Essex
Solar panels in Thundersley and South Benfleet.
Twelve panels here make about 6,810 kWh a year for £6,360 installed, designed on a free 30-minute video call.
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How much a Thundersley and South Benfleet roof makes, month by month
PVGIS puts Thundersley and South Benfleet at 1,070 kWh per kWp a year, 1% above our Essex county estimate. 68% of it arrives between April and September, peaking in July.
Generation per kWp, month by month
Show the monthly figures
| Month | kWh/kWp |
|---|---|
| January | 40.1 |
| February | 55.2 |
| March | 90.8 |
| April | 120 |
| May | 128 |
| June | 129 |
| July | 131 |
| August | 117 |
| September | 101 |
| October | 69.7 |
| November | 49.9 |
| December | 38.5 |
Source: PVGIS v5.2 (European Commission JRC), SARAH3 database, 1 kWp, 14% system loss, 35 degree pitch, due south, checked September 2026.
Our GB average is 925 kWh per kWp a year, the mean of the 85 county PVGIS estimates we publish; at 1,070, Thundersley and South Benfleet is 16% above it.
How Thundersley and South Benfleet compares
Among the places we publish figures for, Thundersley and South Benfleet is one of 46 Essex towns we track, and it ranks joint 17th of 46 for solar yield. It is a medium town in the House of Commons Library classification, with 50,563 residents, and its roofs see 2.93 peak sun hours a day across the year. That drives the standard 12 panel model to 6,805 kWh of generation, of which around 5,869 kWh is exported at 12p for £704 a year, with £247 saved on electricity you would otherwise buy at 26.32p.
Treat these as calibration rather than a quote. The calculator below runs the same model, opened on Thundersley and South Benfleet's own yield, and prices a 12 panel system at £6,360 installed before any battery. Your free design call reworks every number for your actual roof, its shading and your usage.
Planning applications here go through Castle Point; nationally, the House of Commons Library classes Thundersley and South Benfleet as a medium town.
The charger is in the installed price but left out of payback: charging savings depend on your mileage and tariff, which the design call models properly.
Your real roof and usage, worked through on a free 30-minute video call. Use the full form or leave three details below.
Price this for your roof
Three details. We call or text within one working day to book your free 30-minute design call, on video or by phone if you prefer.
The figures use PVGIS for the centre of Thundersley and South Benfleet (51.56196, 0.57826), a 26.32p/kWh import price and £1,000 per kWp installed; see the help page for the full method.
The network operator for Thundersley and South Benfleet
UK Power Networks owns and runs the local electricity network in Thundersley and South Benfleet, as part of its East England licence area.
For a typical home the paperwork is light: a system of up to 3.68kW per phase goes through G98, which means UK Power Networks is notified within 28 days of switch-on rather than asked beforehand.
Larger systems go through G99 instead, applied for before installation. On timing: Ofgem's guaranteed standard for a low voltage generation connection quotation is 45 working days, with £80 paid for each working day late, and it binds UK Power Networks as it does every network operator.
Sources: NESO DNO licence areas (3 May 2024); Ofgem, Distributed Generation Standards Direction guidance, checked 27 September 2026. G98 vs G99, explained.
Heat pumps and EV charging in Thundersley and South Benfleet
A heat pump in Thundersley and South Benfleet
In December, the darkest month here, 12 panels in Thundersley and South Benfleet make about 240 kWh. That is when a heat pump runs hardest, so its running cost in Thundersley and South Benfleet comes down to the tariff and the flow temperature rather than the roof.
In England, the Boiler Upgrade Scheme pays £7,500 towards an air source or ground source heat pump and £2,500 towards an air-to-air one, with £1,500 more until March 2027 for homes heated by oil or LPG with no mains gas (gov.uk, checked 28 September 2026).
Charging an EV in Thundersley and South Benfleet
Summer is where a car earns its place. In July, 12 panels in Thundersley and South Benfleet make about 830 kWh, against roughly 70 kWh a typical home uses in daylight that month on our calculator's typical-use settings, so there is surplus a smart charger can put into the car instead of exporting it.
Renters and flat owners with private off-street parking can get 75% off a chargepoint and its installation, up to £500 per socket, until 31 March 2027 (gov.uk, checked 28 September 2026). The calculator above adds a 7.4kW smart charger from £1,100 installed.
Installed prices, the same in every town
Every system is designed around your roof on the free call before anything is fitted.
Solar panel servicing and repair in Thundersley and South Benfleet
The same sourced benchmarks apply in Thundersley and South Benfleet as everywhere we cover: honest repair pricing and what a service should include.
Thundersley and South Benfleet solar questions
How much electricity do solar panels make in Thundersley and South Benfleet?
About 6,810 kWh a year from 12 panels (6.36 kWp), on PVGIS satellite data for Thundersley and South Benfleet: 1,070 kWh per kWp, or 2.93 peak sun hours a day on average. July is the strongest month, at about 830 kWh.
What does a typical solar system cost in Thundersley and South Benfleet?
Solar is priced at £1,000 per kWp installed wherever you live, so a 12-panel, 6.36 kWp system costs £6,360 in Thundersley and South Benfleet, exactly as it would anywhere else, before any battery. Location changes what the system makes, not what it costs: here that is about 6,810 kWh a year. The final figure comes from your roof on the design call.
Which DNO covers Thundersley and South Benfleet, and what does it need from me?
UK Power Networks covers Thundersley and South Benfleet. A home system of up to 3.68kW per phase is notified to UK Power Networks within 28 days of commissioning under G98, and nothing waits on approval. Larger outputs need a G99 application before work starts. Ofgem's guaranteed standard for a low voltage generation connection quotation is 45 working days, with £80 paid for each working day late, and it binds UK Power Networks as it does every network operator.
What happens to the solar I do not use in Thundersley and South Benfleet?
Around £704 a year at 12p per kWh, for the roughly 5,869 kWh a 12-panel system in Thundersley and South Benfleet exports with typical use. Rates vary by supplier and some need their own tariff; the export rates table is dated and sourced.
How much solar does Thundersley and South Benfleet get in December?
December is the low point: about 240 kWh from a 12-panel system in Thundersley and South Benfleet, on PVGIS data, rising to 830 kWh in July. From November to February the same system makes about 1,170 kWh in total, which is why a battery charged off-peak does more of the work in winter.
How Thundersley and South Benfleet compares with its neighbours
Same satellite dataset, same assumptions, so the differences are real geography rather than modelling noise.
| Town | kWh per kWp a year | vs Thundersley and South Benfleet |
|---|---|---|
| Thundersley and South Benfleet | 1,070 | this town |
| Rayleigh | 1,072 | +2 kWh |
| Canvey Island | 1,079 | +9 kWh |
| Wickford | 1,069 | −1 kWh |
| Hockley and Hawkwell | 1,102 | +32 kWh |
| Runwell | 1,070 | level |
| Basildon | 1,068 | −2 kWh |
Each row is a PVGIS v5.2 run at that town's centre with the same settings. Treat gaps of a few kWh as noise and gaps over about 30 kWh per kWp as real differences in sunshine.
Also for Thundersley and South Benfleet: Solar panels in Thundersley and South Benfleet from OVO Solar & Battery
Also near Thundersley and South Benfleet
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Guides worth reading before your call
Sourced, dated and written by us. The same ground we cover on your free call.
How do solar panels work? The full explanation, from photon to plug socket
Light into silicon, DC into AC, AC into your bill. The whole chain, explained.
Read the guide →GivEnergy in administration: what owners should do now
The sourced timeline, the warranty position, and the owner's checklist for this month.
Read the guide →Smart charge point regulations, explained
Why your charger arrives pre-set to charge overnight, and why it waits before it starts.
Read the guide →How an air source heat pump actually works
It moves heat rather than making it. The cycle, the efficiency numbers and the trade-offs.
Read the guide →The price cap explained, and what it does to solar payback
The cap limits unit rates, not bills. That changes what solar payback means.
Read the guide →MCS, HIES, RECC, NAPIT, TrustMark and Flexi-Orb: which badge does what
Six logos, six different jobs. What each scheme covers, and which are actually required.
Read the guide →Get my free quote
Takes about two minutes. We call or text within one working day to book your free 30-minute video design call at a time that suits you. We design it around your roof and your numbers, and our MCS-certified, fully insured installation teams install it.