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Solar panel cost in Cumberland (CA8)

See realistic solar installation costs, savings and payback for CA8 (Cumberland) 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
£9,767
What you pay to get started
Annual Benefit
£776
What you save every year
Profit Over 25 Years
£9,628
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 North West, the current unit rate is 26.13p/kWh with a 47.61p/day standing charge. Your postcode’s south-facing sunshine yield is 786 kWh/kW — 84 below the regional median (870).

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 786 kWh per year on a south-facing roof. We value self-used electricity at 26.1p and exported surplus at a baseline 10p via SEG. Use the calculator above for your exact tariff.

Unit rate
26.1p/kWh
Standing charge
47.6p/day
Sunshine yield (south)
786 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: £646, Upfront: £8,139, 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 1572 kWh 629 kWh 943 kWh £164 £94 £259 £3,256 12.6 yrs £1,916
3 kW 2358 kWh 943 kWh 1415 kWh £246 £141 £388 £4,883 12.6 yrs £2,875
4 kW 3144 kWh 1257 kWh 1886 kWh £329 £189 £517 £6,511 12.6 yrs £3,833
5 kW 3930 kWh 1572 kWh 2358 kWh £411 £236 £646 £8,139 12.6 yrs £4,791
6 kW 4716 kWh 1886 kWh 2829 kWh £493 £283 £776 £9,767 12.6 yrs £5,749
7 kW 5501 kWh 2201 kWh 3301 kWh £575 £330 £905 £11,394 12.6 yrs £6,708
8 kW 6287 kWh 2515 kWh 3772 kWh £657 £377 £1,034 £13,022 12.6 yrs £7,666

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: £773, Upfront: £10,239, Break-even: 13.2 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1572 kWh 943 kWh 629 kWh £246 £63 £309 £5,356 17.3 yrs £831
3 kW 2358 kWh 1415 kWh 943 kWh £370 £94 £464 £6,983 15.1 yrs £2,296
4 kW 3144 kWh 1886 kWh 1257 kWh £493 £126 £619 £8,611 13.9 yrs £3,761
5 kW 3930 kWh 2358 kWh 1572 kWh £616 £157 £773 £10,239 13.2 yrs £5,227
6 kW 4716 kWh 2829 kWh 1886 kWh £739 £189 £928 £11,867 12.8 yrs £6,692
7 kW 5501 kWh 3301 kWh 2201 kWh £863 £220 £1,083 £13,494 12.5 yrs £8,157
8 kW 6287 kWh 3772 kWh 2515 kWh £986 £251 £1,237 £15,122 12.2 yrs £9,622

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: £837, Upfront: £11,639, Break-even: 13.9 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1572 kWh 1100 kWh 472 kWh £288 £47 £335 £6,756 20.2 yrs £-62
3 kW 2358 kWh 1650 kWh 707 kWh £431 £71 £502 £8,383 16.7 yrs £1,657
4 kW 3144 kWh 2201 kWh 943 kWh £575 £94 £669 £10,011 15.0 yrs £3,375
5 kW 3930 kWh 2751 kWh 1179 kWh £719 £118 £837 £11,639 13.9 yrs £5,094
6 kW 4716 kWh 3301 kWh 1415 kWh £863 £141 £1,004 £13,267 13.2 yrs £6,813
7 kW 5501 kWh 3851 kWh 1650 kWh £1,006 £165 £1,171 £14,894 12.7 yrs £8,532
8 kW 6287 kWh 4401 kWh 1886 kWh £1,150 £189 £1,339 £16,522 12.3 yrs £10,251

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: £856, Upfront: £13,389, Break-even: 15.6 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1572 kWh 1147 kWh 424 kWh £300 £42 £342 £8,506 24.9 yrs £-1,660
3 kW 2358 kWh 1721 kWh 637 kWh £450 £64 £513 £10,133 19.7 yrs £135
4 kW 3144 kWh 2295 kWh 849 kWh £600 £85 £685 £11,761 17.2 yrs £1,930
5 kW 3930 kWh 2869 kWh 1061 kWh £750 £106 £856 £13,389 15.6 yrs £3,725
6 kW 4716 kWh 3442 kWh 1273 kWh £899 £127 £1,027 £15,017 14.6 yrs £5,519
7 kW 5501 kWh 4016 kWh 1485 kWh £1,049 £149 £1,198 £16,644 13.9 yrs £7,314
8 kW 6287 kWh 4590 kWh 1698 kWh £1,199 £170 £1,369 £18,272 13.3 yrs £9,109

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: £868, Upfront: £15,139, Break-even: 17.4 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1572 kWh 1179 kWh 393 kWh £308 £39 £347 £10,256 29.5 yrs £-3,309
3 kW 2358 kWh 1768 kWh 589 kWh £462 £59 £521 £11,883 22.8 yrs £-1,463
4 kW 3144 kWh 2358 kWh 786 kWh £616 £79 £695 £13,511 19.4 yrs £382
5 kW 3930 kWh 2947 kWh 982 kWh £770 £98 £868 £15,139 17.4 yrs £2,228
6 kW 4716 kWh 3537 kWh 1179 kWh £924 £118 £1,042 £16,767 16.1 yrs £4,074
7 kW 5501 kWh 4126 kWh 1375 kWh £1,078 £138 £1,216 £18,394 15.1 yrs £5,919
8 kW 6287 kWh 4716 kWh 1572 kWh £1,232 £157 £1,389 £20,022 14.4 yrs £7,765

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: £881, Upfront: £17,589, Break-even: 20.0 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1572 kWh 1210 kWh 362 kWh £316 £36 £352 £12,706 36.1 yrs £-5,657
3 kW 2358 kWh 1815 kWh 542 kWh £474 £54 £529 £14,333 27.1 yrs £-3,761
4 kW 3144 kWh 2421 kWh 723 kWh £633 £72 £705 £15,961 22.6 yrs £-1,865
5 kW 3930 kWh 3026 kWh 904 kWh £791 £90 £881 £17,589 20.0 yrs £32
6 kW 4716 kWh 3631 kWh 1085 kWh £949 £108 £1,057 £19,217 18.2 yrs £1,928
7 kW 5501 kWh 4236 kWh 1265 kWh £1,107 £127 £1,233 £20,844 16.9 yrs £3,824
8 kW 6287 kWh 4841 kWh 1446 kWh £1,265 £145 £1,410 £22,472 15.9 yrs £5,721

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 Cumberland

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 CA8

Figures below are tailored to CA8 — click through for full league tables.

Big-Roof Britain Rank #147 of 2182
6.3 kWp (UK avg 5.1 kWp)
~13 panels (≈430 W)
Solar Payback Index Rank #2732 of 2996
12.6 years (UK avg 10.8 years)
~£776 /yr • £9,767 upfront
Standing-Charge Drag Rank #960 of 2996
22.4% (UK avg 26.6%) drag on savings
£174 fixed • ~£776 /yr value
Aspect Penalty View ranking →
East −18.6% West −17.9%
Typical output loss versus a south-facing roof (lower is better)

Seasonal solar output in CA8

Monthly generation per kilowatt of solar panels

kWh 20 Jan 37 Feb 66 Mar 98 Apr 108 May 102 Jun 101 Jul 88 Aug 71 Sep 47 Oct 30 Nov 19 Dec
Best month Worst month Winter (Dec–Feb) Other months

Winter output: 38.6% 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 25 kWh per month; the average month produces around 65 kWh. So a typical 4 kW home system would generate roughly 101 kWh in winter, or 262 kWh in an average month.

Your Area at a Glance

Your Electricity Rate
26.13p/kWh
Daily Fixed Charge
47.61p/day
Local Sunshine
786kWh/kW
A 1 kW system generates ~786 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: 72% • Flats: 10% • Bungalows: 17% Based on 2,984 properties

Coverage

Cumberland (86%)|Northumberland (14%)

Areas Covered

Brampton, Corby and Hayton, Haydon & Hadrian, Haltwhistle, Houghton and Irthington, Denton Holme, Alston and Fellside, Bellingham

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 North West

CA4 (Cumberland)
≈10.5 km away
Local sunshine: ~875 kWh/kWp · +11% vs CA8
CA6 (Cumberland)
≈13.5 km away
Local sunshine: ~893 kWh/kWp · +14% vs CA8
CA1 (Cumberland)
≈13.7 km away
Local sunshine: ~886 kWh/kWp · +13% vs CA8
CA3 (Cumberland)
≈14.1 km away
Local sunshine: ~884 kWh/kWp · +12% vs CA8
CA99 (Cumberland)
≈15.0 km away
Local sunshine: ~886 kWh/kWp · +13% vs CA8
CA2 (Cumberland)
≈15.5 km away
Local sunshine: ~885 kWh/kWp · +13% vs CA8

Similar sunshine across the UK

IV49 (Highland)
~786 kWh/kWp · -0% vs CA8
IV34 (Moray)
~786 kWh/kWp · +0% vs CA8
PA30 (Argyll and Bute)
~785 kWh/kWp · -0% vs CA8