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Big Roof Britain Solar Payback Index Standing Charge Drag

Solar Panels in TS17 (Stockton-on-Tees)

See if solar pays off for you in Stockton-on-Tees — 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
£10,173
What you pay to get started
Annual Benefit
£744
What you save every year
Profit Over 25 Years
£8,429
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 Northern, the current unit rate is 25.43p/kWh with a 59.86p/day standing charge. Your postcode’s south-facing sunshine yield is 920 kWh/kW — 6 below the regional median (926).

Read the full story

A typical roof here lands around 5.0 kW, with most eligible homes comfortably fitting within 3–6 kW. Each kilowatt of panels produces roughly 920 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)
920 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: £744, 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 1840 kWh 736 kWh 1104 kWh £187 £110 £298 £4,069 13.7 yrs £1,884
3 kW 2761 kWh 1104 kWh 1656 kWh £281 £166 £446 £6,104 13.7 yrs £2,825
4 kW 3681 kWh 1472 kWh 2208 kWh £374 £221 £595 £8,138 13.7 yrs £3,767
5 kW 4601 kWh 1840 kWh 2761 kWh £468 £276 £744 £10,173 13.7 yrs £4,709
6 kW 5521 kWh 2208 kWh 3313 kWh £562 £331 £893 £12,207 13.7 yrs £5,651
7 kW 6441 kWh 2577 kWh 3865 kWh £655 £386 £1,042 £14,242 13.7 yrs £6,592
8 kW 7362 kWh 2945 kWh 4417 kWh £749 £442 £1,191 £16,276 13.7 yrs £7,534

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: £886, Upfront: £12,273, 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 1840 kWh 1104 kWh 736 kWh £281 £74 £354 £6,169 17.4 yrs £919
3 kW 2761 kWh 1656 kWh 1104 kWh £421 £110 £532 £8,204 15.4 yrs £2,429
4 kW 3681 kWh 2208 kWh 1472 kWh £562 £147 £709 £10,238 14.4 yrs £3,939
5 kW 4601 kWh 2761 kWh 1840 kWh £702 £184 £886 £12,273 13.9 yrs £5,448
6 kW 5521 kWh 3313 kWh 2208 kWh £842 £221 £1,063 £14,307 13.5 yrs £6,958
7 kW 6441 kWh 3865 kWh 2577 kWh £983 £258 £1,240 £16,342 13.2 yrs £8,468
8 kW 7362 kWh 4417 kWh 2945 kWh £1,123 £294 £1,418 £18,376 13.0 yrs £9,978

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: £957, 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 1840 kWh 1288 kWh 552 kWh £328 £55 £383 £7,569 19.8 yrs £87
3 kW 2761 kWh 1932 kWh 828 kWh £491 £83 £574 £9,604 16.7 yrs £1,881
4 kW 3681 kWh 2577 kWh 1104 kWh £655 £110 £766 £11,638 15.2 yrs £3,675
5 kW 4601 kWh 3221 kWh 1380 kWh £819 £138 £957 £13,673 14.3 yrs £5,468
6 kW 5521 kWh 3865 kWh 1656 kWh £983 £166 £1,148 £15,707 13.7 yrs £7,262
7 kW 6441 kWh 4509 kWh 1932 kWh £1,147 £193 £1,340 £17,742 13.2 yrs £9,056
8 kW 7362 kWh 5153 kWh 2208 kWh £1,310 £221 £1,531 £19,776 12.9 yrs £10,849

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: £978, Upfront: £15,423, Break-even: 15.8 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1840 kWh 1343 kWh 497 kWh £342 £50 £391 £9,319 23.8 yrs £-1,492
3 kW 2761 kWh 2015 kWh 745 kWh £512 £75 £587 £11,354 19.3 yrs £387
4 kW 3681 kWh 2687 kWh 994 kWh £683 £99 £783 £13,388 17.1 yrs £2,265
5 kW 4601 kWh 3359 kWh 1242 kWh £854 £124 £978 £15,423 15.8 yrs £4,144
6 kW 5521 kWh 4030 kWh 1491 kWh £1,025 £149 £1,174 £17,457 14.9 yrs £6,023
7 kW 6441 kWh 4702 kWh 1739 kWh £1,196 £174 £1,370 £19,492 14.2 yrs £7,902
8 kW 7362 kWh 5374 kWh 1988 kWh £1,367 £199 £1,565 £21,526 13.8 yrs £9,781

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: £993, 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 1840 kWh 1380 kWh 460 kWh £351 £46 £397 £11,069 27.9 yrs £-3,129
3 kW 2761 kWh 2070 kWh 690 kWh £527 £69 £596 £13,104 22.0 yrs £-1,193
4 kW 3681 kWh 2761 kWh 920 kWh £702 £92 £794 £15,138 19.1 yrs £743
5 kW 4601 kWh 3451 kWh 1150 kWh £878 £115 £993 £17,173 17.3 yrs £2,678
6 kW 5521 kWh 4141 kWh 1380 kWh £1,053 £138 £1,191 £19,207 16.1 yrs £4,614
7 kW 6441 kWh 4831 kWh 1610 kWh £1,229 £161 £1,390 £21,242 15.3 yrs £6,550
8 kW 7362 kWh 5521 kWh 1840 kWh £1,404 £184 £1,588 £23,276 14.7 yrs £8,485

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: £1,007, 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 1840 kWh 1417 kWh 423 kWh £360 £42 £403 £13,519 33.6 yrs £-5,465
3 kW 2761 kWh 2126 kWh 635 kWh £541 £63 £604 £15,554 25.7 yrs £-3,473
4 kW 3681 kWh 2834 kWh 847 kWh £721 £85 £805 £17,588 21.8 yrs £-1,480
5 kW 4601 kWh 3543 kWh 1058 kWh £901 £106 £1,007 £19,623 19.5 yrs £512
6 kW 5521 kWh 4251 kWh 1270 kWh £1,081 £127 £1,208 £21,657 17.9 yrs £2,505
7 kW 6441 kWh 4960 kWh 1482 kWh £1,261 £148 £1,409 £23,692 16.8 yrs £4,497
8 kW 7362 kWh 5668 kWh 1693 kWh £1,441 £169 £1,611 £25,726 16.0 yrs £6,490

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 TS17

Figures below are tailored to TS17 — click through for full league tables.

Big-Roof Britain Rank #1171 of 2182
4.9 kWp (UK avg 5.1 kWp)
~10 panels (≈430 W)
Solar Payback Index Rank #2364 of 2997
12.0 years (UK avg 11.3 years)
~£851 /yr • £10,173 upfront
Standing-Charge Drag Rank #2357 of 2997
25.7% (UK avg 21.7%) drag on savings
£218 fixed • ~£851 /yr value

Your Area at a Glance

Your Electricity Rate
25.43p/kWh
Daily Fixed Charge
59.86p/day
Local Sunshine
920kWh/kW
A 1 kW system generates ~920 kWh per year. A typical home uses ~2,700 kWh per year.
Typical System Size
5.0kW
For houses & bungalows in this area

Local Property Data

Property Types

Houses: 76% • Flats: 16% • Bungalows: 8% Based on 11,728 properties

Coverage

Stockton-on-Tees (99%)|Middlesbrough (1%)

Areas Covered

Mandale & Victoria, Village, Stainsby Hill, Ingleby Barwick North, Ingleby Barwick South, Newtown, Southern Villages, Trimdon + 4 more

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.

Compare nearby areas

Nearby in Northern

TS18 (Stockton-on-Tees)
≈2.8 km away
Local sunshine: ~924 kWh/kWp · +0% vs TS17
TS5 (Middlesbrough)
≈3.6 km away
Local sunshine: ~925 kWh/kWp · +1% vs TS17
TS16 (Stockton-on-Tees)
≈3.8 km away
Local sunshine: ~920 kWh/kWp · -0% vs TS17
TS19 (Stockton-on-Tees)
≈4.3 km away
Local sunshine: ~924 kWh/kWp · +0% vs TS17
TS20 (Stockton-on-Tees)
≈5.1 km away
Local sunshine: ~925 kWh/kWp · +0% vs TS17
TS15 (Stockton-on-Tees)
≈5.5 km away
Local sunshine: ~902 kWh/kWp · -2% vs TS17

Similar sunshine across the UK

L8 (Liverpool)
~920 kWh/kWp · +0% vs TS17
L17 (Liverpool)
~920 kWh/kWp · -0% vs TS17
L15 (Liverpool)
~920 kWh/kWp · +0% vs TS17