From Mumbles to Morriston, Sketty to Gorseinon, out across the Gower to Bishopston and Pennard — Gen 1 to Gen 3, All-in-One, AC-coupled. Tell us the model and what's happening. Most faults are diagnosed remotely the same day; on-site is covered from Cardiff, next-day to two working days.
Book diagnosticHow the diagnostic worksRon was extremely helpful and tried his best to repair/reset our GivEnergy inverter remotely. In the event he was unsuccessful but he couldn’t have been more helpful. If you have problems with a GivEnergy system please contact him. Highly recommended
Very pleased with solar tech support , they were very informative and helpful , arrived when they said they would and did a great job , I would highly recommend them .
Prompt and useful support regarding my Sunsynk system lack of performance. Ronald simplified the technical issues to make them understandable. Many thanks, looking forward to follow up.
After 7 months of not being able to access/control my system following a change of wi-fi provider, followed by the news that GivEnergy had ceased trading i was left high and dry. I was unable to get any help whatsoever from my installer, tried various electrical tradespeople etc but no-one knew how to help me. Changed the Dongle but then couldnt get this change recognised in the inverter. Found Solar Tech Support while researching yet again online. Ronald has been amazing. Responding very quickly to my emails and very knowledgeable on the system. Managed to give us the information we needed to get the Dongle up and running and created me another account which now works as it should. His help has been invaluable. Thank you so much. Reviews I saw from other people said Solar Tech Support are very good, but i would say they are Outstanding!! Thanks again for all your help- Mick & Sandra
Excellent service from Solar Tech Support. Extremely quick to respond, easy to deal with and clearly very talented engineers. They were persistent throughout a complex GivEnergy battery issue and resolved everything completely. Highly knowledgeable, professional and reassuring support from start to finish. Highly recommended.
What a fantastic service. Had my fault diagnosed within minutes and actually managed to resolve the issue remotely within a few minutes more. This guy is like a “Solar Batman” helping consumers fix their problems using his extensive industry knowledge and expertise. Outstanding service. Thank you so much.
Swansea's solar story runs in two waves. The Feed-in Tariff years (2011–2016) put string-inverter solar on thousands of roofs — across the terraces of Uplands, Brynmill, Townhill and St Thomas, the post-war estates of Morriston, Bonymaen and Gorseinon, and the larger homes of Sketty, Killay and Mumbles — alongside Welsh Government and council-backed schemes (Nest, Arbed, and ECO grant programmes) that fitted PV across social and private housing. Then the energy crisis brought a GivEnergy battery boom — retrofits onto those ageing FiT systems, plus Gen 3 hybrids and All-in-One units on newer installs around Gowerton, Killay and the Gower fringe. The hardware is everywhere. Local aftercare often isn't — and Swansea is covered from our Cardiff base, about 40 minutes west on the M4, so most of it is sorted remotely without anyone needing to drive over.
A large share of Swansea's GivEnergy batteries were AC-coupled onto solar fitted in 2011–2016 across Uplands, Brynmill, Sketty and Morriston. Bolting a modern battery onto a decade-old string inverter creates charge-flow and CT clamp challenges the original installer didn't always resolve — and on the tighter terraces of Townhill and St Thomas, chimney shading from neighbouring stacks complicates the generation picture further.
Nest, Arbed and ECO grant solar programmes put PV — and increasingly GivEnergy storage — onto homes across Swansea, Gorseinon and Llanelli. Many homeowners inherited these systems, or were never shown how the battery and tariff settings work. Monitoring is often still locked to an installer or scheme account the resident can't access — including systems fitted by firms that have since closed.
GivEnergy Gen 3 hybrids and All-in-One units on newer installs around Killay, Gowerton, Pennard and the Gower fringe. These are modern, capable systems — but Gen 3 firmware is still maturing, and we regularly see charge-schedule behaviour that differs from the Gen 2 units homeowners researched before buying. Nearly all of it is adjustable remotely.
The Gower peninsula is an exposed coastal AONB — Mumbles, Bishopston, Pennard and the Swansea Bay seafront take salt-laden air and driven rain that accelerate corrosion of DC isolators, connectors and outdoor or loft-mounted string inverters fitted in the FiT years. As these reach end of life, an inverter swap — often to a GivEnergy hybrid that adds battery readiness — is one of the most common upgrades we do along the coast.
These are the faults we diagnose on Swansea GivEnergy systems regularly. Most are resolved remotely, same day, with no site visit. Each links to a detailed guide.
The single most common fault on Swansea GivEnergy systems. Solar panels generating but the battery stays empty. On retrofit installs (a battery added to an existing FiT-era system), the cause is almost always a CT clamp fitted in the wrong direction or eco mode left disabled after commissioning. On hybrid systems, it's usually a charge target or SOC floor misconfiguration. Resolved remotely via the portal.
Battery shows 100% but the house pulls from the grid instead of the battery. On Swansea systems this is overwhelmingly a CT clamp direction issue — the clamp tells the inverter which way electricity flows, and if it's backwards the system thinks the house doesn't need power. It's common on terraced-house consumer units in Uplands and Brynmill where the clamp was clipped on quickly. One of the fastest fixes we do — usually resolved in the remote diagnostic session itself.
Charge schedule set but the battery doesn't fill overnight. Common on Swansea systems where homeowners switched to Octopus Go or Intelligent Go after the GivEnergy system was installed — the charge window needs updating to match the new tariff's cheap-rate hours. Also caused by firmware updates resetting the charge schedule back to defaults.
GivEnergy app or portal says the system is offline. The system is almost certainly still working — the WiFi dongle has lost its router connection. Common after BT, Sky or Virgin Media router restarts, broadband provider changes, or when the router assigns the dongle a new IP. We reconnect it remotely or walk you through the dongle reset over the phone.
Rapid clicking from the inverter, system fails to connect to the grid, generation stops. A known hardware fault on some GivEnergy units — the internal relay has failed and needs physical repair or inverter replacement. This is one of the few faults that needs an on-site visit; Swansea is covered from our Cardiff base, so we typically attend next-day to two working days. We handle the full warranty claim process and the on-site swap where needed.
All GivEnergy problem guides → · GivEnergy fault codes → · Inverter replacement →
A correctly configured GivEnergy system on a good time-of-use tariff should be cutting a meaningful chunk off a typical Swansea household's bills. If yours isn't anywhere near what you expected, the charge schedule, eco mode, export limit, or tariff integration is almost certainly wrong. We audit the entire configuration and optimise it for your specific tariff and usage pattern — remotely, the same day, in a single session, with no site visit needed.
Swansea saw a wave of GivEnergy installations during the battery boom — from national chains and local firms alike. Many have since scaled back, stopped doing aftercare, or closed entirely; the Swansea installer Consumer Energy Solutions, for instance, entered administration on 9 January 2026, leaving customers — including ECO4 grant installs — without an aftercare route. Whatever the situation, the GivEnergy 12-year warranty is with the manufacturer, not the installer — and as an independent covering Swansea from Cardiff, we handle the full transition.
Move the GivEnergy system from the installer's portal account to your own homeowner account. Full data history preserved, done remotely. Monitoring setup guide →
Check every setting — charge schedule, eco mode, export limit, CT clamp direction — and optimise for your current tariff and usage. Many installer-commissioned and Welsh-scheme systems were left on defaults.
Confirm your GivEnergy warranty status and the routes still open after the manufacturer's administration. If you have a covered fault, we handle the claim — and if hardware needs replacing, we cover the on-site swap in Swansea from our Cardiff base, next-day to two working days. GivEnergy warranty details →
All bust installer guides → · Full Swansea coverage → · Cardiff → · Newport →
Whether it's a Gen 3 firmware issue, a battery not charging, an ageing inverter that needs swapping, or an orphaned system from a defunct installer — tell us the model and your Swansea postcode. We'll confirm remote or on-site, and give you a fixed price upfront.
I’ve worked on hundreds of GivEnergy systems and know the kit inside out. If yours is playing up, my promise is simple — no fix, no fee: just £95 if we fix it, free if we don’t.
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