East Lothian
Solar panels in Haddington, sized to your roof.
Twelve panels (6.36 kWp) here make about 5,880 kWh a year for £6,360 installed, designed around your roof on a free 30-minute video call.
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What a roof in Haddington can generate
PVGIS puts Haddington at 925 kWh per kWp a year, 6% above our East Lothian county estimate. 70% of it arrives between April and September, peaking in May.
Generation per kWp, month by month
Show the monthly figures
| Month | kWh/kWp |
|---|---|
| January | 28.7 |
| February | 47.5 |
| March | 80.5 |
| April | 108 |
| May | 125 |
| June | 113 |
| July | 116 |
| August | 104 |
| September | 83.8 |
| October | 57.2 |
| November | 39.5 |
| December | 22.2 |
Source: PVGIS v5.2 (European Commission JRC), SARAH3 database, 1 kWp, 14% system loss, 35 degree pitch, due south, checked September 2026.
For scale: 925 kWh per kWp in Haddington against 925, our GB average (the mean of our 85 county PVGIS estimates), which puts Haddington level with it.
How Haddington compares
Small towns rarely get published solar figures, so here are the numbers for Haddington. It is one of 5 East Lothian towns we track, and it ranks 3rd of 5 for solar yield, a town of 11,273 people in the House of Commons Library settlement data. PVGIS gives its roofs 925 kWh per kWp a year, 2.53 peak sun hours a day averaged across the seasons, and the standard 12 panel model turns that into £841 of year one benefit, £247 of it from your own generation and £594 from export at 12p.
Every figure here assumes a clear, south-facing roof at 35 degrees. Yours will differ, which is what the free design call is for; until then, the calculator below tests panels, batteries and export rates on Haddington's own yield.
Haddington sits within East Lothian, its local planning authority, and the House of Commons Library classes it 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.
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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 Haddington (55.95539, -2.78384), a 26.32p/kWh import price and £1,000 per kWp installed; see the help page for the full method.
Connecting solar to the Haddington network
The distribution network operator (DNO) for Haddington is SP Energy Networks, which runs the South and Central Scotland licence area.
G98 is the simple route. If the inverter, plus any battery, stays at or under 3.68kW per phase, SP Energy Networks only has to be told within 28 days after the system is commissioned.
Anything bigger is a G99 case and is applied for first. 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 SP Energy 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.
Beyond the panels: heating and car charging in Haddington
A heat pump in Haddington
Solar and a heat pump pull in opposite directions through the year: Haddington's roofs make 880 kWh from November to February on a 12-panel system, and 2,910 kWh from May to August. The heating season leans on the grid, so off-peak rates do the heavy lifting.
Scottish homes apply through Home Energy Scotland rather than the Boiler Upgrade Scheme: up to £7,500 in grant for a heat pump, up to £7,500 more as an optional interest-free loan, and a £1,500 uplift for rural and island homes (checked 28 September 2026).
Charging an EV in Haddington
A 12-panel roof in Haddington makes about 800 kWh in May. 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.
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 Haddington
Guidance is nationwide, so the benchmarks hold in Haddington: repair costs, service scope, and when the inverter is the real fault.
Common questions about solar in Haddington
What could a roof in Haddington generate?
PVGIS puts a roof in Haddington at 925 kWh per kWp a year, 2.53 peak sun hours a day averaged across the seasons. A 12-panel, 6.36 kWp system makes about 5,880 kWh a year, most of it between April and September.
What would 12 solar panels cost in Haddington?
£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 Haddington differs is output: about 5,880 kWh a year from that system.
Do I need permission from the DNO for solar in Haddington?
Usually not in advance. SP Energy Networks, the network operator for Haddington, only needs a G98 notification within 28 days of commissioning for systems up to 3.68kW per phase. Bigger inverter or battery outputs need G99 approval first. 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 SP Energy Networks as it does every network operator. "See our DNO explainer.
How much would export pay on a system in Haddington?
It is exported. With typical use and no battery, about 4,946 kWh of the 5,880 kWh a 12-panel system makes in Haddington goes to the grid, around £594 a year at 12p. A battery keeps more of it for the evening; the export rates table shows what suppliers pay.
Do solar panels work in winter in Haddington?
Yes, at a lower level. PVGIS gives Haddington 22.2 kWh per kWp in December and 28.7 in January, so a 12-panel system makes about 140 kWh and 180 kWh in those months, against 800 kWh in May. Winter output mostly covers daytime use rather than exporting.
How Haddington compares with its neighbours
The six closest towns we publish, run through the identical PVGIS query as Haddington.
| Town | kWh per kWp a year | vs Haddington |
|---|---|---|
| Haddington | 925 | this town |
| Tranent | 901 | −24 kWh |
| North Berwick | 960 | +35 kWh |
| Prestonpans | 924 | −1 kWh |
| Musselburgh | 900 | −25 kWh |
| Dunbar | 949 | +24 kWh |
| Dalkeith | 897 | −28 kWh |
PVGIS v5.2 for each town centroid, identical assumptions throughout. A few kWh either way is weather-year noise; a spread beyond about 30 kWh per kWp is real geography.
Also for Haddington: Solar panels in Haddington from OVO Solar & Battery
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Sourced, dated and written by us. The same ground we cover on your free call.
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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.