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Postcode solar briefing

Solar panel cost in Newport (NP19)

See realistic solar installation costs, savings and payback for NP19 (Newport) using official UK data. Start with the local verdict, then adjust the calculator for your roof, usage and export assumptions.

Local model Calculator unchanged Quote assumptions checked
Local solar briefing

Solar in NP19: roof size may be the main upside, so compare proposed system sizes carefully.

This is a modelled local view, not a promise of savings. Use it as a quick sense-check before comparing installer quotes for NP19.

Typical system
5.0 kW
starting point
Annual benefit
£827
before battery costs
Payback estimate
9.8 years
panel-only baseline
Postcode verdict
Roof-size upside
local model
Local context

Why NP19 differs

South-facing yield is about 3.3% above the South Wales median.

The starting system size is close to the regional typical size at 5.0 kW.

Local housing mix looks suitable for a postcode-level estimate, but your actual roof still matters more than the area average.

Battery payback depends heavily on evening use, export tariff and whether the installer has assumed optimistic self-consumption.

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
9.8 years
After this, it's pure profit
Upfront Cost
£8,139
What you pay to get started
Annual Benefit
£827
What you save every year
Profit Over 25 Years
£12,532
After paying itself off, you're this much ahead

Ready to Get Started?

Get your free quote from Blue Ape Renewables. They'll connect you with MCS-certified installers in your area and handle all the paperwork.

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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.

Before you sign

What to challenge in solar quotes for NP19

Use the calculator above as a baseline, then ask installers to explain where their quote differs from the local assumptions.

If the proposed system is much larger than 5.0 kW, ask why it fits your roof and usage.

Compare payback with and without a battery before accepting a bundled quote.

Check which Smart Export Guarantee tariff is assumed. The calculator baseline uses 10p/kWh.

Confirm who handles MCS certification and DNO/G98/G99 paperwork before comparing finance or warranties.

Compare quotes Check MCS DNO, G98 and G99
New quote check

Want a quote sanity check for NP19?

Share the first part of your postcode and a few basics. We’ll help you check whether system size, battery, export and paperwork assumptions look sensible before you commit to installer conversations.

This is a practical sanity-check request, not an instant quote promise. The Blue Ape quote route above remains available if you already want installer introductions.

Request a quote sanity check →

Insights for NP19

Figures below are tailored to NP19 — click through for full league tables.

Big-Roof Britain Rank #1506 of 2182
4.7 kWp (UK avg 5.1 kWp)
~10 panels (≈430 W)
Solar Payback Index Rank #657 of 2996
9.8 years (UK avg 10.8 years)
~£827 /yr • £8,139 upfront
Standing-Charge Drag Rank #1518 of 2996
25.5% (UK avg 26.6%) drag on savings
£211 fixed • ~£827 /yr value
Aspect Penalty View ranking →
East −20.1% West −21.1%
Typical output loss versus a south-facing roof (lower is better)
Compare areas

Compare NP19 with nearby and similar areas

Nearby postcode areas in South Wales

NP9 (Newport)
≈2.1 km away
Local sunshine: ~1,000 kWh/kWp · -0% vs NP19
NPT (Newport)
≈2.1 km away
Local sunshine: ~1,000 kWh/kWp · -0% vs NP19
NP20 (Newport)
≈2.5 km away
Local sunshine: ~1,000 kWh/kWp · +0% vs NP19
NP18 (Newport)
≈2.6 km away
Local sunshine: ~997 kWh/kWp · -0% vs NP19
NP10 (Newport)
≈5.8 km away
Local sunshine: ~1,002 kWh/kWp · +0% vs NP19
NP44 (Torfaen)
≈8.3 km away
Local sunshine: ~971 kWh/kWp · -3% vs NP19

Similar solar-yield areas

DN37 (North East Lincolnshire)
~1,000 kWh/kWp · -0% vs NP19
NR8 (Broadland)
~1,000 kWh/kWp · +0% vs NP19
TA4 (Somerset)
~1,000 kWh/kWp · +0% vs NP19

Your area in context

In South Wales, the current unit rate is 26.33p/kWh with a 57.84p/day standing charge. Your postcode’s south-facing sunshine yield is 1000 kWh/kW — 32 above the regional median (968).

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 1000 kWh per year on a south-facing roof. We value self-used electricity at 26.3p and exported surplus at a baseline 10p via SEG. Use the calculator above for your exact tariff.

Unit rate
26.3p/kWh
Standing charge
57.8p/day
Sunshine yield (south)
1000 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: £827, Upfront: £8,139, Break-even: 9.8 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 2001 kWh 800 kWh 1200 kWh £211 £120 £331 £3,256 9.8 yrs £3,359
3 kW 3001 kWh 1200 kWh 1800 kWh £316 £180 £496 £4,883 9.8 yrs £5,039
4 kW 4001 kWh 1600 kWh 2401 kWh £421 £240 £661 £6,511 9.8 yrs £6,718
5 kW 5001 kWh 2001 kWh 3001 kWh £527 £300 £827 £8,139 9.8 yrs £8,398
6 kW 6002 kWh 2401 kWh 3601 kWh £632 £360 £992 £9,767 9.8 yrs £10,077
7 kW 7002 kWh 2801 kWh 4201 kWh £737 £420 £1,158 £11,394 9.8 yrs £11,757
8 kW 8002 kWh 3201 kWh 4801 kWh £843 £480 £1,323 £13,022 9.8 yrs £13,436

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: £990, Upfront: £10,239, Break-even: 10.3 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 2001 kWh 1200 kWh 800 kWh £316 £80 £396 £5,356 13.5 yrs £2,566
3 kW 3001 kWh 1800 kWh 1200 kWh £474 £120 £594 £6,983 11.8 yrs £4,899
4 kW 4001 kWh 2401 kWh 1600 kWh £632 £160 £792 £8,611 10.9 yrs £7,232
5 kW 5001 kWh 3001 kWh 2001 kWh £790 £200 £990 £10,239 10.3 yrs £9,565
6 kW 6002 kWh 3601 kWh 2401 kWh £948 £240 £1,188 £11,867 10.0 yrs £11,897
7 kW 7002 kWh 4201 kWh 2801 kWh £1,106 £280 £1,386 £13,494 9.7 yrs £14,230
8 kW 8002 kWh 4801 kWh 3201 kWh £1,264 £320 £1,584 £15,122 9.5 yrs £16,563

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: £1,072, Upfront: £11,639, Break-even: 10.9 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 2001 kWh 1400 kWh 600 kWh £369 £60 £429 £6,756 15.8 yrs £1,819
3 kW 3001 kWh 2101 kWh 900 kWh £553 £90 £643 £8,383 13.0 yrs £4,479
4 kW 4001 kWh 2801 kWh 1200 kWh £737 £120 £857 £10,011 11.7 yrs £7,138
5 kW 5001 kWh 3501 kWh 1500 kWh £922 £150 £1,072 £11,639 10.9 yrs £9,798
6 kW 6002 kWh 4201 kWh 1800 kWh £1,106 £180 £1,286 £13,267 10.3 yrs £12,458
7 kW 7002 kWh 4901 kWh 2101 kWh £1,291 £210 £1,501 £14,894 9.9 yrs £15,117
8 kW 8002 kWh 5602 kWh 2401 kWh £1,475 £240 £1,715 £16,522 9.6 yrs £17,777

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: £1,096, Upfront: £13,389, Break-even: 12.2 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 2001 kWh 1460 kWh 540 kWh £385 £54 £439 £8,506 19.4 yrs £265
3 kW 3001 kWh 2191 kWh 810 kWh £577 £81 £658 £10,133 15.4 yrs £3,023
4 kW 4001 kWh 2921 kWh 1080 kWh £769 £108 £877 £11,761 13.4 yrs £5,780
5 kW 5001 kWh 3651 kWh 1350 kWh £961 £135 £1,096 £13,389 12.2 yrs £8,538
6 kW 6002 kWh 4381 kWh 1620 kWh £1,154 £162 £1,316 £15,017 11.4 yrs £11,296
7 kW 7002 kWh 5111 kWh 1891 kWh £1,346 £189 £1,535 £16,644 10.8 yrs £14,053
8 kW 8002 kWh 5842 kWh 2161 kWh £1,538 £216 £1,754 £18,272 10.4 yrs £16,811

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: £1,113, Upfront: £15,139, Break-even: 13.6 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 2001 kWh 1500 kWh 500 kWh £395 £50 £445 £10,256 23.0 yrs £-1,354
3 kW 3001 kWh 2251 kWh 750 kWh £593 £75 £668 £11,883 17.8 yrs £1,469
4 kW 4001 kWh 3001 kWh 1000 kWh £790 £100 £890 £13,511 15.2 yrs £4,292
5 kW 5001 kWh 3751 kWh 1250 kWh £988 £125 £1,113 £15,139 13.6 yrs £7,115
6 kW 6002 kWh 4501 kWh 1500 kWh £1,185 £150 £1,335 £16,767 12.6 yrs £9,938
7 kW 7002 kWh 5251 kWh 1750 kWh £1,383 £175 £1,558 £18,394 11.8 yrs £12,761
8 kW 8002 kWh 6002 kWh 2001 kWh £1,580 £200 £1,780 £20,022 11.2 yrs £15,584

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: £1,129, Upfront: £17,589, 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 2001 kWh 1540 kWh 460 kWh £406 £46 £452 £12,706 28.1 yrs £-3,673
3 kW 3001 kWh 2311 kWh 690 kWh £608 £69 £677 £14,333 21.2 yrs £-785
4 kW 4001 kWh 3081 kWh 920 kWh £811 £92 £903 £15,961 17.7 yrs £2,103
5 kW 5001 kWh 3851 kWh 1150 kWh £1,014 £115 £1,129 £17,589 15.6 yrs £4,991
6 kW 6002 kWh 4621 kWh 1380 kWh £1,217 £138 £1,355 £19,217 14.2 yrs £7,880
7 kW 7002 kWh 5391 kWh 1610 kWh £1,420 £161 £1,581 £20,844 13.2 yrs £10,768
8 kW 8002 kWh 6162 kWh 1840 kWh £1,622 £184 £1,806 £22,472 12.4 yrs £13,656

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.

Seasonal solar output in NP19

Monthly generation per kilowatt of solar panels

kWh 36 Jan 52 Feb 86 Mar 114 Apr 126 May 124 Jun 123 Jul 109 Aug 93 Sep 64 Oct 42 Nov 32 Dec
Best month Worst month Winter (Dec–Feb) Other months

Winter output: 47.7% 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 40 kWh per month; the average month produces around 83 kWh. So a typical 4 kW home system would generate roughly 159 kWh in winter, or 333 kWh in an average month.

Your Area at a Glance

Your Electricity Rate
26.33p/kWh
Daily Fixed Charge
57.84p/day
Local Sunshine
1000kWh/kW
A 1 kW system generates ~1000 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: 72% • Flats: 22% • Bungalows: 5% Based on 15,825 properties

Coverage

Newport (100%)

Areas Covered

Lliswerry, Victoria, St Julians, Ringland, Alway, Beechwood, Llanwern, Bishton and Langstone + 1 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.