How much does a solar inverter health check cost?

Our full solar system health check costs from £200 including VAT. This covers a complete assessment of your PV system — not just the inverter — including DC string voltage and current testing, AC output measurement, inverter diagnostic, and a written report with recommended next steps.

Do I need to replace my solar inverter if it is showing a fault?

Not necessarily. A fault code or error light does not always mean the inverter needs replacing. Our engineers carry out a full system health check before recommending any replacement. For example, a DC string with no voltage will cause the inverter to fault — but the inverter itself may be perfectly fine, and replacing it would be an unnecessary expense. We diagnose the root cause first.

Which inverter brands do you work with?

We work with all major solar inverter brands including SolarEdge, SMA (Sunny Boy), Fronius, Solis, GivEnergy, Growatt, Huawei SUN2000, Solax, and Enphase microinverters. We are brand agnostic and will recommend the best replacement for your system if one is needed.

How long does solar inverter replacement take?

In most cases, solar inverter replacement can be completed in a single day once parts are confirmed. Our engineers are based in Crawley and cover Sussex and Surrey, giving us fast response times across the region.

Is Electrotec MCS certified for inverter replacement?

Yes. All inverter replacement work carried out by Electrotec Power Solutions is MCS certified. This is important because it protects your eligibility for the Smart Export Guarantee (SEG) and ensures your system warranties remain valid after the replacement.

Do you cover areas outside Crawley for solar inverter work?

Yes. We cover solar inverter replacement and repair across Crawley, Horsham, Haywards Heath, Reigate, Dorking, Guildford, Brighton, Chichester, Worthing, East Grinstead, and the wider Sussex and Surrey region.

Do you install solar panels in Crawley?

Yes. Electrotec Power Solutions is based in Crawley at Manor Royal and is one of the most experienced MCS-certified solar panel installers in Crawley and the surrounding areas of West Sussex and Surrey. We offer free site surveys and same-day quotes.

Are you MCS certified for solar panel installation?

Yes. Electrotec Power Solutions Ltd is MCS certified, which is the industry standard required for all solar panel, battery storage and heat pump installations in the UK. Our MCS certification also means customers can access government incentives including the Smart Export Guarantee (SEG).

Do you install battery storage in Sussex and Surrey?

Yes. We install FoxESS and Tesla Powerwall battery storage systems across Sussex, Surrey and South London. Battery storage can be installed alongside new solar panels or added to an existing solar system.

Are you a Warm Homes Plan approved contractor?

Yes. Electrotec is PAS 2030 accredited which is the required certification for all works delivered under the Warm Homes Plan, including the Social Housing Fund and Warm Homes Local Grant. We work with housing associations, registered providers and local authorities across Sussex and Surrey.

What areas do you cover for solar panel installation?

Electrotec Power Solutions installs solar panels across West Sussex, East Sussex and Surrey including Crawley, Horsham, Haywards Heath, Reigate, Redhill, Dorking, Guildford, Worthing, Brighton, East Grinstead, Gatwick and surrounding areas.

Do you offer EV charger installation?

Yes. We install OZEV-approved EV chargers for both residential and commercial properties across Sussex and Surrey. EV charger installation can be combined with solar panel installation for a discounted package price.

PAS 2030 Accredited Retrofit Contractor — Crawley & West Sussex

Electrotec Power Solutions is a PAS 2030 accredited retrofit contractor based in Crawley, West Sussex, delivering energy efficiency installations for local authorities, housing associations, registered social landlords and private landlords across Sussex, Surrey and the South East.

PAS 2030 is the publicly available specification that sets the standard for the installation of energy efficiency measures in existing dwellings. Accreditation under PAS 2030 is a mandatory requirement for contractors delivering government-funded energy efficiency schemes and is increasingly required by local authorities and housing associations procuring retrofit works across their housing stock.

With our PAS 2030 accreditation, Electrotec is qualified to deliver a full range of retrofit measures including solar PV, battery storage, electric storage heaters, heating controls, cavity wall insulation, loft insulation and electrical upgrades — making us a genuine single-point-of-contact retrofit contractor capable of managing complex, multi-measure projects across large property portfolios.

Services We Deliver Under PAS 2030

As a PAS 2030 accredited contractor our scope of works covers a comprehensive range of energy efficiency measures — making Electrotec a genuine single-point-of-contact retrofit contractor for multi-measure projects across social housing, council properties and private rental stock:

Solar PV installation — MCS-accredited solar panel systems for social housing, council properties and private rental stock across West Sussex and Surrey
Battery storage — FoxESS and Tesla Powerwall battery storage systems installed to PAS 2030 standards, reducing energy costs for tenants and improving EPC ratings
Electric storage heaters — supply and installation of modern high-retention electric storage heaters under PAS 2030, replacing inefficient older units and significantly improving heating efficiency and controllability for tenants — particularly effective in off-gas-grid properties
Heating controls — installation of smart and programmable heating controls under PAS 2030, enabling tenants to manage their heating more effectively and reducing energy waste across housing stock
Cavity wall insulation — including the EvoBead Climabead EPS bonded bead system, KIWA BDA approved, PAS 2030 compliant and ECO innovation status approved by Ofgem
Loft insulation — full loft insulation installation to current standards, significantly reducing heat loss in older housing stock
Electrical installation and testing — NICEIC-accredited electrical works including consumer unit upgrades, EICR testing and EV charger installation
Multi-measure retrofit projects — coordinated delivery of multiple energy efficiency measures across single properties or large housing portfolios, managed by our in-house team from survey to completion

EvoBead Climabead Cavity Wall Insulation — KIWA BDA Approved

Electrotec is an accredited installer of the EvoBead Climabead EPS bonded bead cavity wall insulation system — one of the most advanced and widely specified cavity wall insulation products in the UK social housing and retrofit market.

The Climabead system is KIWA BDA approved, PAS 2030 compliant, TrustMark registered and holds ECO innovation status from Ofgem — making it eligible for enhanced funding uplift under government energy efficiency schemes. For housing associations and local authorities specifying cavity wall insulation works, the Climabead system’s KIWA BDA certification provides the third-party quality assurance that procurement frameworks increasingly require.

Key advantages of the Climabead system for social housing and retrofit programmes:

75% fewer drill holes than traditional fibre cavity wall insulation — faster installation, less disruption to tenants and less visual impact on the property exterior
100% cavity fill — the EPS bonded bead fills the entire cavity with no cold spots or gaps, maximising thermal performance
Moisture resistant — the bead structure allows water to drain freely rather than bridging the cavity, eliminating damp risk
25-year guarantee — long-term performance assurance for housing stock
ECO innovation status — provides a 25% funding uplift under ECO schemes for eligible properties
Suitable for party walls — one of the only approved products for party wall insulation, opening up funding for approximately 5 million UK semi-detached and terraced properties with insulatable party walls
KIWA BDA approved — independently certified to the highest industry quality standards

For local authorities and housing associations looking to deliver cavity wall insulation programmes across their housing stock, Electrotec’s EvoBead accreditation means we can offer a faster, cleaner and more effective insulation solution than traditional systems — with full PAS 2030 compliance documentation and KIWA certification evidence provided on every installation.

Working With Local Authorities & Housing Associations

Electrotec has experience delivering energy efficiency works within occupied social housing and council properties — environments that demand a higher standard of professionalism, communication and disruption management than standard domestic installations.

Our team understands the specific requirements of working within local authority and housing association frameworks, including:

Compliance with PAS 2030 and PAS 2035 retrofit standards
Working with Retrofit Coordinators and Retrofit Assessors under the TrustMark framework
Tenant liaison and communication throughout the works programme
Flexible scheduling to minimise disruption to tenants
Full documentation, certification and handover packs on completion
Public liability insurance and all relevant accreditations in place

If you are a local authority, housing association or registered social landlord in West Sussex, East Sussex, Surrey or the wider South East looking for a reliable PAS 2030 accredited supply chain partner, we welcome the opportunity to discuss your requirements and provide a competitive tender or quotation.

Funded Schemes We Can Deliver

As a PAS 2030 accredited contractor, Electrotec is positioned to deliver works under a range of current and forthcoming government-funded energy efficiency schemes:

Great British Insulation Scheme (GBIS) — currently active, funding insulation and heating upgrades for eligible properties across England
Social Housing Decarbonisation Fund (SHDF) — supporting housing associations and local authorities to improve the energy performance of social housing stock
Home Upgrade Grant (HUG2) — funding energy efficiency improvements for low-income households in properties not connected to the gas grid
Warm Homes Plan — the government’s forthcoming successor to ECO4, expected to deliver significant investment in home energy efficiency from 2026 onwards
LA Flex — local authority flexibility funding allowing councils to direct energy efficiency support to vulnerable households in their area

Why Choose Electrotec as Your PAS 2030 Contractor?

PAS 2030 accredited — fully certified to deliver government-funded and local authority retrofit works including solar PV, battery storage, electric storage heaters, heating controls and insulation
KIWA BDA accredited — approved installer of KIWA-certified cavity wall insulation systems, meeting the stringent quality and compliance standards required by local authority and housing association procurement frameworks
EvoBead accredited installer — certified to install the Climabead EPS bonded bead cavity wall insulation system — KIWA BDA approved, ECO innovation status, 75% fewer drill holes than traditional systems
MCS accredited — for solar PV and battery storage installations
NICEIC accredited — for all electrical installation and testing works
TrustMark registered — government endorsed quality scheme
Over 2,000 installations completed — proven track record across Sussex, Surrey and the South East
In-house installation team — no subcontracting, consistent quality and accountability on every project
Multi-measure capability — solar, battery, storage heaters, heating controls, insulation and electrical all delivered by one contractor
Full documentation and certification — PAS 2030 certificates, MCS certificates, EICs, KIWA documentation and handover packs provided on every project
Based in Crawley — well positioned to serve West Sussex, East Sussex, Surrey and Greater London efficiently

Our PAS 2030 Accreditations Cover

Electrotec Power Solutions holds PAS 2030 accreditation across the following measure types:

Solar photovoltaic systems
Battery storage systems
Electric storage heaters — including modern high-retention storage heaters
Heating controls — including programmable and smart thermostats
Cavity wall insulation — including EvoBead Climabead EPS bonded bead system (KIWA BDA approved, ECO innovation status)
Loft insulation

Our multi-measure accreditation scope makes Electrotec an ideal supply chain partner for local authorities and housing associations looking to deliver whole-house retrofit programmes without the complexity of managing multiple single-measure contractors.

Service Area

Based in Crawley, West Sussex, Electrotec delivers PAS 2030 retrofit works across West Sussex, East Sussex, Surrey, Kent and Greater London. Our experience includes projects in Crawley, Horsham, Haywards Heath, East Grinstead, Reigate, Redhill, Worthing, Brighton, Chichester, Lewes, Croydon, Sutton and Kensington. We are able to mobilise quickly across the South East and welcome enquiries from local authorities and housing associations across the region.

Frequently Asked Questions — PAS 2030 Retrofit

What is PAS 2030 accreditation?

PAS 2030 is the publicly available specification that sets the standard for the installation of energy efficiency measures in existing dwellings. It is the mandatory quality standard for contractors delivering government-funded energy efficiency schemes including the Great British Insulation Scheme, the Social Housing Decarbonisation Fund and the forthcoming Warm Homes Plan. Contractors must be assessed and certified against PAS 2030 by an approved certification body before they can deliver funded retrofit works.

Is Electrotec PAS 2030 accredited?

Yes — Electrotec Power Solutions is a PAS 2030 accredited retrofit contractor based in Crawley, West Sussex. Our accreditation covers solar PV, battery storage, electric storage heaters, heating controls, cavity wall insulation and loft insulation — making us a single-point-of-contact contractor for multi-measure retrofit projects.

What is the difference between PAS 2030 and PAS 2035?

PAS 2030 is the installation standard that governs how energy efficiency measures are physically installed. PAS 2035 is the broader retrofit standard that governs the whole-house retrofit process, including the role of Retrofit Assessors and Retrofit Coordinators. For funded scheme works, both standards typically apply. Electrotec works within the PAS 2035 framework as an installer and can work alongside accredited Retrofit Coordinators on funded scheme projects.

Can you deliver retrofit works for local authorities in West Sussex?

Yes — Electrotec is actively working with local authorities and housing associations across West Sussex, East Sussex and Surrey to deliver energy efficiency retrofit works under funded schemes and direct procurement. Our PAS 2030 accreditation, MCS certification, NICEIC accreditation and KIWA BDA approval make us a fully qualified supply chain partner for council housing retrofit programmes and social housing decarbonisation projects.

What funded energy efficiency schemes are currently available?

Current and forthcoming funded schemes include: the Great British Insulation Scheme (GBIS) — currently active and funding insulation and heating upgrades for eligible properties; the Social Housing Decarbonisation Fund (SHDF); the Home Upgrade Grant (HUG2) for off-gas-grid low-income households; LA Flex local authority flexibility funding; and the Warm Homes Plan — the government’s forthcoming successor to ECO4 expected to launch in 2026.

What is EvoBead Climabead cavity wall insulation?

EvoBead Climabead is a KIWA BDA approved EPS bonded bead cavity wall insulation system that Electrotec is accredited to install. The Climabead system requires 75% fewer drill holes than traditional fibre insulation, provides 100% cavity fill with no cold spots, is moisture resistant with a 25-year guarantee, and holds ECO innovation status from Ofgem — making it eligible for enhanced funding uplift under government energy efficiency schemes. It is PAS 2030 compliant and TrustMark registered, making it ideal for local authority and social housing retrofit programmes.

Are you KIWA accredited for cavity wall insulation?

Yes — Electrotec is an accredited installer of the KIWA BDA approved EvoBead Climabead EPS bonded bead cavity wall insulation system. KIWA BDA certification provides independent third-party quality assurance that is increasingly required by local authority and housing association procurement frameworks. Our KIWA accreditation, combined with our PAS 2030 certification and TrustMark registration, makes Electrotec a fully compliant contractor for funded cavity wall insulation programmes across the South East.

Do you install electric storage heaters under PAS 2030?

Yes — Electrotec is PAS 2030 accredited for the supply and installation of electric storage heaters, including modern high-retention storage heaters replacing older inefficient units. Electric storage heaters are particularly effective for off-gas-grid properties and are eligible for funding under GBIS, HUG2 and LA Flex schemes where properties meet the eligibility criteria. Modern high-retention storage heaters charge overnight on cheaper off-peak tariffs and release heat controllably throughout the day — significantly improving comfort and reducing energy costs.

Can you install heating controls under PAS 2030?

Yes — Electrotec is PAS 2030 accredited for the installation of heating controls including programmable and smart thermostats and zone controls for electric heating systems. Heating controls are one of the most cost-effective energy efficiency measures available and are frequently specified alongside storage heater replacements and insulation measures as part of a whole-house retrofit approach.

Do you work with Retrofit Coordinators?

Yes — Electrotec works within the PAS 2035 framework as a PAS 2030 accredited installer and can work alongside accredited Retrofit Coordinators and Retrofit Assessors on funded scheme projects. We provide full documentation, installation certificates and compliance evidence to support the Retrofit Coordinator’s project management responsibilities and TrustMark submission requirements.

What energy efficiency measures can you install under PAS 2030?

Electrotec’s PAS 2030 accreditation covers solar PV, battery storage, electric storage heaters, heating controls, cavity wall insulation including the EvoBead Climabead KIWA BDA approved system, loft insulation and electrical works. Our multi-measure capability means we can deliver several improvements to a single property under one contract — simplifying procurement, reducing coordination costs and ensuring consistent quality across all measures.

What is the Warm Homes Plan?

The Warm Homes Plan is the UK government’s forthcoming successor to the ECO4 scheme, expected to launch in 2026 with significant investment in home energy efficiency improvements. Like ECO4, the Warm Homes Plan will require delivery contractors to hold PAS 2030 accreditation, making accredited installers like Electrotec well positioned to participate from launch. The scheme is expected to focus on insulation, heat pumps, solar PV, storage heaters and other low-carbon technologies.

Can you install solar panels on social housing or council properties?

Yes — Electrotec is MCS accredited and PAS 2030 certified for solar PV installation on social housing, council properties and housing association stock. We have experience managing solar installations within occupied properties, including tenant liaison, flexible scheduling and full compliance documentation. Solar PV is increasingly being specified under SHDF and LA Flex funded programmes as a cost-effective way to reduce tenant energy bills and improve EPC ratings.

What documentation do you provide on completion?

Electrotec provides full documentation on completion of all PAS 2030 retrofit works including PAS 2030 installation certificates, MCS certificates for solar PV and battery storage, Electrical Installation Certificates, KIWA compliance documentation, product warranties and project handover packs. All documentation is provided in digital format within 24 hours of project completion.

What areas do you cover for PAS 2030 retrofit works?

Electrotec Power Solutions delivers PAS 2030 retrofit works across West Sussex, East Sussex, Surrey, Kent and Greater London from our base in Crawley. We have experience in Crawley, Horsham, Haywards Heath, East Grinstead, Reigate, Worthing, Brighton, Chichester, Croydon, Sutton and Kensington and welcome enquiries from local authorities, housing associations and registered social landlords across the wider South East.

How do I request a capabilities statement or quotation?

Contact Electrotec Power Solutions via our website or by phone to discuss your retrofit programme requirements. We can provide a capabilities statement outlining our accreditations, experience and scope of works, arrange a pre-tender meeting, or submit a competitive quotation for specific projects. We welcome both direct award and competitive tender opportunities and aim to respond to all procurement enquiries within 24 hours.