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Solar panel cost in North Devon (EX34)

See realistic solar installation costs, savings and payback for EX34 (North Devon) 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
10.4 years
After this, it's pure profit
Upfront Cost
£9,767
What you pay to get started
Annual Benefit
£943
What you save every year
Profit Over 25 Years
£13,817
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 Western, the current unit rate is 26.39p/kWh with a 57.89p/day standing charge. Your postcode’s south-facing sunshine yield is 950 kWh/kW — 64 below the regional median (1013).

Read the full story

A typical roof here lands around 6.0 kW, with most eligible homes comfortably fitting within 3–6 kW. Each kilowatt of panels produces roughly 950 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
57.9p/day
Sunshine yield (south)
950 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: £786, Upfront: £8,139, Break-even: 10.4 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1899 kWh 760 kWh 1140 kWh £200 £114 £314 £3,256 10.4 yrs £3,033
3 kW 2849 kWh 1140 kWh 1709 kWh £301 £171 £472 £4,883 10.4 yrs £4,550
4 kW 3799 kWh 1519 kWh 2279 kWh £401 £228 £629 £6,511 10.4 yrs £6,067
5 kW 4748 kWh 1899 kWh 2849 kWh £501 £285 £786 £8,139 10.4 yrs £7,583
6 kW 5698 kWh 2279 kWh 3419 kWh £601 £342 £943 £9,767 10.4 yrs £9,100
7 kW 6647 kWh 2659 kWh 3988 kWh £702 £399 £1,101 £11,394 10.4 yrs £10,617
8 kW 7597 kWh 3039 kWh 4558 kWh £802 £456 £1,258 £13,022 10.4 yrs £12,134

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: £942, Upfront: £10,239, Break-even: 10.9 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1899 kWh 1140 kWh 760 kWh £301 £76 £377 £5,356 14.2 yrs £2,179
3 kW 2849 kWh 1709 kWh 1140 kWh £451 £114 £565 £6,983 12.4 yrs £4,318
4 kW 3799 kWh 2279 kWh 1519 kWh £601 £152 £753 £8,611 11.4 yrs £6,457
5 kW 4748 kWh 2849 kWh 1899 kWh £752 £190 £942 £10,239 10.9 yrs £8,596
6 kW 5698 kWh 3419 kWh 2279 kWh £902 £228 £1,130 £11,867 10.5 yrs £10,736
7 kW 6647 kWh 3988 kWh 2659 kWh £1,053 £266 £1,318 £13,494 10.2 yrs £12,875
8 kW 7597 kWh 4558 kWh 3039 kWh £1,203 £304 £1,507 £15,122 10.0 yrs £15,014

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: £1,020, Upfront: £11,639, Break-even: 11.4 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1899 kWh 1329 kWh 570 kWh £351 £57 £408 £6,756 16.6 yrs £1,401
3 kW 2849 kWh 1994 kWh 855 kWh £526 £85 £612 £8,383 13.7 yrs £3,852
4 kW 3799 kWh 2659 kWh 1140 kWh £702 £114 £816 £10,011 12.3 yrs £6,302
5 kW 4748 kWh 3324 kWh 1424 kWh £877 £142 £1,020 £11,639 11.4 yrs £8,753
6 kW 5698 kWh 3988 kWh 1709 kWh £1,053 £171 £1,223 £13,267 10.8 yrs £11,203
7 kW 6647 kWh 4653 kWh 1994 kWh £1,228 £199 £1,427 £14,894 10.4 yrs £13,654
8 kW 7597 kWh 5318 kWh 2279 kWh £1,403 £228 £1,631 £16,522 10.1 yrs £16,105

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: £1,043, Upfront: £13,389, Break-even: 12.8 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1899 kWh 1386 kWh 513 kWh £366 £51 £417 £8,506 20.4 yrs £-162
3 kW 2849 kWh 2080 kWh 769 kWh £549 £77 £626 £10,133 16.2 yrs £2,382
4 kW 3799 kWh 2773 kWh 1026 kWh £732 £103 £834 £11,761 14.1 yrs £4,926
5 kW 4748 kWh 3466 kWh 1282 kWh £915 £128 £1,043 £13,389 12.8 yrs £7,470
6 kW 5698 kWh 4159 kWh 1538 kWh £1,098 £154 £1,252 £15,017 12.0 yrs £10,014
7 kW 6647 kWh 4853 kWh 1795 kWh £1,281 £179 £1,460 £16,644 11.4 yrs £12,558
8 kW 7597 kWh 5546 kWh 2051 kWh £1,464 £205 £1,669 £18,272 10.9 yrs £15,102

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: £1,058, Upfront: £15,139, Break-even: 14.3 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1899 kWh 1424 kWh 475 kWh £376 £47 £423 £10,256 24.2 yrs £-1,788
3 kW 2849 kWh 2137 kWh 712 kWh £564 £71 £635 £11,883 18.7 yrs £819
4 kW 3799 kWh 2849 kWh 950 kWh £752 £95 £847 £13,511 16.0 yrs £3,425
5 kW 4748 kWh 3561 kWh 1187 kWh £940 £119 £1,058 £15,139 14.3 yrs £6,031
6 kW 5698 kWh 4273 kWh 1424 kWh £1,128 £142 £1,270 £16,767 13.2 yrs £8,637
7 kW 6647 kWh 4986 kWh 1662 kWh £1,316 £166 £1,482 £18,394 12.4 yrs £11,243
8 kW 7597 kWh 5698 kWh 1899 kWh £1,504 £190 £1,694 £20,022 11.8 yrs £13,850

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: £1,074, Upfront: £17,589, Break-even: 16.4 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1899 kWh 1462 kWh 437 kWh £386 £44 £430 £12,706 29.6 yrs £-4,113
3 kW 2849 kWh 2194 kWh 655 kWh £579 £66 £644 £14,333 22.2 yrs £-1,445
4 kW 3799 kWh 2925 kWh 874 kWh £772 £87 £859 £15,961 18.6 yrs £1,224
5 kW 4748 kWh 3656 kWh 1092 kWh £965 £109 £1,074 £17,589 16.4 yrs £3,892
6 kW 5698 kWh 4387 kWh 1311 kWh £1,158 £131 £1,289 £19,217 14.9 yrs £6,561
7 kW 6647 kWh 5119 kWh 1529 kWh £1,351 £153 £1,504 £20,844 13.9 yrs £9,229
8 kW 7597 kWh 5850 kWh 1747 kWh £1,544 £175 £1,718 £22,472 13.1 yrs £11,898

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 North Devon

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 EX34

Figures below are tailored to EX34 — click through for full league tables.

Big-Roof Britain Rank #1074 of 2182
5.0 kWp (UK avg 5.1 kWp)
~11 panels (≈430 W)
Solar Payback Index Rank #1360 of 2996
10.3 years (UK avg 10.8 years)
~£944 /yr • £9,767 upfront
Standing-Charge Drag Rank #962 of 2996
22.4% (UK avg 26.6%) drag on savings
£211 fixed • ~£944 /yr value
Aspect Penalty View ranking →
East −18.7% West −20.8%
Typical output loss versus a south-facing roof (lower is better)

Seasonal solar output in EX34

Monthly generation per kilowatt of solar panels

kWh 29 Jan 49 Feb 85 Mar 117 Apr 124 May 119 Jun 119 Jul 106 Aug 87 Sep 59 Oct 34 Nov 22 Dec
Best month Worst month Winter (Dec–Feb) Other months

Winter output: 41.9% 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 33 kWh per month; the average month produces around 79 kWh. So a typical 4 kW home system would generate roughly 133 kWh in winter, or 317 kWh in an average month.

Your Area at a Glance

Your Electricity Rate
26.39p/kWh
Daily Fixed Charge
57.89p/day
Local Sunshine
950kWh/kW
A 1 kW system generates ~950 kWh per year. A typical home uses ~2,700 kWh per year.
Typical System Size
6.0kW
For houses & bungalows in this area

Local Property Data

Property Types

Houses: 43% • Flats: 36% • Bungalows: 17% Based on 6,140 properties

Coverage

North Devon (100%)

Areas Covered

Ilfracombe East, Combe Martin, Mortehoe, Ilfracombe West, Marwood, Bratton Fleming

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 Western

EX33 (North Devon)
≈10.9 km away
Local sunshine: ~1,020 kWh/kWp · +7% vs EX34
EX31 (North Devon)
≈14.3 km away
Local sunshine: ~986 kWh/kWp · +4% vs EX34
EX32 (North Devon)
≈15.0 km away
Local sunshine: ~971 kWh/kWp · +2% vs EX34
EX35 (North Devon)
≈20.1 km away
Local sunshine: ~876 kWh/kWp · -8% vs EX34
EX39 (Torridge)
≈21.5 km away
Local sunshine: ~1,011 kWh/kWp · +6% vs EX34
EX37 (North Devon)
≈27.9 km away
Local sunshine: ~964 kWh/kWp · +2% vs EX34

Similar sunshine across the UK

SY4 (Shropshire)
~950 kWh/kWp · -0% vs EX34
DG6 (Dumfries and Galloway)
~950 kWh/kWp · -0% vs EX34
SA37 (Pembrokeshire)
~950 kWh/kWp · +0% vs EX34