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Solar panel cost in South Hams (TQ9)

See realistic solar installation costs, savings and payback for TQ9 (South Hams) 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
12.6 years
After this, it's pure profit
Upfront Cost
£12,207
What you pay to get started
Annual Benefit
£972
What you save every year
Profit Over 25 Years
£12,095
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: Bigger systems don’t shorten payback—cost and savings rise together per kW.
  • 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

Costs: Battery prices are typically £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 23.30p/kWh with a 58.32p/day standing charge. Your postcode’s south-facing sunshine yield is 1058 kWh/kW — 44 above 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 1058 kWh per year on a south-facing roof. We value self-used electricity at 23.3p and exported surplus at a baseline 10p via SEG. Use the calculator above for your exact tariff.

Unit rate
23.3p/kWh
Standing charge
58.3p/day
Sunshine yield (south)
1058 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: £810, Upfront: £10,173, Break-even: 12.6 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 2115 kWh 846 kWh 1269 kWh £197 £127 £324 £4,069 12.6 yrs £2,412
3 kW 3173 kWh 1269 kWh 1904 kWh £296 £190 £486 £6,104 12.6 yrs £3,617
4 kW 4230 kWh 1692 kWh 2538 kWh £394 £254 £648 £8,138 12.6 yrs £4,823
5 kW 5288 kWh 2115 kWh 3173 kWh £493 £317 £810 £10,173 12.6 yrs £6,029
6 kW 6345 kWh 2538 kWh 3807 kWh £591 £381 £972 £12,207 12.6 yrs £7,235
7 kW 7403 kWh 2961 kWh 4442 kWh £690 £444 £1,134 £14,242 12.6 yrs £8,441
8 kW 8460 kWh 3384 kWh 5076 kWh £789 £508 £1,296 £16,276 12.6 yrs £9,646

Assumptions: south-facing, sensible tilt; self-use shares from site rules; export at 10p baseline. Costs: panels £/kW = 2,035, battery £/kWh = 700.

3 kWh battery 5 kW example → Annual benefit: £951, Upfront: £12,273, Break-even: 12.9 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 2115 kWh 1269 kWh 846 kWh £296 £85 £380 £6,169 16.2 yrs £1,437
3 kW 3173 kWh 1904 kWh 1269 kWh £444 £127 £570 £8,204 14.4 yrs £3,205
4 kW 4230 kWh 2538 kWh 1692 kWh £591 £169 £761 £10,238 13.5 yrs £4,974
5 kW 5288 kWh 3173 kWh 2115 kWh £739 £212 £951 £12,273 12.9 yrs £6,742
6 kW 6345 kWh 3807 kWh 2538 kWh £887 £254 £1,141 £14,307 12.5 yrs £8,510
7 kW 7403 kWh 4442 kWh 2961 kWh £1,035 £296 £1,331 £16,342 12.3 yrs £10,279
8 kW 8460 kWh 5076 kWh 3384 kWh £1,183 £338 £1,521 £18,376 12.1 yrs £12,047

Assumptions: south-facing, sensible tilt; self-use shares from site rules; export at 10p baseline. Costs: panels £/kW = 2,035, battery £/kWh = 700.

5 kWh battery 5 kW example → Annual benefit: £1,021, Upfront: £13,673, 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 2115 kWh 1481 kWh 635 kWh £345 £63 £408 £7,569 18.5 yrs £599
3 kW 3173 kWh 2221 kWh 952 kWh £517 £95 £613 £9,604 15.7 yrs £2,649
4 kW 4230 kWh 2961 kWh 1269 kWh £690 £127 £817 £11,638 14.2 yrs £4,699
5 kW 5288 kWh 3701 kWh 1586 kWh £862 £159 £1,021 £13,673 13.4 yrs £6,749
6 kW 6345 kWh 4442 kWh 1904 kWh £1,035 £190 £1,225 £15,707 12.8 yrs £8,798
7 kW 7403 kWh 5182 kWh 2221 kWh £1,207 £222 £1,429 £17,742 12.4 yrs £10,848
8 kW 8460 kWh 5922 kWh 2538 kWh £1,380 £254 £1,634 £19,776 12.1 yrs £12,898

Assumptions: south-facing, sensible tilt; self-use shares from site rules; export at 10p baseline. Costs: panels £/kW = 2,035, battery £/kWh = 700.

7.5 kWh battery 5 kW example → Annual benefit: £1,042, Upfront: £15,423, Break-even: 14.8 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 2115 kWh 1544 kWh 571 kWh £360 £57 £417 £9,319 22.4 yrs £-982
3 kW 3173 kWh 2316 kWh 857 kWh £540 £86 £625 £11,354 18.2 yrs £1,152
4 kW 4230 kWh 3088 kWh 1142 kWh £720 £114 £834 £13,388 16.1 yrs £3,286
5 kW 5288 kWh 3860 kWh 1428 kWh £899 £143 £1,042 £15,423 14.8 yrs £5,421
6 kW 6345 kWh 4632 kWh 1713 kWh £1,079 £171 £1,251 £17,457 14.0 yrs £7,555
7 kW 7403 kWh 5404 kWh 1999 kWh £1,259 £200 £1,459 £19,492 13.4 yrs £9,689
8 kW 8460 kWh 6176 kWh 2284 kWh £1,439 £228 £1,667 £21,526 12.9 yrs £11,823

Assumptions: south-facing, sensible tilt; self-use shares from site rules; export at 10p baseline. Costs: panels £/kW = 2,035, battery £/kWh = 700.

10 kWh battery 5 kW example → Annual benefit: £1,056, Upfront: £17,173, Break-even: 16.3 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 2115 kWh 1586 kWh 529 kWh £370 £53 £422 £11,069 26.2 yrs £-2,619
3 kW 3173 kWh 2379 kWh 793 kWh £554 £79 £634 £13,104 20.7 yrs £-429
4 kW 4230 kWh 3173 kWh 1058 kWh £739 £106 £845 £15,138 17.9 yrs £1,761
5 kW 5288 kWh 3966 kWh 1322 kWh £924 £132 £1,056 £17,173 16.3 yrs £3,952
6 kW 6345 kWh 4759 kWh 1586 kWh £1,109 £159 £1,267 £19,207 15.2 yrs £6,142
7 kW 7403 kWh 5552 kWh 1851 kWh £1,294 £185 £1,479 £21,242 14.4 yrs £8,333
8 kW 8460 kWh 6345 kWh 2115 kWh £1,478 £212 £1,690 £23,276 13.8 yrs £10,523

Assumptions: south-facing, sensible tilt; self-use shares from site rules; export at 10p baseline. Costs: panels £/kW = 2,035, battery £/kWh = 700.

13.5 kWh battery 5 kW example → Annual benefit: £1,070, Upfront: £19,623, Break-even: 18.3 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 2115 kWh 1629 kWh 486 kWh £379 £49 £428 £13,519 31.6 yrs £-4,957
3 kW 3173 kWh 2443 kWh 730 kWh £569 £73 £642 £15,554 24.2 yrs £-2,710
4 kW 4230 kWh 3257 kWh 973 kWh £759 £97 £856 £17,588 20.5 yrs £-464
5 kW 5288 kWh 4072 kWh 1216 kWh £949 £122 £1,070 £19,623 18.3 yrs £1,783
6 kW 6345 kWh 4886 kWh 1459 kWh £1,138 £146 £1,284 £21,657 16.9 yrs £4,030
7 kW 7403 kWh 5700 kWh 1703 kWh £1,328 £170 £1,498 £23,692 15.8 yrs £6,276
8 kW 8460 kWh 6514 kWh 1946 kWh £1,518 £195 £1,712 £25,726 15.0 yrs £8,523

Assumptions: south-facing, sensible tilt; self-use shares from site rules; export at 10p baseline. Costs: panels £/kW = 2,035, 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.

Insights for TQ9

Figures below are tailored to TQ9 — click through for full league tables.

Big-Roof Britain Rank #556 of 2182
5.5 kWp (UK avg 5.1 kWp)
~11 panels (≈430 W)
Solar Payback Index Rank #190 of 2997
11.1 years (UK avg 12.6 years)
~£1,095 /yr • £12,207 upfront
Standing-Charge Drag Rank #585 of 2997
18.4% (UK avg 24.6%) drag on savings
£201 fixed • ~£1,095 /yr value
Aspect Penalty View ranking →
East −19.2% West −20.6%
Typical output loss versus a south-facing roof (lower is better)

Seasonal solar output in TQ9

Monthly generation per kilowatt of solar panels

kWh 40 Jan 55 Feb 90 Mar 122 Apr 130 May 129 Jun 129 Jul 117 Aug 97 Sep 67 Oct 47 Nov 33 Dec
Best month Worst month Winter (Dec–Feb) Other months

Winter output: 48.4% 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 43 kWh per month; the average month produces around 88 kWh. So a typical 4 kW home system would generate roughly 171 kWh in winter, or 353 kWh in an average month.

Your Area at a Glance

Your Electricity Rate
23.30p/kWh
Daily Fixed Charge
58.32p/day
Local Sunshine
1058kWh/kW
A 1 kW system generates ~1058 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: 68% • Flats: 15% • Bungalows: 15% Based on 6,468 properties

Coverage

South Hams (97%)|Teignbridge (3%)

Areas Covered

Totnes, Dartington & Staverton, West Dart, Blackawton & Stoke Fleming, Dartmouth & East Dart, Marldon & Littlehempston, Allington & Strete, South Brent + 3 more

Data Sources & Assumptions

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

Electricity rates: Ofgem price cap, Q1 2026

Installation costs: MCS certified installer data, March 2025

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

TQ3 (Torbay)
≈8.2 km away
Local sunshine: ~1,044 kWh/kWp · -1% vs TQ9
TQ4 (Torbay)
≈8.4 km away
Local sunshine: ~1,058 kWh/kWp · +0% vs TQ9
TQ11 (Teignbridge)
≈8.8 km away
Local sunshine: ~1,029 kWh/kWp · -3% vs TQ9
TQ10 (South Hams)
≈10.3 km away
Local sunshine: ~1,034 kWh/kWp · -2% vs TQ9
TQ2 (Torbay)
≈11.1 km away
Local sunshine: ~1,043 kWh/kWp · -1% vs TQ9
TQ6 (South Hams)
≈11.5 km away
Local sunshine: ~1,062 kWh/kWp · +0% vs TQ9

Similar sunshine across the UK

PO8 (East Hampshire)
~1,058 kWh/kWp · +0% vs TQ9
NR14 (South Norfolk)
~1,057 kWh/kWp · -0% vs TQ9
ME3 (Medway)
~1,058 kWh/kWp · +0% vs TQ9