Tilbury Solar: Riverside Output, Flood-Smart Installs & 10 Verified Installers
11 local and regional firms worth considering — plus what solar really costs in Tilbury and the 0% VAT relief that brings it down.
Thinking about solar panels in Tilbury? With household energy bills still a real squeeze, more residents across Tilbury and the wider Thurrock borough are looking at solar as a practical way to bring that cost down for good.
Tilbury doesn’t have an installer registered on its own postcode, but neighbouring Grays — just two miles up the road — is home to Electech Installations, plus several more well-documented firms spread across Essex, Kent and the wider Thames Estuary area within a roughly 2–44 mile radius, including one firm actively serving Dartford and North Kent via the Dartford Crossing, worth comparing against their travel distance.
This guide lists ten genuine, verifiable installers serving Tilbury below in no particular order, each checked against their own accreditation and reviews, so you can compare with confidence.
At a glance: installers compared
| Company | Accreditation | Services | Coverage | Reviews | Best for |
|---|---|---|---|---|---|
| Solar Panels Funded | MCS network | Quote matching, solar PV, battery, cleaning, funding guidance | Tilbury & nationwide | — | One enquiry → multiple quotes |
| Electech Installations (Electech Essex Ltd) | TrustMark, Which? Trusted Trader; MCS (self-stated) | Solar PV, battery storage, EV chargers, electrical | Grays, Essex · ~2 miles | 5.0/5 Which? Trusted Traders (90) | Closest genuinely local installer to Tilbury |
| Angus Renewables Ltd | TrustMark, MCS, NAPIT | Solar PV, battery storage, electrical | Basildon, Essex · ~14 miles | 4.0/5 Trustpilot (4) | Verified TrustMark/MCS/NAPIT firm in the neighbouring borough |
| Bliss Eco Energy Ltd | Which? Trusted Trader; MCS (self-stated) | Solar PV, battery storage | Southend-on-Sea, Essex · ~19 miles | 5.0/5 Which? Trusted Traders (15) | South Essex coastal homeowners |
| Simcott Renewables Ltd | TrustMark; MCS (self-stated) | Solar PV installation | Witham, Essex · ~27 miles | Trustpilot listed; score not found | Mid-Essex homeowners wanting a TrustMark-registered firm |
| Stag Solar Solutions Ltd | Which? Trusted Trader; MCS (self-stated) | Solar PV, battery storage, EV charging | Maldon, Essex · ~29 miles | 5.0/5 Which? Trusted Traders (22) | Longer trading history (5+ years) |
| Green Eco Group Ltd | TrustMark, MCS, NAPIT | Solar PV, battery storage | Waltham Abbey, Essex · ~31 miles | 5.0/5 Checkatrade (58, provisional) | West Essex/Lea Valley homeowners |
| Cahill Renewables Ltd | Which? Trusted Trader; MCS, NICEIC, TrustMark, RECC (self-stated) | Solar PV, battery storage, heat pumps, EV chargers | Colchester HQ · serves Dartford & North Kent | 5.0/5 Which? Trusted Traders (80) | Dartford/North Kent homeowners via the Crossing |
| B Solar Energy Installations Ltd | RECC; MCS (self-stated) | Solar PV, battery storage, EV charging, ground-mount | Stansted, Essex · ~44 miles | Not found | RECC-confirmed north-west Essex option |
| Evolve Renewables Ltd | Accreditation not confirmed | Solar PV, heat pumps | Bromley, Kent · ~26 miles | Checkatrade listed; 0 reviews in 12 months | North Kent/SE London option, verify directly first |
| Renewables Services Ltd | Not confirmed | Solar PV, battery storage, inverters | Grays, Essex (reg. office) · ~2 miles | Not found | Closest registered company after Electech, verify directly first |
Reviews and accreditation status checked ahead of publication via each installer’s own site, Checkatrade profile, or the TrustMark/MCS public registers — re-verify on publish day, as membership status can change.
Solar in Tilbury by the numbers
These figures are calculated for Tilbury itself, on the Thames riverside. A 4kW system on a south-facing, 35° roof here is estimated to produce 4,132 kWh a year, peaking at 504 kWh in Jul and falling to 146 kWh in December.
- 4,132 kWh / yearEstimated output of a 4kW roof system in Tilbury
- 26.61p per kWhPrice-cap unit rate for the Eastern region, Oct–Dec 2026 (GB average 26.32p)
- £440–£660 off your billIf you use 40–60% of what the panels make at home
- + £215–£320 export incomeThe rest sold at 13p/kWh on an open Smart Export Guarantee tariff
Together that’s about £760–£875 a year, recovering a typical £6,490 install in 7.4–8.5 years. Tilbury’s flat, open riverside gives it slightly more output than Grays up the road, and Eastern-region electricity is priced above average, so solar here earns its keep quickly.
Sources: output from the EU’s PVGIS 5.3 model (SARAH-3 data, 2005–2023) for Tilbury, 4kW, 35° south-facing, roof-mounted, 14% system losses. Unit rate from Ofgem’s price cap for 1 Oct–31 Dec 2026. Export rate: Fuse Energy Single Rate Variable, September 2026. Installed cost: Sunsave, August 2026.
Areas covered around Tilbury
This guide covers the RM18 postcode district: Tilbury town, the docks and riverside, Chadwell St Mary, West Tilbury and East Tilbury. No MCS installer is registered in RM18 itself, but Electech Installations and Renewables Services are two miles away in Grays, and HK Green Energy Services, listed in our Thurrock guide, is Tilbury-based.
Tilbury TownTilbury DocksRiversideChadwell St MaryWest TilburyEast TilburyLow StreetLinfordTilbury FortFeenan HighwayCalcutta RoadMontreal Road
Ward and parish names from the Office for National Statistics postcode directory for RM18 (via postcodes.io).
Planning and grid connection in Tilbury
- West and East Tilbury conservation areasTwo of Thurrock’s seven conservation areas are the villages of West Tilbury and East Tilbury. Road-facing roof slopes there may need planning permission for panels.
- Riverside heritageTilbury Fort’s Officers Barracks (1772) and Tilbury Riverside Station with its floating landing stage (1924) are both Grade II* listed.
- Flood cell and gatesTilbury sits in the Purfleet–Grays–Tilbury flood cell (9,295 homes), protected by the £34 million Port of Tilbury lock gates completed under the Environment Agency’s TEAM2100 programme.
- UK Power NetworksTilbury’s network operator (Eastern area). A standard home system is registered after installation (G98); larger ones need approval first (G99).
Sources: Thurrock Council (conservation areas); Historic England via Wikipedia; Environment Agency and GOV.UK (Port of Tilbury flood gates); UK Power Networks.
Solar Panels Funded
MCS networkResidential & commercialFunding specialists
Solar Panels Funded is a solar energy intermediary operating from Digbeth Court Business Centre, 162–164 High Street, Birmingham, B12 0LD, connecting homeowners and businesses across Tilbury and South Essex with a vetted network of MCS-accredited solar panel installers, so one enquiry returns multiple competitive local quotes.
Each installer in the network holds MCS accreditation, and Solar Panels Funded also provides guidance on funding routes such as the ECO4 scheme for eligible Tilbury households, plus access to professional panel cleaning referrals and the 0% VAT relief and Smart Export Guarantee available UK-wide.
Best for One enquiry → multiple competitive quotes from vetted MCS-accredited local installers.
Electech Installations (Electech Essex Ltd)
TrustMarkWhich? Trusted TraderMCS (self-stated)
Electech Installations (Electech Essex Limited) is based in Grays, just two miles from Tilbury and the closest genuinely local installer on this list, and is a confirmed member of TrustMark and Which? Trusted Traders, with an active profile on Which?’s own site.
The company states MCS accreditation for its solar PV design and commissioning work, though no MCS certificate number was independently located for this guide; Which? Trusted Traders shows a strong 5.0 out of 5 rating from 90 reviews. Electech works across Essex, Kent, London, Surrey, Sussex and Hampshire, also offering EV chargers and Tesla Powerwall battery storage, and states over 5MW of solar installed to date.
Best for The closest genuinely local installer to Tilbury itself.
Angus Renewables Ltd
TrustMarkMCSNAPIT
Angus Renewables is based in Basildon, around 14 miles from Tilbury, and holds independently confirmed TrustMark registration (licence 3219526), listing Electricians, Solar Panel Installers (MCS) and Battery Storage Systems (MCS) via the NAPIT scheme, alongside direct NAPIT membership.
Trustpilot shows a 4.0 out of 5 (“Great”) rating from 4 reviews, all five-star among those visible, with the profile claimed since September 2023. The company was incorporated in May 2022 and shows as an active, non-dissolved business on Companies House.
Best for A verified TrustMark/MCS/NAPIT firm in Thurrock’s neighbouring borough.
Bliss Eco Energy Ltd
Which? Trusted TraderMCS (self-stated)
Bliss Eco Energy is based in Southend-on-Sea, around 19 miles from Tilbury, and holds a confirmed, active Which? Trusted Traders profile.
The firm’s own site and customer reviews describe it as “MCS government approved,” though this wasn’t independently confirmed on the MCS public register for this guide. Which? Trusted Traders shows a strong 5.0 out of 5 rating from 15 reviews, and Bliss also has a Trustpilot listing, though its full rating wasn’t independently re-verified. The company focuses on residential solar PV and battery storage across Essex, including Chelmsford and surrounding towns.
Best for Southend and south Essex coastal homeowners.
Simcott Renewables Ltd
TrustMarkMCS (self-stated)
Simcott Renewables is based in Witham, in mid-Essex, around 27 miles from Tilbury, and holds independently confirmed TrustMark registration (licence 3104537).
MCS accreditation is stated on the company’s own site; TrustMark listings of this kind normally require an MCS or PAS scheme membership, but this wasn’t independently pulled from the register for this guide. A Trustpilot listing exists for the firm, but the page couldn’t be loaded during this research pass, so its rating should be checked directly before booking. Simcott was incorporated in October 2022 and shows as an active company on Companies House, serving Chelmsford and the wider county.
Best for Mid-Essex homeowners wanting a TrustMark-registered local firm.
Stag Solar Solutions Ltd
Which? Trusted TraderMCS (self-stated)
Stag Solar Solutions is based in Maldon, around 29 miles from Tilbury, and holds a confirmed, active Which? Trusted Traders profile listed under Maldon, Essex.
The company markets itself as an “MCS Solar Panel Installer,” though this wasn’t independently confirmed against the MCS register number for this guide. Which? Trusted Traders shows a strong 5.0 out of 5 rating from 22 reviews. Stag Solar has traded since 2020 per its own site (incorporated March 2020, active on Companies House) and covers Essex and into Kent, also offering battery storage and EV charging.
Best for A Which?-vetted installer with a longer trading history.
Green Eco Group Ltd
TrustMarkMCSNAPIT
Green Eco Group is based in Waltham Abbey, around 31 miles from Tilbury, and holds independently confirmed TrustMark registration (licence 3106100), listing Solar Panel Installers (MCS) and Battery Storage Systems (MCS) via the NAPIT scheme, alongside direct NAPIT membership.
A Checkatrade profile exists for the firm, and a third-party aggregator cites a 5.0 out of 5 rating from 58 customers, though this figure wasn’t independently re-verified directly on Checkatrade for this guide. Note that an older, unrelated company with the same name was dissolved in 2017 in London — the currently trading Waltham Abbey firm (company no. 13953883) is a distinct, active business incorporated in March 2022.
Best for A TrustMark/MCS/NAPIT-confirmed installer for west Essex and Lea Valley homeowners.
Cahill Renewables Ltd
Which? Trusted TraderMCS (self-stated)TrustMark (self-stated)
Cahill Renewables is headquartered in Colchester, around 44 miles from Tilbury, with a second office in Sandwich, Kent, and states it actively serves Dartford and North Kent — roughly 20–25 miles from Tilbury via the Dartford Crossing — as well as Essex. It holds a confirmed Which? Trusted Trader award (2023), with an active profile rated 5.0 out of 5 from 80 reviews.
MCS, NICEIC Certified Business, TrustMark and RECC accreditation are all stated on the company’s own site, but weren’t independently cross-checked against those registers for this guide. A Checkatrade profile also exists showing a poor 0.67 out of 10 score with a note that the business “cannot be requested through Checkatrade” — a discrepancy worth being aware of alongside the stronger, independently-confirmed Which? figures. Cahill also offers battery storage, heat pumps, EV chargers and underfloor heating to residential and commercial customers.
Best for Homeowners specifically in Dartford or North Kent, its stated coverage area closest to Tilbury via the crossing.
B Solar Energy Installations Ltd
RECCMCS (self-stated)TrustMark unconfirmed
B Solar Energy is based in Stansted, in north-west Essex, around 44 miles from Tilbury, and holds a confirmed, active RECC (Renewable Energy Consumer Code) listing (member reference 00080119, Solar PV sector).
The company’s own site repeatedly claims “MCS certified” status, though this wasn’t independently cross-checked against the MCS register for this guide, and a TrustMark listing appeared in search results but its profile page couldn’t be loaded to confirm during this research pass. No independent review score could be found on Trustpilot, Checkatrade or Which? for this firm. B Solar states over 10 years’ experience covering residential, commercial, battery storage, EV charging and ground-mounted solar across Essex.
Best for Homeowners in the north-west Essex/Stansted area wanting a RECC-confirmed firm.
Evolve Renewables Ltd
TrustMark unconfirmedMCS (self-stated)
Evolve Renewables is based in Bromley, Kent, around 26 miles from Tilbury via the Dartford Crossing and A2, and has service pages covering Essex towns including Brentwood and Hornchurch as well as Kent towns such as Gravesend, suggesting it actively quotes across the wider Thames Estuary area near Tilbury.
A TrustMark search result lists a firm of this name at BR2 9LB, but the live profile page couldn’t be loaded to fully confirm details for this guide, so treat TrustMark status as unconfirmed rather than fully verified; MCS is stated on the company’s own site and Checkatrade description but likewise wasn’t independently confirmed. Its Checkatrade profile shows a “Consumer Protection Association” listing but zero reviews in the last 12 months and no overall score — this is the weakest-verified entry on this list, so extra diligence is worth it before booking.
Best for An option for South East London and North Kent homeowners, though worth extra diligence given its thin review history.
Renewables Services Ltd
Accreditation not confirmed
Renewables Services is registered at an address on Southend Road in Grays — immediately adjacent to Tilbury and, on paper, the closest registered company to Tilbury after Electech Installations — though it trades from a Regus serviced office in Brentwood, around 13 miles away.
No MCS, TrustMark, NICEIC or RECC listing could be located for this company in the sources checked for this guide, and no independent review score was found on Trustpilot, Checkatrade or Which?. The company’s own site lists solar PV, battery storage and inverter installation, stating it serves “customers across the UK,” but with no certification claims visible on the page checked — get accreditation confirmed directly, such as on the MCS and TrustMark public registers, before treating this as a vetted recommendation.
Best for Geographically close to Tilbury, but verify accreditation directly before booking.
Frequently Asked Questions
Where should the inverter and battery go in a Tilbury home?
Somewhere high and dry. Much of Tilbury is reclaimed marsh behind the Thames walls, and in 2021–22 the Environment Agency and the port replaced the docks’ 1928 lock gates with new dual-purpose flood gates and took down the old Tilbury Barrier. The roof array is never at risk, but many installers default to a garage or under-stairs spot for the inverter and battery. In a Tilbury terrace, a loft or first-floor position is the sensible choice.
How sunny is Tilbury for solar?
Few places in Britain do better. Using the EU’s satellite-based PVGIS records, a 4kW array facing south in Tilbury should average some 4,132 kWh annually, a touch more than Grays and only slightly less than Southend. Late spring and summer months run at around 490–505 kWh each; December drops to roughly 146.
What is a 4kW system worth to a Tilbury household?
Electricity in Tilbury is capped at 26.61p a unit this quarter under the Eastern region. A household using about 40% of what its roof makes, and exporting the rest for 13p, would get roughly £760 a year in value. One using 60% would get around £875. With so much summer output, a battery helps shift the surplus into the evening.
Are there planning restrictions near Tilbury Fort or in West Tilbury?
West Tilbury and East Tilbury are both conservation areas, where panels on a road-facing slope can need permission. Tilbury Fort and Tilbury Riverside Station are Grade II* listed, so homes right beside them may face extra scrutiny for anything visible from the fort or the river. Most homes in the town itself have no heritage constraints.
Are there any solar installers in Tilbury itself?
No MCS firm on our main list is registered in RM18, but Electech Installations and Renewables Services are both in Grays, about two miles away. HK Green Energy Services, which appears in our Thurrock guide, is based in Tilbury. Firms from Basildon, Southend and across the Dartford Crossing in north Kent also cover the town.
Is there any grant help for solar in Tilbury?
Thurrock Council’s earlier Sustainable Warmth grant, run through Warmworks, included solar but has closed. ECO4, available until the end of 2026, can fund solar for eligible households on qualifying benefits or low incomes in poorly rated homes. It’s worth checking whether your home qualifies before paying for a system yourself.
Final Thoughts
Tilbury itself has just two registered installers on its own doorstep in neighbouring Grays — Electech Installations, the most fully-verified of the two, and Renewables Services, whose accreditation still needs checking directly — alongside a wide spread of well-documented firms across Essex and into Kent worth comparing against their travel distance, with Angus Renewables and Green Eco Group standing out for confirmed TrustMark, MCS and NAPIT status.
Get a handful of quotes from the list above, and let your roof start paying you back.
Related reading on Solar Panels Funded
Solar Energy Funding Specialist & Home Energy Advisor
Zachariah Eaton is a UK-based solar energy funding specialist with a focus on helping homeowners access grants, financing schemes, and cost-saving renewable solutions. He has spent years researching government-backed programmes such as ECO4, Smart Export Guarantee (SEG), and local funding initiatives to make solar more accessible. Zachariah writes practical, easy-to-understand guides that help households reduce energy bills and transition to clean energy with confidence.