Guarantees & accreditations

Proper checks, trusted partners and clear guarantees

Commercial solar is a long-term asset. Solar Britain works with vetted UK installers and finance partners so the warranties, accreditations and grid compliance behind every project are documented in writing - not just promised.

Installer partner

Energy Saving Pro

Energy Saving Pro is one of Solar Britain's installer partners. Its credentials include RECC accreditation, MCS registration and insurance with Allianz.

Consumer protection
RECC accredited
Installation certification
MCS registered
Insurance provider
Allianz

Accreditation certificate numbers are not yet published here. The nominated installer's current certificates, certification scope and insurance cover should be confirmed for your project before works begin.

Case study

Bridlington Centre

An 81 kW solar system installed alongside battery storage and EV charging, with zero capital expenditure and a reported 50% reduction in electricity bills.

Solar system size
81 kW
Capital expenditure
£0
Reported bill reduction
50%

Project details supplied by Solar Britain. The bill-reduction figure is reported; its measurement period and calculation basis are not published here. Zero capital expenditure does not mean electricity or the financing arrangement is free. Results and funding terms depend on the individual site and are not a guarantee of savings for other projects.

Request a free feasibility review for your site

Product and performance warranties

Panel performance warranty

Tier-1 panel manufacturers typically guarantee at least 84–87% of rated output after 25 years. Exact figures are confirmed in your written proposal.

Panel product warranty

Manufacturer product warranties commonly run 12–25 years against defects, with the specific term shown alongside the panel selected for your site.

Inverter warranty

Commercial-grade string and central inverters carry 5–10 year standard warranties, with extensions available. The brand, term and extension cost are itemised.

Workmanship warranty

Installation-backed workmanship warranty covering mounting, cabling, weatherproofing and installation defects, typically for a minimum of 2 years.

Monitoring & O&M

Remote performance monitoring and optional preventative maintenance packages keep the system producing as designed across its working life.

Grid compliance (G99)

Larger commercial systems require a G99 application to the relevant DNO. Solar Britain partners manage the application, witness testing and final acceptance.

Installer credentials

Every project is delivered by a UK installer vetted against the credentials below. Specific certificates, scope and reference projects for your nominated installer are shared as part of the feasibility and proposal stage.

MCS or equivalent

MCS (or commercial-grade equivalent) certification for the design and installation of grid-connected solar PV systems.

NICEIC / NAPIT electrical

Electrical contractor registration with a recognised UK competent person scheme.

CHAS / SafeContractor

Health & safety pre-qualification through CHAS, SafeContractor or an equivalent SSIP-recognised scheme, covering working at height and CDM.

Insurance

Public liability cover of £5m or more and professional indemnity appropriate to project scale, confirmed before any works commence.

Vetted finance partners

Asset finance, lease and PPA introductions are made only through UK lenders and funders with experience underwriting commercial solar.

Documented handover

On completion you receive an O&M manual, electrical certificates, DNO acceptance, warranty registrations and monitoring access in a single handover pack.

See Energy Saving Pro's partner profile above. Current accreditation certificates and insurance details for your nominated installer form part of the project checks.

For the panels, inverters and battery storage typically specified - with warranty terms and manufacturer datasheets - see our standard hardware warranties and terms.

Ready to see whether your roof could reduce your energy bills?