Solar panel cost in Doncaster (DN5)

See realistic solar installation costs, savings and payback for DN5 (Doncaster) in under a minute using official UK data. Start with the calculator, then get a no-obligation quote from an MCS-certified installer. You can also ask the SolarByPostcode assistant to sanity-check your roof, bills and plans.

Solar Calculator

Change the settings below to see how costs and savings work for your situation.

System Size

Roof Direction

Battery Storage

Export Value

Your Numbers

Break-even
10.7 years
After this, it's pure profit
Upfront Cost
£8,139
What you pay to get started
Annual Benefit
£763
What you save every year
Profit Over 25 Years
£10,946
After paying itself off, you're this much ahead

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How we calculate this

Solar generation: Based on typical south-facing roof at 35° angle. We account for weather, dirt, and system losses (14%).

How much you'll use directly:

  • Without battery: You'll use about 40% of what you generate. The rest gets sold back to the grid.
  • With 5 kWh battery: You'll use about 70% (battery stores extra for evening use).
  • With 10 kWh battery: You'll use about 75% (more storage means less exported).
  • Panel-only payback: The official cost per kW is lower above 4 kW, so a 5–6 kW system can pay back a little faster than a 3–4 kW system on otherwise identical assumptions.
  • Battery & payback: Batteries raise self-use and cut bills, but added hardware cost often lengthens break-even at typical UK rates.
  • When a battery can still make sense:
    • Evening-heavy usage patterns
    • Time-of-use tariffs / cheap night rates
    • Low export rate vs. high unit rate
    • Heat pump or EV charging synergy
    • Optional backup/resilience (system-dependent)
    • Lower evening-hour CO₂ vs. grid

Panel costs: Uses March 2026 TIC mean installation costs: £1,827/kW up to 4 kW and £1,628/kW above 4 kW.

Other costs: Battery prices are modelled at £700 per kWh. Export tariffs vary by supplier (usually 5–15p per kWh).

Grid connection: Systems up to about 3.7 kW typically need just a notification (G98). Larger systems may need permission (G99).

These are typical values based on average usage patterns. Your actual results will vary based on your roof, shading, and how you use electricity.

Your area in context

Read the full story

A typical roof here lands around 5.0 kW, with most eligible homes comfortably fitting within 3–6 kW. Each kilowatt of panels produces roughly 947 kWh per year on a south-facing roof. We value self-used electricity at 25.3p and exported surplus at a baseline 10p via SEG. Use the calculator above for your exact tariff.

Unit rate
25.3p/kWh
Standing charge
64.4p/day
Sunshine yield (south)
947 kWh/kW
Export price (baseline)
10p/kWh

Browse the scenarios below. Each battery size has its own expand — open the one that matches your plan (or just explore). For each system size (2–8 kW) we show annual output, how much you use directly, what gets exported, annual benefit, upfront cost, break-even, and a 20-year net. Negative numbers are possible — that’s the honest trade-off when adding more battery than your usage profile justifies.

No battery 5 kW example → Annual benefit: £763, Upfront: £8,139, Break-even: 10.7 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1894 kWh 758 kWh 1136 kWh £192 £114 £305 £3,256 10.7 yrs £2,852
3 kW 2841 kWh 1136 kWh 1704 kWh £288 £170 £458 £4,883 10.7 yrs £4,278
4 kW 3788 kWh 1515 kWh 2273 kWh £383 £227 £611 £6,511 10.7 yrs £5,703
5 kW 4735 kWh 1894 kWh 2841 kWh £479 £284 £763 £8,139 10.7 yrs £7,129
6 kW 5682 kWh 2273 kWh 3409 kWh £575 £341 £916 £9,767 10.7 yrs £8,555
7 kW 6628 kWh 2651 kWh 3977 kWh £671 £398 £1,069 £11,394 10.7 yrs £9,981
8 kW 7575 kWh 3030 kWh 4545 kWh £767 £455 £1,221 £13,022 10.7 yrs £11,407

Assumptions: south-facing, sensible tilt; self-use shares from site rules; export at 10p baseline. Costs: panels £/kW = 1,628, battery £/kWh = 700.

3 kWh battery 5 kW example → Annual benefit: £908, Upfront: £10,239, Break-even: 11.3 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1894 kWh 1136 kWh 758 kWh £288 £76 £363 £5,356 14.7 yrs £1,912
3 kW 2841 kWh 1704 kWh 1136 kWh £431 £114 £545 £6,983 12.8 yrs £3,917
4 kW 3788 kWh 2273 kWh 1515 kWh £575 £152 £727 £8,611 11.8 yrs £5,923
5 kW 4735 kWh 2841 kWh 1894 kWh £719 £189 £908 £10,239 11.3 yrs £7,929
6 kW 5682 kWh 3409 kWh 2273 kWh £863 £227 £1,090 £11,867 10.9 yrs £9,935
7 kW 6628 kWh 3977 kWh 2651 kWh £1,007 £265 £1,272 £13,494 10.6 yrs £11,940
8 kW 7575 kWh 4545 kWh 3030 kWh £1,150 £303 £1,453 £15,122 10.4 yrs £13,946

Assumptions: south-facing, sensible tilt; self-use shares from site rules; export at 10p baseline. Costs: panels £/kW = 1,628, battery £/kWh = 700.

5 kWh battery 5 kW example → Annual benefit: £981, Upfront: £11,639, Break-even: 11.9 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1894 kWh 1326 kWh 568 kWh £336 £57 £392 £6,756 17.2 yrs £1,091
3 kW 2841 kWh 1989 kWh 852 kWh £503 £85 £589 £8,383 14.2 yrs £3,387
4 kW 3788 kWh 2651 kWh 1136 kWh £671 £114 £785 £10,011 12.8 yrs £5,683
5 kW 4735 kWh 3314 kWh 1420 kWh £839 £142 £981 £11,639 11.9 yrs £7,979
6 kW 5682 kWh 3977 kWh 1704 kWh £1,007 £170 £1,177 £13,267 11.3 yrs £10,274
7 kW 6628 kWh 4640 kWh 1989 kWh £1,174 £199 £1,373 £14,894 10.8 yrs £12,570
8 kW 7575 kWh 5303 kWh 2273 kWh £1,342 £227 £1,569 £16,522 10.5 yrs £14,866

Assumptions: south-facing, sensible tilt; self-use shares from site rules; export at 10p baseline. Costs: panels £/kW = 1,628, battery £/kWh = 700.

7.5 kWh battery 5 kW example → Annual benefit: £1,003, Upfront: £13,389, Break-even: 13.4 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1894 kWh 1383 kWh 511 kWh £350 £51 £401 £8,506 21.2 yrs £-485
3 kW 2841 kWh 2074 kWh 767 kWh £525 £77 £602 £10,133 16.8 yrs £1,898
4 kW 3788 kWh 2765 kWh 1023 kWh £700 £102 £802 £11,761 14.7 yrs £4,281
5 kW 4735 kWh 3456 kWh 1278 kWh £875 £128 £1,003 £13,389 13.4 yrs £6,663
6 kW 5682 kWh 4148 kWh 1534 kWh £1,050 £153 £1,203 £15,017 12.5 yrs £9,046
7 kW 6628 kWh 4839 kWh 1790 kWh £1,225 £179 £1,404 £16,644 11.9 yrs £11,429
8 kW 7575 kWh 5530 kWh 2045 kWh £1,400 £205 £1,604 £18,272 11.4 yrs £13,812

Assumptions: south-facing, sensible tilt; self-use shares from site rules; export at 10p baseline. Costs: panels £/kW = 1,628, battery £/kWh = 700.

10 kWh battery 5 kW example → Annual benefit: £1,017, Upfront: £15,139, Break-even: 14.9 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1894 kWh 1420 kWh 473 kWh £359 £47 £407 £10,256 25.2 yrs £-2,119
3 kW 2841 kWh 2131 kWh 710 kWh £539 £71 £610 £11,883 19.5 yrs £322
4 kW 3788 kWh 2841 kWh 947 kWh £719 £95 £814 £13,511 16.6 yrs £2,763
5 kW 4735 kWh 3551 kWh 1184 kWh £899 £118 £1,017 £15,139 14.9 yrs £5,203
6 kW 5682 kWh 4261 kWh 1420 kWh £1,078 £142 £1,221 £16,767 13.7 yrs £7,644
7 kW 6628 kWh 4971 kWh 1657 kWh £1,258 £166 £1,424 £18,394 12.9 yrs £10,085
8 kW 7575 kWh 5682 kWh 1894 kWh £1,438 £189 £1,627 £20,022 12.3 yrs £12,525

Assumptions: south-facing, sensible tilt; self-use shares from site rules; export at 10p baseline. Costs: panels £/kW = 1,628, battery £/kWh = 700.

13.5 kWh battery 5 kW example → Annual benefit: £1,032, Upfront: £17,589, Break-even: 17.0 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1894 kWh 1458 kWh 436 kWh £369 £44 £413 £12,706 30.8 yrs £-4,453
3 kW 2841 kWh 2187 kWh 653 kWh £554 £65 £619 £14,333 23.2 yrs £-1,954
4 kW 3788 kWh 2917 kWh 871 kWh £738 £87 £825 £15,961 19.3 yrs £545
5 kW 4735 kWh 3646 kWh 1089 kWh £923 £109 £1,032 £17,589 17.0 yrs £3,043
6 kW 5682 kWh 4375 kWh 1307 kWh £1,107 £131 £1,238 £19,217 15.5 yrs £5,542
7 kW 6628 kWh 5104 kWh 1525 kWh £1,292 £152 £1,444 £20,844 14.4 yrs £8,041
8 kW 7575 kWh 5833 kWh 1742 kWh £1,476 £174 £1,651 £22,472 13.6 yrs £10,539

Assumptions: south-facing, sensible tilt; self-use shares from site rules; export at 10p baseline. Costs: panels £/kW = 1,628, battery £/kWh = 700.

Figures are illustrative and use the same method as the calculator above. For exact results, adjust your roof direction, tariff, and usage in the calculator.

Before you request quotes in Doncaster

Use the numbers above to sanity-check installer quotes. The main things to compare are system size, battery assumptions, payback claims, MCS certification, DNO paperwork and export assumptions.

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Seasonal solar output in DN5

Monthly generation per kilowatt of solar panels

kWh 35 Jan 51 Feb 83 Mar 106 Apr 117 May 111 Jun 115 Jul 106 Aug 87 Sep 61 Oct 42 Nov 33 Dec
Best month Worst month Winter (Dec–Feb) Other months

Winter output: 50.3% of an average month (Dec–Feb)

Best / worst month: May / Dec

These figures show output per kilowatt (kW) of panels installed. In winter, a 1 kW system here produces about 40 kWh per month; the average month produces around 79 kWh. So a typical 4 kW home system would generate roughly 159 kWh in winter, or 316 kWh in an average month.

Your Area at a Glance

Your Electricity Rate
25.31p/kWh
Daily Fixed Charge
64.38p/day
Local Sunshine
947kWh/kW
A 1 kW system generates ~947 kWh per year. A typical home uses ~2,700 kWh per year.
Typical System Size
5.0kW
For houses & bungalows in this area

Local Property Data

Property Types

Houses: 75% • Flats: 11% • Bungalows: 14% Based on 9,970 properties

Coverage

Doncaster (100%)

Areas Covered

Bentley, Sprotbrough, Roman Ridge, Hexthorpe & Balby North, Town, Norton & Askern, Dearne South, Adwick le Street & Carcroft

Data Sources & Assumptions

Solar yield: PVGIS (EU Joint Research Centre), January 2025 data

Electricity rates: Ofgem price cap, Q3 2026

Installation costs: DESNZ/MCS data, March 2026 (TIC)

Property data: EPC open data (Open Government Licence), aggregated

All estimates are typical values. Actual results vary based on your specific situation, roof characteristics, and usage patterns.