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Solar panel cost in Mid Suffolk (IP23)

See realistic solar installation costs, savings and payback for IP23 (Mid Suffolk) 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
9.6 years
After this, it's pure profit
Upfront Cost
£9,767
What you pay to get started
Annual Benefit
£1,014
What you save every year
Profit Over 25 Years
£15,589
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 Eastern, the current unit rate is 26.38p/kWh with a 53.94p/day standing charge. Your postcode’s south-facing sunshine yield is 1021 kWh/kW — 12 above the regional median (1009).

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 1021 kWh per year on a south-facing roof. We value self-used electricity at 26.4p and exported surplus at a baseline 10p via SEG. Use the calculator above for your exact tariff.

Unit rate
26.4p/kWh
Standing charge
53.9p/day
Sunshine yield (south)
1021 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: £845, Upfront: £8,139, 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 2043 kWh 817 kWh 1226 kWh £216 £123 £338 £3,256 9.6 yrs £3,506
3 kW 3064 kWh 1226 kWh 1838 kWh £323 £184 £507 £4,883 9.6 yrs £5,259
4 kW 4085 kWh 1634 kWh 2451 kWh £431 £245 £676 £6,511 9.6 yrs £7,012
5 kW 5106 kWh 2043 kWh 3064 kWh £539 £306 £845 £8,139 9.6 yrs £8,765
6 kW 6128 kWh 2451 kWh 3677 kWh £647 £368 £1,014 £9,767 9.6 yrs £10,518
7 kW 7149 kWh 2860 kWh 4289 kWh £754 £429 £1,183 £11,394 9.6 yrs £12,271
8 kW 8170 kWh 3268 kWh 4902 kWh £862 £490 £1,352 £13,022 9.6 yrs £14,024

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: £1,012, Upfront: £10,239, Break-even: 10.1 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 2043 kWh 1226 kWh 817 kWh £323 £82 £405 £5,356 13.2 yrs £2,744
3 kW 3064 kWh 1838 kWh 1226 kWh £485 £123 £607 £6,983 11.5 yrs £5,166
4 kW 4085 kWh 2451 kWh 1634 kWh £647 £163 £810 £8,611 10.6 yrs £7,589
5 kW 5106 kWh 3064 kWh 2043 kWh £808 £204 £1,012 £10,239 10.1 yrs £10,011
6 kW 6128 kWh 3677 kWh 2451 kWh £970 £245 £1,215 £11,867 9.8 yrs £12,433
7 kW 7149 kWh 4289 kWh 2860 kWh £1,132 £286 £1,417 £13,494 9.5 yrs £14,855
8 kW 8170 kWh 4902 kWh 3268 kWh £1,293 £327 £1,620 £15,122 9.3 yrs £17,277

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: £1,096, Upfront: £11,639, Break-even: 10.6 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 2043 kWh 1430 kWh 613 kWh £377 £61 £438 £6,756 15.4 yrs £2,013
3 kW 3064 kWh 2145 kWh 919 kWh £566 £92 £658 £8,383 12.7 yrs £4,770
4 kW 4085 kWh 2860 kWh 1226 kWh £754 £123 £877 £10,011 11.4 yrs £7,527
5 kW 5106 kWh 3574 kWh 1532 kWh £943 £153 £1,096 £11,639 10.6 yrs £10,284
6 kW 6128 kWh 4289 kWh 1838 kWh £1,132 £184 £1,315 £13,267 10.1 yrs £13,040
7 kW 7149 kWh 5004 kWh 2145 kWh £1,320 £214 £1,535 £14,894 9.7 yrs £15,797
8 kW 8170 kWh 5719 kWh 2451 kWh £1,509 £245 £1,754 £16,522 9.4 yrs £18,554

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: £1,121, Upfront: £13,389, Break-even: 11.9 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 2043 kWh 1491 kWh 551 kWh £393 £55 £448 £8,506 19.0 yrs £464
3 kW 3064 kWh 2237 kWh 827 kWh £590 £83 £673 £10,133 15.1 yrs £3,321
4 kW 4085 kWh 2982 kWh 1103 kWh £787 £110 £897 £11,761 13.1 yrs £6,178
5 kW 5106 kWh 3728 kWh 1379 kWh £983 £138 £1,121 £13,389 11.9 yrs £9,035
6 kW 6128 kWh 4473 kWh 1654 kWh £1,180 £165 £1,345 £15,017 11.2 yrs £11,892
7 kW 7149 kWh 5219 kWh 1930 kWh £1,377 £193 £1,570 £16,644 10.6 yrs £14,750
8 kW 8170 kWh 5964 kWh 2206 kWh £1,573 £221 £1,794 £18,272 10.2 yrs £17,607

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: £1,138, Upfront: £15,139, Break-even: 13.3 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 2043 kWh 1532 kWh 511 kWh £404 £51 £455 £10,256 22.5 yrs £-1,152
3 kW 3064 kWh 2298 kWh 766 kWh £606 £77 £683 £11,883 17.4 yrs £1,772
4 kW 4085 kWh 3064 kWh 1021 kWh £808 £102 £910 £13,511 14.8 yrs £4,696
5 kW 5106 kWh 3830 kWh 1277 kWh £1,010 £128 £1,138 £15,139 13.3 yrs £7,620
6 kW 6128 kWh 4596 kWh 1532 kWh £1,212 £153 £1,366 £16,767 12.3 yrs £10,544
7 kW 7149 kWh 5362 kWh 1787 kWh £1,414 £179 £1,593 £18,394 11.5 yrs £13,468
8 kW 8170 kWh 6128 kWh 2043 kWh £1,616 £204 £1,821 £20,022 11.0 yrs £16,392

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: £1,155, Upfront: £17,589, Break-even: 15.2 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 2043 kWh 1573 kWh 470 kWh £415 £47 £462 £12,706 27.5 yrs £-3,468
3 kW 3064 kWh 2359 kWh 705 kWh £622 £70 £693 £14,333 20.7 yrs £-477
4 kW 4085 kWh 3145 kWh 940 kWh £830 £94 £924 £15,961 17.3 yrs £2,514
5 kW 5106 kWh 3932 kWh 1174 kWh £1,037 £117 £1,155 £17,589 15.2 yrs £5,505
6 kW 6128 kWh 4718 kWh 1409 kWh £1,245 £141 £1,386 £19,217 13.9 yrs £8,495
7 kW 7149 kWh 5505 kWh 1644 kWh £1,452 £164 £1,617 £20,844 12.9 yrs £11,486
8 kW 8170 kWh 6291 kWh 1879 kWh £1,660 £188 £1,847 £22,472 12.2 yrs £14,477

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 Mid Suffolk

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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Check what MCS certification means

Understand DNO, G98 and G99 export limits

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Insights for IP23

Figures below are tailored to IP23 — click through for full league tables.

Big-Roof Britain Rank #159 of 2182
6.3 kWp (UK avg 5.1 kWp)
~13 panels (≈430 W)
Solar Payback Index Rank #364 of 2996
9.6 years (UK avg 10.8 years)
~£1,014 /yr • £9,767 upfront
Standing-Charge Drag Rank #378 of 2996
19.4% (UK avg 26.6%) drag on savings
£197 fixed • ~£1,014 /yr value
Aspect Penalty View ranking →
East −22.2% West −20.1%
Typical output loss versus a south-facing roof (lower is better)

Seasonal solar output in IP23

Monthly generation per kilowatt of solar panels

kWh 39 Jan 52 Feb 87 Mar 118 Apr 123 May 123 Jun 122 Jul 112 Aug 96 Sep 68 Oct 46 Nov 35 Dec
Best month Worst month Winter (Dec–Feb) Other months

Winter output: 49.3% 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 42 kWh per month; the average month produces around 85 kWh. So a typical 4 kW home system would generate roughly 168 kWh in winter, or 340 kWh in an average month.

Your Area at a Glance

Your Electricity Rate
26.38p/kWh
Daily Fixed Charge
53.94p/day
Local Sunshine
1021kWh/kW
A 1 kW system generates ~1021 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: 79% • Flats: 3% • Bungalows: 17% Based on 1,889 properties

Coverage

Mid Suffolk (90%)|South Norfolk (10%)

Areas Covered

Eye, Gislingham, Palgrave, Diss & Roydon, Mendlesham, Hoxne & Worlingworth, Debenham

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 Eastern

IP98 (South Norfolk)
≈6.9 km away
Local sunshine: ~1,020 kWh/kWp · -0% vs IP23
IP22 (South Norfolk)
≈7.0 km away
Local sunshine: ~1,017 kWh/kWp · -0% vs IP23
IP21 (Mid Suffolk)
≈9.1 km away
Local sunshine: ~1,020 kWh/kWp · -0% vs IP23
IP20 (South Norfolk)
≈15.4 km away
Local sunshine: ~1,030 kWh/kWp · +1% vs IP23
IP14 (Mid Suffolk)
≈16.1 km away
Local sunshine: ~1,029 kWh/kWp · +1% vs IP23
NR16 (Breckland)
≈17.9 km away
Local sunshine: ~1,014 kWh/kWp · -1% vs IP23

Similar sunshine across the UK

TR11 (Cornwall)
~1,021 kWh/kWp · +0% vs IP23
GU6 (Waverley)
~1,021 kWh/kWp · +0% vs IP23
DA1 (Dartford)
~1,022 kWh/kWp · +0% vs IP23