiting provider websites.

Affiliate disclosure: HelioMatch may earn commission from some provider links on this page at no extra cost to you. This research is editorial in nature, and users should verify pricing, warranty, accreditation, and finance details directly with each installer before making a decision.

Always verify MCS certification, postcode coverage, export tariff compatibility, and current finance terms directly with the provider before purchase.
  • 10-provider editorial shortlist
  • Pricing, warranty, finance, and service context
  • No lead forms added
Lower upfront cost Useful if price matters most, but always review system size, equipment quality, and support.
Premium equipment Useful if you care more about hardware choice, warranty depth, and long-term support than the lowest price alone.
Aftercare and service Look beyond headline savings and review workmanship cover, complaint handling, and ongoing support.
Tariff and battery fit Some homes benefit more from battery controls, export setup, and smart tariff compatibility than headline panel price alone.
Important: This page is an editorial research aid, not a whole-of-market survey. Prices, warranty terms, finance offers, service features, and accreditation status can change, so users should verify the current position directly with each installer before relying on any listing.
Editorial note: Shortlists can change when company ownership, operating status, or service availability changes. Soly has been removed from this shortlist following the bankruptcy of its parent company in November 2025 and the later sale of selected assets and customers to Otovo in December 2025.
Still worried about trust? Read how to choose a solar installer without getting burned if your main hesitation is workmanship, aftercare, or choosing the wrong company.
Before you compare quotes: Read the UK solar cost guide if you want a clearer picture of what can move pricing up or down before reviewing installer options.
Unsure about batteries? Read how solar works at night in the UK if you want a clearer sense of what happens after sunset and when battery storage really changes the economics.
Installer research

UK solar installer research guide

Use the tabs below to review overview information, indicative pricing, warranty context, finance notes, service features, summary guidance, and legal disclaimers.

This overview is an editorial snapshot rather than a whole-of-market survey. Company positioning, product scope, finance routes, warranty terms, and accreditation status can change, so users should verify the current position directly with each provider.

Company Coverage Offer style Positioning Current accreditation signal Review note
Solar4Good UK coverage claimed Solar, battery, EV and wider renewable offering Service-led residential route MCS, HIES, NAPIT, TrustMark Verify current product mix and regional availability directly
Project Solar UK Broad UK coverage Solar and battery packages Warranty-led and finance-friendly positioning MCS, HIES, NAPIT, FCA Check current package structure and finance terms directly
Glow Green Broad UK coverage claimed Solar, batteries and wider home-energy offer Broad all-round residential positioning Verify current status directly Useful where users want an all-round proposition rather than a narrow niche offer
Octopus Energy Solar Broad UK coverage claimed Solar, battery and tariff-linked packages Tariff and export integration angle MCS standards referenced; verify current accreditation status directly Strong fit for users focused on smart tariffs and supplier ecosystem
OVO Solar Broad mainland UK coverage claimed Solar, battery and supplier-linked packages Energy-supplier and export-rate route Public solar pages reference MCS-accredited installation; verify current status directly Strong fit for users who care about supplier integration, battery storage, and export economics
Sunsave England and Wales focus / verify current coverage Solar-plus-battery and monthly-payment routes Monthly-payment and guarantee-led positioning MCS, Flexi-Orb, RECC, TrustMark, EPVS, NAPIT, Which? Trusted Trader Best treated as a specialist finance-led proposition rather than a standard installer comparison
Heatable Broad UK coverage claimed Online-first solar and battery journey Speed and convenience angle MCS, RECC, NAPIT, Which? Trusted Trader Verify current workmanship terms directly because public wording varies by page
So Energy Broad UK coverage claimed Solar, battery and supplier-linked packages Energy-supplier route MCS, RECC, EPVS Strong fit where tariff and supplier relationship matter alongside installation
Effective Home Broad UK coverage claimed Solar, battery and wider home-energy proposition Mainstream residential route MCS, TrustMark, NICEIC Verify current finance and installation partner structure directly
Geo Green Power Nationwide commercial; domestic coverage should be checked directly Residential and commercial renewable systems Larger-project and broader renewable angle MCS, NICEIC, RECC, TrustMark, CHAS, ISO 9001, ISO 14001 Especially relevant where users want a more established wider-renewables provider
Public solar pricing is highly unstable and often depends on roof shape, system scope, battery size, scaffolding, electrical work, and installer assumptions. This section is designed to compare pricing visibility and commercial structure rather than pretend every provider can be mapped cleanly to one static price table.
Company Public pricing visibility Solar-only price signal Battery price signal Finance / payment signal Buyer note
Solar4GoodLimited public pricingQuote-ledQuote-ledVerify current payment routes directlyUseful to treat as a quote-required provider rather than a public-price benchmark
Project Solar UKPackage-led and quote-led mixPublic package positioning visibleBattery packages availableFinance availableCheck exact system size, battery scope, and finance structure directly
Glow GreenMainly quote-ledQuote requiredQuote requiredFinance routes advertisedLess useful as a fixed-price reference, more useful as a mainstream proposition benchmark
Octopus Energy SolarPublic pricing examples availableYesYesFinance availableOne of the clearer public-pricing references, but still verify current quote assumptions
OVO SolarPublic package and finance messaging visiblePublic package pricing cues visibleBattery package pricing cues visibleFinance availableUseful where users want a supplier-led route with a strong export-rate angle
SunsavePublic starting pricing visibleSolar-plus-battery framing more typicalUsually built into propositionMonthly-payment route central to offerCompare as a finance-led proposition, not like-for-like with simple cash-install quotes
HeatablePublic quoting / online journey availableBroad public pricing cues availableBattery add-on availableFinance availableVerify current installed scope and workmanship cover directly
So EnergyPublic offer and finance messaging visibleQuote and package context availableBattery options public0% and longer-term finance routes publicStrong fit where users care about supplier-led solar plus payment options
Effective HomeLimited fixed pricingQuote-ledQuote-ledFinance / cashback style messaging visibleVerify current package structure, funding route, and exact product scope directly
Geo Green PowerBroad public cost context availableDomestic cost guides publicBattery quote-ledFinance availableBetter treated as a larger established renewables provider than a simple flat-price benchmark

Warranty structures change frequently and are sometimes described differently across landing pages, package pages, and legal terms. Use these notes as buying context only and verify all current terms directly with the provider before relying on them.

Company Panel / product signal Battery signal Workmanship signal Best interpretation
Solar4GoodLong-term product and performance style cover referencedBattery cover available; verify current terms directlyVerify current workmanship term directlyUseful to review as a service-led installer with formal accreditation backing
Project Solar UKVery strong long-term panel warranty messaging10-year style battery cover referenced10-year workmanship / labour style messagingOne of the strongest public warranty-led positions in the set
Glow GreenLong-term panel warranty messaging publicBattery cover available; verify current terms directly5-year workmanship referenced publiclyCheck product-specific terms rather than relying on one headline warranty number
Octopus Energy SolarPublic long-term panel and equipment messagingBattery terms product-dependentVerify current workmanship wording directlyUseful where users care more about supplier ecosystem than headline workmanship promise
OVO SolarVerify current panel and product-specific terms directlyBattery terms product-dependentVerify current installation and workmanship wording directlyBest treated as a supplier-led proposition where tariff and export economics may matter as much as headline hardware choice
SunsaveStrong public guarantee / warranty framingBattery included in proposition; verify current product terms directly2-year workmanship referenced on upfront product pageRead the guarantee structure carefully because the proposition is not a simple standard installer model
HeatableLong-term panel style messaging publicBattery cover product-dependentPublic wording varies across pages; verify directlyDo not rely on one workmanship figure without checking current terms page
So EnergyLong-term panel positioning publicBattery options public; verify current product-specific warranty5-year workmanship referenced publiclyCheck current offer wording directly because finance and supplier bundle may affect package structure
Effective HomeVerify current panel product terms directlyVerify current battery terms directlyVerify current workmanship terms directlyTreat warranty comparison here as a prompt for further checking rather than a final answer
Geo Green Power25-year style panel warranty messaging publicBattery terms available; verify current product detail directly24-month installation warranty referenced publiclyUseful where buyers want a longer-established renewables contractor with visible accreditation stack

Finance terms, monthly costs, eligibility, and lender relationships can change quickly. This section should be treated as commercial structure context only, not as financial advice or a substitute for current provider terms.

Company Finance signal Public positioning What users should check
Solar4GoodVerify directlyFinance routes not clearly central to public propositionCurrent lender, repayment structure, and eligibility
Project Solar UKFinance availableFinance-friendly mainstream propositionTotal repayable amount, deposit, term length, and FCA disclosures
Glow GreenFinance availableMainstream consumer finance routeCurrent lender panel, APR structure, and quote assumptions
Octopus Energy SolarFinance availableSupplier-linked solar and battery routeCurrent product structure, monthly cost, and tariff assumptions
OVO SolarFinance availableSupplier-linked solar and battery routeCurrent lender route, eligibility, and total repayable amount
SunsaveMonthly-payment route central to propositionOne of the clearest finance-led propositions in the marketOwnership structure, long-term value, cancellation rights, and total cost over time
HeatableFinance availableOnline-first quoting and finance journeyCurrent loan terms, deposit, and lender details
So EnergyFinance strongly visible publiclySupplier-linked 0% and term-based finance routeCurrent eligibility, 0% conditions, and total repayable amount
Effective HomeFinance / partnership-led route visibleMainstream proposition with funding angleCurrent funding mechanics, lender route, and package detail
Geo Green PowerFinance availableBroader renewables and credit-broker style routeCurrent lender arrangements, introducer status, and total repayment terms
Company Solar Battery Other services Best fit signal
Solar4GoodYesYesEV charging and wider renewable servicesService-led broad home-energy route
Project Solar UKYesYesStrong package-led and warranty-led positioningUsers who want strong headline warranty framing
Glow GreenYesYesBroader heating and home-energy propositionUsers who want a broad mainstream route
Octopus Energy SolarYesYesTariff ecosystem and smart energy integrationUsers focused on supplier ecosystem and smart tariffs
OVO SolarYesYesSupplier-linked route, battery storage, and export tariff propositionUsers who want one brand involved in installation, battery logic, and selling power back to the grid
SunsaveYesYesMonthly-payment proposition central to offerUsers considering a finance-led or subscription-style route
HeatableYesYesOnline-first quoting journeyUsers who value speed and convenience
So EnergyYesYesSupplier-led route, finance, and energy relationshipUsers who care about supplier integration and finance flexibility
Effective HomeYesYesBroader home-upgrade propositionUsers who want a mainstream residential route
Geo Green PowerYesYesEV, heat pumps, commercial renewables, maintenanceUsers who may value a broader and more established renewable contractor
Best use of this page

Use it as structured market context, not as a final buying answer

This page works best when users want a clearer way to compare provider style, finance route, warranty emphasis, and service structure before they request live quotes.

Best value lens

Compare scope before price

The strongest buying decision usually comes from comparing scope, warranty depth, finance structure, and aftercare before focusing too heavily on the lowest visible price.

Best trust lens

Check current accreditations and terms directly

Where accreditation, warranty, or finance detail matters to the purchase decision, users should verify the current position directly with the provider before relying on any listing summary.

Best next step

Move from broad context to your own situation

Users who want a rough estimate should start with the calculator. Users who already know they want solar should use this page to narrow what they want to compare in live quotes.

Important legal disclaimer

This page is provided for general informational and editorial research purposes only. It does not constitute financial, legal, technical, engineering, or investment advice.

Prices, product scope, warranties, accreditations, service features, finance routes, lender relationships, and company positioning can change over time. Where the current position matters, users should verify it directly with the provider before relying on any listing or summary.

HelioMatch does not claim to represent the whole market, include every company, or present all companies on equal terms. Companies may appear because of editorial relevance, commercial relationships, or a combination of both, depending on the page and the context.

Nothing on this page removes the need for direct due diligence. Users should always check the provider’s own quote, specification, warranty terms, privacy notice, and contract wording before making a purchase decision.

Want a budget baseline before choosing?

Use the solar ROI calculator to estimate system size, payback, and yearly value before acting on any installer option.

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