Solar panel cost in Thanet (CT10)

See realistic solar installation costs, savings and payback for CT10 (Thanet) 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
9.1 years
After this, it's pure profit
Upfront Cost
£9,767
What you pay to get started
Annual Benefit
£1,071
What you save every year
Profit Over 25 Years
£16,999
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 6.0 kW, with most eligible homes comfortably fitting within 3–6 kW. Each kilowatt of panels produces roughly 1071 kWh per year on a south-facing roof. We value self-used electricity at 26.7p and exported surplus at a baseline 10p via SEG. Use the calculator above for your exact tariff.

Unit rate
26.7p/kWh
Standing charge
54.5p/day
Sunshine yield (south)
1071 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: £892, Upfront: £8,139, Break-even: 9.1 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 2141 kWh 856 kWh 1285 kWh £228 £128 £357 £3,256 9.1 yrs £3,882
3 kW 3212 kWh 1285 kWh 1927 kWh £343 £193 £535 £4,883 9.1 yrs £5,823
4 kW 4282 kWh 1713 kWh 2569 kWh £457 £257 £714 £6,511 9.1 yrs £7,764
5 kW 5353 kWh 2141 kWh 3212 kWh £571 £321 £892 £8,139 9.1 yrs £9,705
6 kW 6423 kWh 2569 kWh 3854 kWh £685 £385 £1,071 £9,767 9.1 yrs £11,646
7 kW 7494 kWh 2998 kWh 4496 kWh £799 £450 £1,249 £11,394 9.1 yrs £13,587
8 kW 8564 kWh 3426 kWh 5139 kWh £914 £514 £1,428 £13,022 9.1 yrs £15,528

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: £1,071, Upfront: £10,239, Break-even: 9.6 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 2141 kWh 1285 kWh 856 kWh £343 £86 £428 £5,356 12.5 yrs £3,210
3 kW 3212 kWh 1927 kWh 1285 kWh £514 £128 £642 £6,983 10.9 yrs £5,865
4 kW 4282 kWh 2569 kWh 1713 kWh £685 £171 £857 £8,611 10.1 yrs £8,519
5 kW 5353 kWh 3212 kWh 2141 kWh £857 £214 £1,071 £10,239 9.6 yrs £11,174
6 kW 6423 kWh 3854 kWh 2569 kWh £1,028 £257 £1,285 £11,867 9.2 yrs £13,829
7 kW 7494 kWh 4496 kWh 2998 kWh £1,199 £300 £1,499 £13,494 9.0 yrs £16,484
8 kW 8564 kWh 5139 kWh 3426 kWh £1,370 £343 £1,713 £15,122 8.8 yrs £19,139

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: £1,160, Upfront: £11,639, Break-even: 10.0 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 2141 kWh 1499 kWh 642 kWh £400 £64 £464 £6,756 14.6 yrs £2,524
3 kW 3212 kWh 2248 kWh 963 kWh £600 £96 £696 £8,383 12.0 yrs £5,535
4 kW 4282 kWh 2998 kWh 1285 kWh £799 £128 £928 £10,011 10.8 yrs £8,547
5 kW 5353 kWh 3747 kWh 1606 kWh £999 £161 £1,160 £11,639 10.0 yrs £11,559
6 kW 6423 kWh 4496 kWh 1927 kWh £1,199 £193 £1,392 £13,267 9.5 yrs £14,571
7 kW 7494 kWh 5246 kWh 2248 kWh £1,399 £225 £1,624 £14,894 9.2 yrs £17,583
8 kW 8564 kWh 5995 kWh 2569 kWh £1,599 £257 £1,856 £16,522 8.9 yrs £20,594

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: £1,187, Upfront: £13,389, 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 2141 kWh 1563 kWh 578 kWh £417 £58 £475 £8,506 17.9 yrs £988
3 kW 3212 kWh 2345 kWh 867 kWh £625 £87 £712 £10,133 14.2 yrs £4,107
4 kW 4282 kWh 3126 kWh 1156 kWh £834 £116 £949 £11,761 12.4 yrs £7,225
5 kW 5353 kWh 3908 kWh 1445 kWh £1,042 £145 £1,187 £13,389 11.3 yrs £10,344
6 kW 6423 kWh 4689 kWh 1734 kWh £1,251 £173 £1,424 £15,017 10.5 yrs £13,463
7 kW 7494 kWh 5471 kWh 2023 kWh £1,459 £202 £1,661 £16,644 10.0 yrs £16,582
8 kW 8564 kWh 6252 kWh 2312 kWh £1,667 £231 £1,899 £18,272 9.6 yrs £19,701

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: £1,205, Upfront: £15,139, 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 2141 kWh 1606 kWh 535 kWh £428 £54 £482 £10,256 21.3 yrs £-619
3 kW 3212 kWh 2409 kWh 803 kWh £642 £80 £723 £11,883 16.4 yrs £2,571
4 kW 4282 kWh 3212 kWh 1071 kWh £857 £107 £964 £13,511 14.0 yrs £5,761
5 kW 5353 kWh 4015 kWh 1338 kWh £1,071 £134 £1,205 £15,139 12.6 yrs £8,951
6 kW 6423 kWh 4817 kWh 1606 kWh £1,285 £161 £1,445 £16,767 11.6 yrs £12,142
7 kW 7494 kWh 5620 kWh 1873 kWh £1,499 £187 £1,686 £18,394 10.9 yrs £15,332
8 kW 8564 kWh 6423 kWh 2141 kWh £1,713 £214 £1,927 £20,022 10.4 yrs £18,522

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: £1,222, Upfront: £17,589, Break-even: 14.4 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 2141 kWh 1649 kWh 492 kWh £440 £49 £489 £12,706 26.0 yrs £-2,927
3 kW 3212 kWh 2473 kWh 739 kWh £660 £74 £733 £14,333 19.5 yrs £335
4 kW 4282 kWh 3297 kWh 985 kWh £879 £98 £978 £15,961 16.3 yrs £3,597
5 kW 5353 kWh 4122 kWh 1231 kWh £1,099 £123 £1,222 £17,589 14.4 yrs £6,858
6 kW 6423 kWh 4946 kWh 1477 kWh £1,319 £148 £1,467 £19,217 13.1 yrs £10,120
7 kW 7494 kWh 5770 kWh 1724 kWh £1,539 £172 £1,711 £20,844 12.2 yrs £13,381
8 kW 8564 kWh 6595 kWh 1970 kWh £1,759 £197 £1,956 £22,472 11.5 yrs £16,643

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 Thanet

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 CT10

Monthly generation per kilowatt of solar panels

kWh 39 Jan 54 Feb 91 Mar 125 Apr 132 May 132 Jun 131 Jul 119 Aug 101 Sep 68 Oct 45 Nov 34 Dec
Best month Worst month Winter (Dec–Feb) Other months

Winter output: 47.4% 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 89 kWh. So a typical 4 kW home system would generate roughly 169 kWh in winter, or 357 kWh in an average month.

Your Area at a Glance

Your Electricity Rate
26.67p/kWh
Daily Fixed Charge
54.45p/day
Local Sunshine
1071kWh/kW
A 1 kW system generates ~1071 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: 50% • Flats: 27% • Bungalows: 20% Based on 7,851 properties

Coverage

Thanet (100%)

Areas Covered

Viking, St Peters, Bradstowe, Beacon Road, Kingsgate, Cliftonville East, Dane Valley, Thanet Villages + 4 more

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.