Solar explained to clever people by people who are not trying to be clever

Solar Panels in TS1 (Middlesbrough)

See if solar pays off for you in Middlesbrough — price, savings and payback in under a minute (official UK data).

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
13.7 years
After this, it's pure profit
Upfront Cost
£8,138
What you pay to get started
Annual Benefit
£596
What you save every year
Profit Over 25 Years
£6,763
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

Read the full story

A typical roof here lands around 4.0 kW, with most eligible homes comfortably fitting within 3–6 kW. Each kilowatt of panels produces roughly 921 kWh per year on a south-facing roof. We value self-used electricity at 25.4p and exported surplus at a baseline 10p via SEG. Use the calculator above for your exact tariff.

Unit rate
25.4p/kWh
Standing charge
59.9p/day
Sunshine yield (south)
921 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: £745, Upfront: £10,173, Break-even: 13.7 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1843 kWh 737 kWh 1106 kWh £187 £111 £298 £4,069 13.7 yrs £1,892
3 kW 2764 kWh 1106 kWh 1659 kWh £281 £166 £447 £6,104 13.7 yrs £2,837
4 kW 3686 kWh 1474 kWh 2211 kWh £375 £221 £596 £8,138 13.7 yrs £3,783
5 kW 4607 kWh 1843 kWh 2764 kWh £469 £276 £745 £10,173 13.7 yrs £4,729
6 kW 5529 kWh 2211 kWh 3317 kWh £562 £332 £894 £12,207 13.7 yrs £5,675
7 kW 6450 kWh 2580 kWh 3870 kWh £656 £387 £1,043 £14,242 13.7 yrs £6,621
8 kW 7372 kWh 2949 kWh 4423 kWh £750 £442 £1,192 £16,276 13.7 yrs £7,566

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: £887, Upfront: £12,273, Break-even: 13.8 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1843 kWh 1106 kWh 737 kWh £281 £74 £355 £6,169 17.4 yrs £929
3 kW 2764 kWh 1659 kWh 1106 kWh £422 £111 £532 £8,204 15.4 yrs £2,444
4 kW 3686 kWh 2211 kWh 1474 kWh £562 £147 £710 £10,238 14.4 yrs £3,958
5 kW 4607 kWh 2764 kWh 1843 kWh £703 £184 £887 £12,273 13.8 yrs £5,473
6 kW 5529 kWh 3317 kWh 2211 kWh £844 £221 £1,065 £14,307 13.4 yrs £6,987
7 kW 6450 kWh 3870 kWh 2580 kWh £984 £258 £1,242 £16,342 13.2 yrs £8,502
8 kW 7372 kWh 4423 kWh 2949 kWh £1,125 £295 £1,420 £18,376 12.9 yrs £10,016

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: £958, Upfront: £13,673, 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 1843 kWh 1290 kWh 553 kWh £328 £55 £383 £7,569 19.7 yrs £98
3 kW 2764 kWh 1935 kWh 829 kWh £492 £83 £575 £9,604 16.7 yrs £1,897
4 kW 3686 kWh 2580 kWh 1106 kWh £656 £111 £767 £11,638 15.2 yrs £3,695
5 kW 4607 kWh 3225 kWh 1382 kWh £820 £138 £958 £13,673 14.3 yrs £5,494
6 kW 5529 kWh 3870 kWh 1659 kWh £984 £166 £1,150 £15,707 13.7 yrs £7,293
7 kW 6450 kWh 4515 kWh 1935 kWh £1,148 £194 £1,342 £17,742 13.2 yrs £9,092
8 kW 7372 kWh 5160 kWh 2211 kWh £1,312 £221 £1,533 £19,776 12.9 yrs £10,891

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: £980, Upfront: £15,423, Break-even: 15.7 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1843 kWh 1345 kWh 498 kWh £342 £50 £392 £9,319 23.8 yrs £-1,482
3 kW 2764 kWh 2018 kWh 746 kWh £513 £75 £588 £11,354 19.3 yrs £403
4 kW 3686 kWh 2691 kWh 995 kWh £684 £100 £784 £13,388 17.1 yrs £2,287
5 kW 4607 kWh 3363 kWh 1244 kWh £855 £124 £980 £15,423 15.7 yrs £4,171
6 kW 5529 kWh 4036 kWh 1493 kWh £1,026 £149 £1,176 £17,457 14.8 yrs £6,055
7 kW 6450 kWh 4709 kWh 1742 kWh £1,197 £174 £1,372 £19,492 14.2 yrs £7,939
8 kW 7372 kWh 5381 kWh 1990 kWh £1,368 £199 £1,567 £21,526 13.7 yrs £9,823

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: £994, Upfront: £17,173, Break-even: 17.3 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1843 kWh 1382 kWh 461 kWh £351 £46 £398 £11,069 27.8 yrs £-3,118
3 kW 2764 kWh 2073 kWh 691 kWh £527 £69 £596 £13,104 22.0 yrs £-1,177
4 kW 3686 kWh 2764 kWh 921 kWh £703 £92 £795 £15,138 19.0 yrs £764
5 kW 4607 kWh 3455 kWh 1152 kWh £879 £115 £994 £17,173 17.3 yrs £2,705
6 kW 5529 kWh 4146 kWh 1382 kWh £1,054 £138 £1,193 £19,207 16.1 yrs £4,646
7 kW 6450 kWh 4838 kWh 1613 kWh £1,230 £161 £1,391 £21,242 15.3 yrs £6,587
8 kW 7372 kWh 5529 kWh 1843 kWh £1,406 £184 £1,590 £23,276 14.6 yrs £8,528

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: £1,008, Upfront: £19,623, Break-even: 19.5 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1843 kWh 1419 kWh 424 kWh £361 £42 £403 £13,519 33.5 yrs £-5,454
3 kW 2764 kWh 2129 kWh 636 kWh £541 £64 £605 £15,554 25.7 yrs £-3,456
4 kW 3686 kWh 2838 kWh 848 kWh £722 £85 £806 £17,588 21.8 yrs £-1,458
5 kW 4607 kWh 3548 kWh 1060 kWh £902 £106 £1,008 £19,623 19.5 yrs £540
6 kW 5529 kWh 4257 kWh 1272 kWh £1,083 £127 £1,210 £21,657 17.9 yrs £2,537
7 kW 6450 kWh 4967 kWh 1484 kWh £1,263 £148 £1,411 £23,692 16.8 yrs £4,535
8 kW 7372 kWh 5676 kWh 1695 kWh £1,443 £170 £1,613 £25,726 15.9 yrs £6,533

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.

Your Area at a Glance

Your Electricity Rate
25.43p/kWh
Daily Fixed Charge
59.86p/day
Local Sunshine
921kWh/kW
A 1 kW system generates ~921 kWh per year. A typical home uses ~2,700 kWh per year.
Typical System Size
4.0kW
For houses & bungalows in this area

Local Property Data

Property Types

Houses: 67% • Flats: 32% • Bungalows: 0% Based on 7,615 properties

Coverage

Middlesbrough (100%)

Areas Covered

Central, Newport, Park, Ayresome, Linthorpe, Teesville

Data Sources & Assumptions

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

Electricity rates: Ofgem price cap, Q4 2025

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.