Hertfordshire
Solar panels in Sawbridgeworth, sized to your roof.
Twelve panels (6.36 kWp) here make about 6,580 kWh a year for £6,360 installed, designed around your roof on a free 30-minute video call.
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Sawbridgeworth's solar year
Sawbridgeworth's best month is July, at 126.2 kWh per kWp; December manages 37. Over the year that comes to 1,034 kWh per kWp, 1% above our Hertfordshire county estimate.
Generation per kWp, month by month
Show the monthly figures
| Month | kWh/kWp |
|---|---|
| January | 38.8 |
| February | 53.4 |
| March | 89.2 |
| April | 116 |
| May | 123 |
| June | 124 |
| July | 126 |
| August | 113 |
| September | 98.2 |
| October | 67.8 |
| November | 46.7 |
| December | 37 |
Source: PVGIS v5.2 (European Commission JRC), SARAH3 database, 1 kWp, 14% system loss, 35 degree pitch, due south, checked September 2026.
For scale: 1,034 kWh per kWp in Sawbridgeworth against 925, our GB average (the mean of our 85 county PVGIS estimates), which puts Sawbridgeworth 12% above it.
How Sawbridgeworth compares
Small towns rarely get published solar figures, so here are the numbers for Sawbridgeworth. It is one of 27 Hertfordshire towns we track, and it ranks 2nd of 27 for solar yield, a town of 11,224 people in the House of Commons Library settlement data. PVGIS gives its roofs 1,034 kWh per kWp a year, 2.83 peak sun hours a day averaged across the seasons, and the standard 12 panel model turns that into £924 of year one benefit, £247 of it from your own generation and £677 from export at 12p.
Treat these as calibration rather than a quote. The calculator below runs the same model, opened on Sawbridgeworth'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.
East Hertfordshire is the planning authority covering Sawbridgeworth, which the House of Commons Library classes as a small 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.
Generation is modelled from PVGIS satellite data for Sawbridgeworth's own coordinates (51.81027, 0.14622), using the same 26.32p/kWh import value and £1,000 per kWp installed pricing as every Clearline estimate; the methodology is on our help page.
Who runs the grid in Sawbridgeworth
Sawbridgeworth is served by UK Power Networks: the town's centre falls inside its East England licence area on NESO's boundary map.
What decides the paperwork is the inverter and battery output, not the number of panels. Up to 3.68kW per phase, a system follows G98: UK Power Networks is notified within 28 days of commissioning and nothing has to be approved first.
A bigger inverter or battery output needs a G99 application in advance. 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 Sawbridgeworth
A heat pump in Sawbridgeworth
A heat pump does most of its work from November to February. Over those four months, 12 panels in Sawbridgeworth make about 1,120 kWh, against 3,100 kWh from May to August, so winter heating runs mostly on grid electricity and the tariff matters more than the roof.
The Boiler Upgrade Scheme, open in England and Wales, takes £7,500 off an air source or ground source heat pump, or £2,500 off an air-to-air unit. Homes on oil or LPG with no mains gas get £1,500 more until March 2027 (gov.uk, checked 28 September 2026).
Charging an EV in Sawbridgeworth
A 12-panel roof in Sawbridgeworth makes about 800 kWh in July. A typical home uses around 70 kWh of that in daylight (the calculator's typical-use settings), which leaves most of the month's output for an EV or for export.
If you rent, or own a flat, and have private off-street parking, the government chargepoint grant covers 75% of the cost, capped at £500 a socket, until 31 March 2027 (gov.uk, checked 28 September 2026). The calculator above prices a 7.4kW smart charger from £1,100 installed.
What the named kit costs, installed
Every system is designed around your roof on the free call before anything is fitted.
Solar panel servicing and repair in Sawbridgeworth
Faults, servicing and ageing inverters follow the same economics in Sawbridgeworth as anywhere else, and the guides below price them plainly.
Solar in Sawbridgeworth: your questions answered
What does a solar panel system produce in Sawbridgeworth?
Each kWp of panels in Sawbridgeworth makes 1,034 kWh a year on PVGIS figures, so a typical 12-panel system produces around 6,580 kWh, from about 240 kWh in December up to 800 kWh in July.
What would 12 solar panels cost in Sawbridgeworth?
£6,360 for 12 panels (6.36 kWp), the same as in every other place we cover, because solar is priced at £1,000 per kWp installed rather than by area. A battery adds its own installed price on top. Where Sawbridgeworth differs is output: about 6,580 kWh a year from that system.
Would a system in Sawbridgeworth need approval from the network operator?
Sawbridgeworth is on UK Power Networks' network (East England licence area). Systems up to 3.68kW per phase of inverter output follow G98: UK Power Networks is notified within 28 days of commissioning, with no approval needed first. Anything larger needs a G99 application before installation. 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. Our G98 vs G99 guide explains both routes.
How much would export pay on a system in Sawbridgeworth?
It is exported. With typical use and no battery, about 5,640 kWh of the 6,580 kWh a 12-panel system makes in Sawbridgeworth goes to the grid, around £677 a year at 12p. A battery keeps more of it for the evening; the export rates table shows what suppliers pay.
Is solar worth it in Sawbridgeworth in winter?
It works, but the year is lopsided. 68% of a Sawbridgeworth roof's output lands between April and September; the four months from November to February give about 1,120 kWh on a 12-panel system. Payback is worked out on the whole year, not the winter.
How Sawbridgeworth compares with its neighbours
The six closest towns we publish, run through the identical PVGIS query as Sawbridgeworth.
| Town | kWh per kWp a year | vs Sawbridgeworth |
|---|---|---|
| Sawbridgeworth | 1,034 | this town |
| Harlow | 1,032 | −2 kWh |
| Bishop's Stortford | 1,035 | +1 kWh |
| Stansted Mountfitchet | 1,028 | −6 kWh |
| Ware | 1,018 | −16 kWh |
| Hoddesdon | 1,018 | −16 kWh |
| Epping | 1,030 | −4 kWh |
Same PVGIS v5.2 query for every town. Small differences are within year-to-year weather; more than about 30 kWh per kWp apart is geography.
Also for Sawbridgeworth: Solar panels in Sawbridgeworth from OVO Solar & Battery
See a number before you speak to anyone
Answer a few questions about your roof and usage and see an instant solar and battery estimate. No email needed to see the result.
Guides worth reading before your call
Sourced, dated and written by us. The same ground we cover on your free call.
Do solar panels work in winter? Yes, just less than summer
Panels run on light, not sunshine. Cloud turns them down, not off. What that means for an awkward roof.
Read the guide →Adding a battery to solar panels you already own
Retrofitting a battery to working solar is straightforward. The paperwork is where people trip up.
Read the guide →Home EV charger types and speeds, explained properly
Granny cable, 7kW wall unit or 22kW three phase. What each adds per hour, and which you need.
Read the guide →Sizing a heat pump: what a proper survey covers
Sized by calculation, not by rule of thumb. What the survey covers, and what guessing costs.
Read the guide →Which tariffs are actually built for battery charging
A battery buys cheap and uses dear. The tariff decides how much that is worth.
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.