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Solar panel cost in Basingstoke and Deane (RG26)

See realistic solar installation costs, savings and payback for RG26 (Basingstoke and Deane) 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
9.8 years
After this, it's pure profit
Upfront Cost
£8,139
What you pay to get started
Annual Benefit
£833
What you save every year
Profit Over 25 Years
£12,693
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

In Southern, the current unit rate is 26.42p/kWh with a 49.70p/day standing charge. Your postcode’s south-facing sunshine yield is 1006 kWh/kW — 5 above the regional median (1001).

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 1006 kWh per year on a south-facing roof. We value self-used electricity at 26.4p and exported surplus at a baseline 10p via SEG. Use the calculator above for your exact tariff.

Unit rate
26.4p/kWh
Standing charge
49.7p/day
Sunshine yield (south)
1006 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: £833, Upfront: £8,139, Break-even: 9.8 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 2012 kWh 805 kWh 1207 kWh £213 £121 £333 £3,256 9.8 yrs £3,411
3 kW 3018 kWh 1207 kWh 1811 kWh £319 £181 £500 £4,883 9.8 yrs £5,116
4 kW 4024 kWh 1609 kWh 2414 kWh £425 £241 £667 £6,511 9.8 yrs £6,821
5 kW 5029 kWh 2012 kWh 3018 kWh £532 £302 £833 £8,139 9.8 yrs £8,527
6 kW 6035 kWh 2414 kWh 3621 kWh £638 £362 £1,000 £9,767 9.8 yrs £10,232
7 kW 7041 kWh 2816 kWh 4225 kWh £744 £422 £1,167 £11,394 9.8 yrs £11,937
8 kW 8047 kWh 3219 kWh 4828 kWh £850 £483 £1,333 £13,022 9.8 yrs £13,643

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: £998, Upfront: £10,239, Break-even: 10.3 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 2012 kWh 1207 kWh 805 kWh £319 £80 £399 £5,356 13.4 yrs £2,632
3 kW 3018 kWh 1811 kWh 1207 kWh £478 £121 £599 £6,983 11.7 yrs £4,998
4 kW 4024 kWh 2414 kWh 1609 kWh £638 £161 £799 £8,611 10.8 yrs £7,364
5 kW 5029 kWh 3018 kWh 2012 kWh £797 £201 £998 £10,239 10.3 yrs £9,730
6 kW 6035 kWh 3621 kWh 2414 kWh £957 £241 £1,198 £11,867 9.9 yrs £12,096
7 kW 7041 kWh 4225 kWh 2816 kWh £1,116 £282 £1,398 £13,494 9.7 yrs £14,462
8 kW 8047 kWh 4828 kWh 3219 kWh £1,276 £322 £1,597 £15,122 9.5 yrs £16,828

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: £1,081, Upfront: £11,639, Break-even: 10.8 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 2012 kWh 1408 kWh 604 kWh £372 £60 £432 £6,756 15.6 yrs £1,893
3 kW 3018 kWh 2112 kWh 905 kWh £558 £91 £649 £8,383 12.9 yrs £4,589
4 kW 4024 kWh 2816 kWh 1207 kWh £744 £121 £865 £10,011 11.6 yrs £7,285
5 kW 5029 kWh 3521 kWh 1509 kWh £930 £151 £1,081 £11,639 10.8 yrs £9,982
6 kW 6035 kWh 4225 kWh 1811 kWh £1,116 £181 £1,297 £13,267 10.2 yrs £12,678
7 kW 7041 kWh 4929 kWh 2112 kWh £1,302 £211 £1,513 £14,894 9.8 yrs £15,374
8 kW 8047 kWh 5633 kWh 2414 kWh £1,488 £241 £1,730 £16,522 9.6 yrs £18,071

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: £1,106, Upfront: £13,389, Break-even: 12.1 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 2012 kWh 1469 kWh 543 kWh £388 £54 £442 £8,506 19.2 yrs £341
3 kW 3018 kWh 2203 kWh 815 kWh £582 £81 £663 £10,133 15.3 yrs £3,136
4 kW 4024 kWh 2937 kWh 1086 kWh £776 £109 £885 £11,761 13.3 yrs £5,932
5 kW 5029 kWh 3671 kWh 1358 kWh £970 £136 £1,106 £13,389 12.1 yrs £8,727
6 kW 6035 kWh 4406 kWh 1630 kWh £1,164 £163 £1,327 £15,017 11.3 yrs £11,522
7 kW 7041 kWh 5140 kWh 1901 kWh £1,358 £190 £1,548 £16,644 10.8 yrs £14,318
8 kW 8047 kWh 5874 kWh 2173 kWh £1,552 £217 £1,769 £18,272 10.3 yrs £17,113

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: £1,122, Upfront: £15,139, Break-even: 13.5 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 2012 kWh 1509 kWh 503 kWh £399 £50 £449 £10,256 22.8 yrs £-1,277
3 kW 3018 kWh 2263 kWh 754 kWh £598 £75 £673 £11,883 17.6 yrs £1,584
4 kW 4024 kWh 3018 kWh 1006 kWh £797 £101 £898 £13,511 15.0 yrs £4,446
5 kW 5029 kWh 3772 kWh 1257 kWh £997 £126 £1,122 £15,139 13.5 yrs £7,307
6 kW 6035 kWh 4526 kWh 1509 kWh £1,196 £151 £1,347 £16,767 12.4 yrs £10,169
7 kW 7041 kWh 5281 kWh 1760 kWh £1,395 £176 £1,571 £18,394 11.7 yrs £13,030
8 kW 8047 kWh 6035 kWh 2012 kWh £1,595 £201 £1,796 £20,022 11.2 yrs £15,892

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: £1,139, Upfront: £17,589, Break-even: 15.4 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 2012 kWh 1549 kWh 463 kWh £409 £46 £456 £12,706 27.9 yrs £-3,595
3 kW 3018 kWh 2324 kWh 694 kWh £614 £69 £683 £14,333 21.0 yrs £-667
4 kW 4024 kWh 3098 kWh 925 kWh £819 £93 £911 £15,961 17.5 yrs £2,260
5 kW 5029 kWh 3873 kWh 1157 kWh £1,023 £116 £1,139 £17,589 15.4 yrs £5,188
6 kW 6035 kWh 4647 kWh 1388 kWh £1,228 £139 £1,367 £19,217 14.1 yrs £8,115
7 kW 7041 kWh 5422 kWh 1619 kWh £1,432 £162 £1,594 £20,844 13.1 yrs £11,043
8 kW 8047 kWh 6196 kWh 1851 kWh £1,637 £185 £1,822 £22,472 12.3 yrs £13,970

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 Basingstoke and Deane

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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Understand DNO, G98 and G99 export limits

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Insights for RG26

Figures below are tailored to RG26 — click through for full league tables.

Big-Roof Britain Rank #787 of 2182
5.3 kWp (UK avg 5.1 kWp)
~11 panels (≈430 W)
Solar Payback Index Rank #692 of 2996
9.8 years (UK avg 10.8 years)
~£833 /yr • £8,139 upfront
Standing-Charge Drag Rank #829 of 2996
21.7% (UK avg 26.6%) drag on savings
£181 fixed • ~£833 /yr value
Aspect Penalty View ranking →
East −21.1% West −19.6%
Typical output loss versus a south-facing roof (lower is better)

Seasonal solar output in RG26

Monthly generation per kilowatt of solar panels

kWh 40 Jan 53 Feb 86 Mar 113 Apr 121 May 122 Jun 121 Jul 109 Aug 94 Sep 67 Oct 46 Nov 34 Dec
Best month Worst month Winter (Dec–Feb) Other months

Winter output: 50.6% of an average month (Dec–Feb)

Best / worst month: Jun / Dec

These figures show output per kilowatt (kW) of panels installed. In winter, a 1 kW system here produces about 42 kWh per month; the average month produces around 84 kWh. So a typical 4 kW home system would generate roughly 170 kWh in winter, or 335 kWh in an average month.

Your Area at a Glance

Your Electricity Rate
26.42p/kWh
Daily Fixed Charge
49.70p/day
Local Sunshine
1006kWh/kW
A 1 kW system generates ~1006 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: 12% • Bungalows: 11% Based on 5,298 properties

Coverage

Basingstoke and Deane (95%)|Reading (3%)|West Berkshire (1%)

Areas Covered

Tadley & Pamber, Tadley North, Kingsclere & Baughurst, Bramley, Sherborne St John & Rooksdown, Battle, Aldermaston, Winklebury & Manydown

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.

Compare nearby areas

Nearby in Southern

RG7 (West Berkshire)
≈6.7 km away
Local sunshine: ~998 kWh/kWp · -1% vs RG26
RG19 (West Berkshire)
≈8.8 km away
Local sunshine: ~991 kWh/kWp · -2% vs RG26
RG24 (Basingstoke and Deane)
≈9.4 km away
Local sunshine: ~1,007 kWh/kWp · +0% vs RG26
RG21 (Basingstoke and Deane)
≈10.2 km away
Local sunshine: ~998 kWh/kWp · -1% vs RG26
RG23 (Basingstoke and Deane)
≈10.7 km away
Local sunshine: ~1,000 kWh/kWp · -1% vs RG26
RG22 (Basingstoke and Deane)
≈11.2 km away
Local sunshine: ~997 kWh/kWp · -1% vs RG26

Similar sunshine across the UK

PE16 (Fenland)
~1,006 kWh/kWp · -0% vs RG26
SA12 (Neath Port Talbot)
~1,006 kWh/kWp · +0% vs RG26
CM19 (Harlow)
~1,006 kWh/kWp · +0% vs RG26