Solar panels in Swallownest and Aston.
Twelve panels here make about 6,080 kWh a year for £6,360 installed, designed on a free 30-minute video call.
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How much a Swallownest and Aston roof makes, month by month
Swallownest and Aston's best month is May, at 120.4 kWh per kWp; December manages 31.7. Over the year that comes to 956 kWh per kWp, 1% below our Yorkshire county estimate.
Generation per kWp, month by month
Show the monthly figures
| Month | kWh/kWp |
|---|---|
| January | 32.4 |
| February | 50.9 |
| March | 84.2 |
| April | 107 |
| May | 120 |
| June | 112 |
| July | 118 |
| August | 108 |
| September | 89.5 |
| October | 59.9 |
| November | 41.6 |
| December | 31.7 |
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 956, Swallownest and Aston is 3% above it.
How Swallownest and Aston compares
Small towns rarely get published solar figures, so here are the numbers for Swallownest and Aston. It is one of 122 Yorkshire towns we track, and it ranks joint 49th of 122 for solar yield, a town of 15,096 people in the House of Commons Library settlement data. PVGIS gives its roofs 956 kWh per kWp a year, 2.62 peak sun hours a day averaged across the seasons, and the standard 12 panel model turns that into £864 of year one benefit, £247 of it from your own generation and £617 from export at 12p.
Treat these as calibration rather than a quote. The calculator below runs the same model, opened on Swallownest and Aston'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 Rotherham; nationally, the House of Commons Library classes Swallownest and Aston 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.
Modelled for Swallownest and Aston at 53.36398, -1.31522 on PVGIS data, with imports valued at 26.32p/kWh and solar at £1,000 per kWp installed. Sources and assumptions: help page.
The network operator for Swallownest and Aston
On NESO's licence-area map, Swallownest and Aston is in Yorkshire, which Northern Powergrid operates. That makes Northern Powergrid the network operator for any system fitted here.
Below 3.68kW per phase of inverter and battery output, the G98 route applies: the installation is notified to Northern Powergrid within 28 days of commissioning, with no prior approval.
Above that, G99 means applying before the work is booked. Northern Powergrid publishes a guaranteed standard of 45 working days to quote for a low voltage generation connection.
Sources: NESO DNO licence areas (3 May 2024); Northern Powergrid, generation connections page, checked 25 September 2026. G98 vs G99, explained.

Heat pumps and EV charging in Swallownest and Aston
A heat pump in Swallownest and Aston
Heating demand peaks when solar is weakest. In Swallownest and Aston, a 12-panel system makes about 200 kWh in December and 210 kWh in January, a fraction of its 770 kWh in May, which is why a heat pump here is costed on its tariff first.
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 Swallownest and Aston
Swallownest and Aston's May output, about 770 kWh from 12 panels, is several times the 70 kWh or so a typical home uses in daylight that month on our calculator's settings. Daytime charging turns that surplus into miles.
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 Swallownest and Aston
The same sourced benchmarks apply in Swallownest and Aston as everywhere we cover: honest repair pricing and what a service should include.
Solar in Swallownest and Aston: your questions answered
How much electricity do solar panels make in Swallownest and Aston?
About 6,080 kWh a year from 12 panels (6.36 kWp), on PVGIS satellite data for Swallownest and Aston: 956 kWh per kWp, or 2.62 peak sun hours a day on average. May is the strongest month, at about 770 kWh.
Is solar more expensive in Swallownest and Aston?
Prices on this site are the same everywhere: £1,000 per kWp installed, which puts a 12-panel system at £6,360 in Swallownest and Aston, and a Duracell Dura16 installed with solar at £4,450 on top. The local part is generation, about 6,080 kWh a year here, which is what drives payback.
Which DNO covers Swallownest and Aston, and what does it need from me?
Northern Powergrid covers Swallownest and Aston. A home system of up to 3.68kW per phase is notified to Northern Powergrid within 28 days of commissioning under G98, and nothing waits on approval. Larger outputs need a G99 application before work starts. Northern Powergrid publishes a guaranteed standard of 45 working days to quote for a low voltage generation connection.
What could I earn from exporting in Swallownest and Aston?
On the 12p export scenario, a 12-panel system in Swallownest and Aston sends about 5,143 kWh a year to the grid, worth around £617. The export rates table compares what each supplier pays.
How much solar does Swallownest and Aston get in December?
December is the low point: about 200 kWh from a 12-panel system in Swallownest and Aston, on PVGIS data, rising to 770 kWh in May. From November to February the same system makes about 1,000 kWh in total, which is why a battery charged off-peak does more of the work in winter.
How Swallownest and Aston compares with its neighbours
How the towns nearest Swallownest and Aston compare on the same PVGIS settings, closest first.
| Town | kWh per kWp a year | vs Swallownest and Aston |
|---|---|---|
| Swallownest and Aston | 956 | this town |
| Killamarsh | 957 | +1 kWh |
| Brinsworth | 951 | −5 kWh |
| Dinnington | 976 | +20 kWh |
| Wickersley and Bramley | 968 | +12 kWh |
| Rotherham | 951 | −5 kWh |
| Sheffield | 943 | −13 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 Swallownest and Aston: Solar panels in Swallownest and Aston from OVO Solar & Battery
Also near Swallownest and Aston
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Answer a few questions about your roof and usage and see an instant solar and battery estimate. No email needed to see the result.
Reading for Swallownest and Aston homeowners
Sourced, dated and written by us. The same ground we cover on your free call.
DNO application timescales, network by network: from a G98 notification to a G99 approval
Fit and notify within 28 days, or wait ten working days to 45 for a yes. System size decides which.
Read the guide →Does a standalone battery actually pay back?
No panels means one job: buy cheap, use later. The tariff decides whether it pays.
Read the guide →How time of use charging windows actually work
How a cheap overnight window is metered and billed, and what a battery does inside it.
Read the guide →What are the disadvantages of a heat pump? Six honest ones
Six real disadvantages, worth planning around rather than a reason to rule one out.
Read the guide →Why the best export rates always carry conditions
The top export rates are acquisition offers. Here is how to price the condition.
Read the guide →HIES explained: what the badge actually protects, and when
What HIES protects: deposits up to 25 percent capped at 5,000 pounds, and your workmanship guarantee.
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.