Skip to content
Independent · Engineer-led · UK-wide

Solar diagnostic & repair services

We fix solar PV and battery storage systems. Remote or on-site, all major brands, transparent pricing. Start with a diagnostic if you're not sure what's wrong — we'll tell you exactly what it will take to fix it.

Remote or on-site — all major brands Transparent pricing — cost confirmed before work MCS-registered engineers · UK-wide
Not sure where to start?

Start with a remote diagnostic. We review your system data and identify the fault — then advise on the best next step. No callout charge, no obligation to proceed.

Book Remote Diagnostic — £75 → View pricing
Specialist services
Annual maintenance visit · from £195

On-site inspection of panels, cabling, inverter, and battery. Electrical safety checks, settings audit, and written maintenance report. All brands.

System recovery

For systems with multiple or cascading faults — where a single repair isn't the right approach. Full diagnostic, prioritised fault resolution, recovery plan.

Independent solar inspection

Pre- or post-purchase inspection report. Suitable for solicitors, surveyors, and buyers of properties with an existing solar or battery installation.

Warranty claim support

An independent engineer's report to support a manufacturer or installer warranty claim. Evidence-based, clearly written, accepted by most manufacturers.

Monitoring account transfer

Transfer monitoring access from a previous owner or installer to your own account. All brands supported. Common after house purchases and installer closures.

Solar system health check

Full remote health check — generation performance analysis, battery health, settings audit, firmware review, and monitoring verification. Written report with priority actions within 24 hours.

DNO export application support

G98 notification and G99 approval paperwork support. For new installations, system upgrades, and cases where the original application was filed incorrectly. From £65.

Post-install snag inspection

Independent inspection after your installer has left. We check physical quality, settings, documentation, and cosmetic finish — then give you a written snagging report. From £195.

Installer technical support B2B

Technical overflow for active installers dealing with a complex fault or needing a reliable aftercare partner. Engineer-to-engineer. From £75.

Inverter replacement

End-of-life or failed inverter? We supply and fit replacement inverters for all major brands — diagnosis, sourcing, install, and commissioning in one service. From £795.

Commercial solar O&M B2B

Independent operations and maintenance for commercial solar PV. Annual inspection £795/year, real-time fault monitoring, emergency repair, system takeover, and independent audits.

Not sure what's wrong?

Use the fault finder to describe your symptoms and get pointed to the right starting point — whether that's a remote diagnostic, a specific problem page, or an emergency callout.

Solar fault finder →

Ready to book?

Tell us what you're seeing — fault codes, lights, what the system is doing. We'll review it and come back with the right service and a proposed time.

Book a diagnostic or repair →
Get started

Not sure which service you need?

Describe what’s happening and we’ll point you to the right starting point — or just book a remote diagnostic and we’ll work it out together.

Remote diagnostic from £75 — covers most faults
Written report included with every session
No fix, no further charge guarantee

By submitting you agree to be contacted about your enquiry.