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Solar Repair & Support in Hull

Hull and the East Riding have some of the best solar conditions in Yorkshire — flat terrain, open skies, and no hillside shading to contend with. The city saw heavy uptake during the FiT era, with thousands of systems installed on terraces, semis, and social housing between 2010 and 2014. Those systems are now 10–15 years old, and the inverters are reaching end of life. We're about an hour from our Leeds base and cover Hull regularly.
from £295 free remote diagnostic first · no call-out fee
  • On-site repair from £295
  • Inverter replacement from £995
  • Free remote diagnostic — written report within 24 hrs
Hull solar engineer

Tell us what's happening with your system. We'll confirm whether it needs a remote diagnostic or an on-site visit, and give you a clear price before any work starts. Hull is at the edge of our standard coverage — two to three working days for urgent faults.

Book a visitFree remote diagnostic · no fix, no fee

Independent — not affiliated with any installer or manufacturer.

I work for a Solar Company and had a customer with a GivEnergy system that we are not versed in. Ron took the time to explain the issues my customer was having and between us managed to rectify the issues. 10 Stars ... Thanks again STS

Craig Daly · Jun 2026 Google

My GivEnergy hybrid inverter + battery system had worked faultlessly for 3 years when it suddenly stopped charging and discharging the battery. On contacting my supplier, who had used a sub-contractor for the installation work, I was provided with an email address at GivEnergy but, as it turned out, this is only for GivEnergy Software who are not able to assist. A Google search led to the Solar Tech Support web site, which contains a wealth of helpful information. I requested a remote solar diagnostic, and after providing Ron access to my inverter, he was able to identify and fix the problem within minutes. I am very impressed by Ron’s expertise and knowledge, which included useful information on the current state of GivEnergy Ltd. I would thoroughly recommend Solar Tech Support.

Simon Riddle · Jun 2026 Google

Amazing! I was having trouble with a flat GivEnergy battery and solar panels not working. I contacted through WhatsApp and we managed to get it all sorted within a couple of days! Super fast service. I can’t thank you enough for your help when my installer didn’t want to know and GivEnergy has gone in to administration! I know where to go if anything happens again!

Chrissy For · Oct 2026 Google

Great service from STS after a power cut and brownout left my GivEnergy inverters effectively useless. After filling the enquiry form out I was promptly given clear instructions by email explaining how to run their diagnostic software and they were working remotely in minutes. Soon after my inverters were back running again. Very helpful and knowledgeable people - thank you.

Dan · Oct 2026 Google

We were having problems with our inverter, couldn’t get an early response from our installer a stressed conversation between our installer and solar tech support led to a text to us to authorise connection to your company . Ron was a very helpful and knowledgeable man who tried with a bit of difficulty as we are pensioners and very knowledgeable. Spent time on phone without making us feel small.we would recommend this company if you have any problems. Thanks Ron 5 star

Me and the boss · Aug 2026 Trustpilot

Diligent and reliable service.

Samuel Jakovljevic · Jul 2026 Google
Local Knowledge

Solar in Hull — high yield, ageing hardware, and orphaned systems

Hull was one of the earliest adopters of residential solar in Yorkshire. The city council backed several large-scale installation programmes, and private installers saturated the market during the peak FiT years. The result is a huge install base — but most of that hardware is now over a decade old. The panels are usually still fine; it's the inverters, wiring, and monitoring that need attention.

Flat terrain, maximum solar yield

Hull's flat geography is a genuine advantage for solar. No valley-side shading, no steep hillside orientation issues — most roofs get unobstructed sun from morning through afternoon. Systems here typically generate 10–15% more per kilowatt than equivalent arrays in the hilly parts of West and South Yorkshire. When a Hull system underperforms, the cause is almost always hardware failure rather than site conditions.

Massive FiT-era install base

Hull saw enormous solar uptake between 2010 and 2014 — council-backed programmes, government energy efficiency schemes, and private installers all competing for the generous Feed-in Tariff rates. The typical Hull installation from this era is a 2–4kW array with a Fronius, Solis, or Growatt string inverter on a semi-detached or terraced property. The panels have 25-year warranties and are usually fine; the inverters have 5–10 year warranties and many have already exceeded their expected lifespan.

Humber estuary exposure

Properties closer to the Humber — particularly in Hessle, North Ferriby, and the eastern parts of Hull — are exposed to estuarine weather conditions. Wind-driven moisture can corrode DC connectors, junction boxes, and panel frame earthing over time. This doesn't affect most systems, but where we see unexplained generation drops on Hull properties, connector corrosion is a more common cause than in inland areas.

Battery retrofits gaining momentum

Hull's FiT-era systems are prime candidates for battery retrofits. These arrays generate well but export most of their electricity for a few pence per unit. Adding a GivEnergy AC-coupled battery captures that surplus for evening use or cheap-rate arbitrage. The flat terrain and consistent generation profile means battery economics work particularly well here — but only if the configuration is set up correctly for the homeowner's tariff.

Services

What we do in Hull

Hull has a large base of solar installs from government-backed schemes and the FiT era. Many of these systems are now past their initial warranty period and need specialist support. We remote-diagnose before every repair visit — checking fault codes, generation trends, and monitoring data. No call-out fees. Written pricing before work starts.

Common Problems

What goes wrong with solar systems in Hull

Hull's solar issues are almost entirely age-related. The systems were well-installed on favourable terrain — but the hardware is reaching its limits after a decade-plus of continuous operation.

1
Ageing string inverters reaching end of life

The single most common issue in Hull. Thousands of FiT-era systems installed between 2010 and 2014 used Fronius, Solis, or Growatt string inverters with 5–10 year expected lifespans. Many have now exceeded that. Symptoms: blank display, no generation, intermittent fault codes, or the system switching off during peak sun and restarting later. These units are past economic repair — a modern replacement restores full generation and adds monitoring capabilities the original never had. Inverter replacement →

2
Systems running unmonitored for years

Many Hull FiT-era systems were installed before cloud-based monitoring was standard. The homeowner has no idea what their system generates, whether it's performing as expected, or whether a fault has been developing over months. We've attended properties where the system had been completely offline for over a year without the homeowner realising — the inverter display was facing the wall in a utility cupboard. We set up modern monitoring and establish a performance baseline. Monitoring offline fix →

3
DC connector and junction box corrosion

More common in Hull than inland areas. Exposure to Humber estuary weather — wind-driven moisture with trace salt content — can corrode MC4 connectors, junction box seals, and panel frame earthing bonds over a 10–15 year period. Symptoms: intermittent generation drops that don't correlate with weather, or arc fault warnings on systems with detection. We inspect the full DC wiring chain, replace corroded connectors, and reseal junction boxes. Annual maintenance →

4
FiT export payments — confusion after inverter replacement

Hull homeowners on FiT sometimes worry that replacing an inverter will affect their tariff payments. It won't — the FiT is tied to the MCS installation certificate, not the specific hardware. Your generation and export payments continue at the same rate after an inverter swap. We provide confirmation documentation for your energy supplier and ensure the generation meter continues to read correctly post-replacement. FiT payments stopped guide →

Installer gone bust?

Your Hull installer has closed — we take over from here

Hull's early adoption of solar means many systems were installed by companies that peaked during the FiT boom and no longer exist. National operators, council scheme subcontractors, and local firms — many have closed. Your system still works regardless of who installed it, and the recovery process is straightforward.

Installer not listed? The recovery process is the same regardless of who installed your system. Full installer gone bust guide or book a call.

All Brands

Fronius, Solis, GivEnergy — Hull's brand mix

Hull's solar brand mix reflects its installation timeline. Older FiT-era systems predominantly use Fronius IG and IG Plus inverters, or budget Solis and Growatt units. Newer battery retrofits are almost exclusively GivEnergy. We support all of them — and when an old inverter fails, we can replace it with a modern hybrid unit that adds battery capability to the existing array.

Fronius — IG, IG Plus, Primo, Symo replacement and repair
Solis, Growatt — budget inverter replacement on FiT systems
GivEnergy — battery retrofit, hybrid inverter, configuration
SolarEdge, Sunsynk, Fox ESS, Huawei — all supported
19+ brands — independent, no manufacturer bias
Local Coverage

Areas of Hull we cover

Hull city and the western suburbs. For towns further north and east, see our Beverley coverage page.

Hessle
Cottingham
Anlaby
Willerby
Kirk Ella
Brough
North Ferriby
Swanland
Elloughton
Hedon
Bilton
Sutton-on-Hull

Not listed? If you're in the Hull area, we cover you. Get in touch and we'll confirm availability.

New homeowner

Just bought a house in Hull with solar panels?

Hull has one of the highest densities of residential solar in Yorkshire. If you've just bought a property here, there's a good chance it has panels — and a good chance nobody has maintained or monitored them in years. The installing company may no longer exist, the FiT paperwork may be missing, and there's no way to tell from the ground whether the system is performing. We visit, check everything, and hand you back a system that's properly managed.

System identification — panels, inverter, wiring, generation meter
Performance check against expected yield for roof orientation
Monitoring setup — many Hull systems have never had it
FiT transfer guidance and MCS certificate retrieval
Written condition report and recommendations
FAQ

Solar repair in Hull — common questions

We are in Hull regularly, so although the city sits about an hour from our Leeds base at the outer edge of standard coverage, urgent faults are still normally attended within two to three working days. Scheduled work, from inverter swaps to annual maintenance, is usually booked within the same week. A free remote diagnostic runs same-day for most faults, so the on-site visit starts with the answers already in hand.
Yes. Hull and the East Riding have some of the best solar conditions in Yorkshire. Flat terrain means no hillside shading, and the open landscape gives most properties unobstructed south-facing roofs. Systems here tend to generate more per kilowatt installed than equivalent arrays in the hilly parts of West Yorkshire. The trade-off is exposure — coastal winds and weather can affect panel fixings, wiring, and junction boxes over time, particularly on properties closer to the Humber.
Hull's FiT-era installs mostly run Fronius, Solis, or Growatt string inverters, and when one of those fails, replacement rather than repair is nearly always the economic answer. It costs from £995, covering the new unit, removal of the old inverter, installation, configuration, and commissioning. Brand, model, and system size move the final figure. The free remote diagnostic comes first, so we quote from evidence, not assumptions. Inverter replacement service →
Yes. At STS Solar Tech Support, we cover all of Hull and the western suburbs including Hessle, Cottingham, Anlaby, Willerby, Kirk Ella, Brough, North Ferriby, Swanland, and Elloughton. We also cover Beverley and the wider East Riding — see our Beverley page for the towns further north and east.

Solar panels not working in Hull? Tell us what's happening.

Describe the fault — what you're seeing (or not seeing), the brand if you know it, when it started. We'll come back with a clear plan and price, usually same day. Hull is within our standard coverage — no call-out fee.

  • On-site repair from £295 · inverter replacement from £995
  • Solar panel maintenance from £195
  • Free remote diagnostic — written report within 24 hours

By submitting you agree to be contacted about your diagnostic request. We don't share your data with 3rd parties.

Call 07944 877 329 Book free diagnostic