How much electricity do solar panels generate in Brighton and Hove?

About 1,072 kWh a year for each kW of panels, for a roof-mounted, south-facing array at a 30° pitch with 14% system losses (PVGIS). A 2.5 kW system would generate about 2,700 kWh in its first year. Shade, a different roof angle or an east or west-facing roof will change this.

How long do solar panels take to pay back in Brighton and Hove?

About 5.8 years for a 2.5 kW system costing £4,485 (the government’s median price for 0–4 kW systems), in a home using 2,700 kWh a year at Brighton and Hove’s unit rate of 26.88p. It saves about £726 in the first year. That assumes the home uses all the electricity the panels generate, prices rise 3% a year and output falls 0.5% a year; exported electricity is counted at zero. At the Great Britain average unit rate of 26.32p, payback would be 5.9 years.

What is the electricity unit rate in Brighton and Hove?

Under the Ofgem price cap for October to December 2026, single-rate electricity paid by Direct Debit costs up to 26.88p per kWh in the South Eastern England region, against a Great Britain average of 26.32p. The cap is the maximum for a standard variable tariff, so your own unit rate may be lower or higher on a fixed deal: use the rate on your bill in the calculator if you can.

How does Brighton and Hove compare with nearby towns and cities?

Of the 5 nearest towns and cities we cover, Bristol (116 miles away) gets the most sun at 985 kWh per kW, and Birmingham (136 miles away) the least at 932 kWh. Brighton and Hove gets 1,072 kWh, more than any of them. Within the South Eastern England price cap region, it ranks 5th of the 8 towns and cities we cover.

Where do these figures come from?

Solar generation is from the European Commission’s PVGIS 5.3 tool for Brighton and Hove’s ONS centre point, checked on 2026-11-11. The unit rate is from Ofgem’s price cap tables, the installed price from the Department for Energy Security and Net Zero’s solar PV cost data, and typical use from Ofgem. Each figure is listed with its source link at the bottom of this page.

Solar panels in Brighton and Hove: generation, savings and payback

Solar panels in Brighton and Hove generate about 1,072 kWh a year for each kW installed, 12% more than the average of the 100 towns and cities in our data (960 kWh). Among the 8 places we cover in Ofgem’s South Eastern England region, it ranks 5th of 8 for solar output, against an average there of 1,069 kWh.

Brighton and Hove is in Ofgem’s South Eastern England price cap region, where the unit rate for single-rate electricity paid by Direct Debit is 26.88p per kWh for October to December 2026: 0.56p above the Great Britain average of 26.32p.

For a home in Brighton and Hove using Ofgem’s typical 2,700 kWh a year, a 2.5 kW system would cover a year’s use. At the government’s median installed price for 0–4 kW systems it would cost about £4,485, save about £726 in its first year and pay for itself in about 5.8 years. With the average sunshine of the 100 towns and cities in our data (960 kWh per kW), the same home would need a 2.8 kW system and pay back in 6.4 years, so Brighton and Hove’s sunshine takes about 0.6 years off payback.

A typical home in Brighton and Hove

System size: 2.5 kW; Sized to cover 2,700 kWh a year
First-year generation: 2,700 kWh
First-year savings: £726; At 26.88p per kWh
Savings over 25 years: £24,742; Prices rising 3% a year
Installed cost: £4,485; Government median for 0–4 kW systems
Payback: 5.8 years

Assumes all the electricity the panels generate is used at home, up to the home’s yearly use, and that panel output falls 0.5% a year. Power sent to the grid is counted at zero.

How Brighton and Hove compares

Brighton and Hove compared with the South Eastern England and Great Britain averages
	Brighton and Hove	South Eastern England region average	Great Britain average
Solar output, kWh per kW a year	1,072	1,069	960
Electricity price per kWh	26.88p	26.88p	26.32p
System size for a typical home	2.5 kW	2.5 kW	2.8 kW
First-year savings	£726	£726	£711
Payback	5.8 years	5.8 years	6.6 years

Averages are of the 8 places in South Eastern England and the 100 towns and cities in our data, unweighted. The Great Britain column uses the Great Britain average price as well as the average sunshine.

Your home in Brighton and Hove

All amounts in pounds sterling.

Your home

Nearest town or city

Sets how much electricity each kW of panels generates in a year where you live.

Electricity use

kWh per month

Check your bill or your supplier’s app for kWh used. Average the last 12 months if you can.

Electricity unit rate

pence per kWh

Starts at the Ofgem price cap unit rate for the South Eastern England region (Direct Debit, October to December 2026). Your bill shows your own unit rate.

Solar system

System size

Leave blank to size the panels to cover your yearly use, or enter the size on your quote.

Installed price

Use published medianPrice per wattTotal quoted price

£1.78 per watt: the median for 0–4 kW systems in the latest government cost data. Your quote may differ.

Assumptions you can change

Panel output loss

% per year

Starts at 0.5%, the median of nearly 2,000 reported rates in an NREL review.

Electricity price change

% per year

A scenario, not a forecast. Try 0% and 5% to see how much it matters.

Used directly at home

Share of the panels’ output your home uses as it is generated. 100% assumes all of it replaces electricity you would otherwise buy, up to your annual use.

Add a home battery

A battery only adds savings when you use less than 100% of your solar power directly. Lower “Used directly at home” under assumptions to model that.

Results

Payback period

5.8years

Cumulative savings first cover the installed cost during year 6.

Installed cost: £4,485; Published median for 0–4 kW systems
First-year savings: £726
Savings over 25 years: £24,742
Net gain after 25 years: £20,257
Return over 25 years: 452%; Net gain as a share of the installed cost
System size: 2.5 kW; Sized to cover your yearly use
First-year generation: 2,700 kWh

Cumulative savings over 25 yearsThe line crosses the installed cost in year 6: that is when the system has paid for itself.

Year-by-year table

Generation and savings for each of the 25 years
Year	Generation (kWh)	Price per kWh	Saved that year	Saved so far	Net position
1	2,700	£0.269	£726	£726	-£3,759
2	2,687	£0.277	£744	£1,470	-£3,015
3	2,673	£0.285	£762	£2,232	-£2,253
4	2,660	£0.294	£781	£3,013	-£1,472
5	2,646	£0.303	£801	£3,814	-£671
6	2,633	£0.312	£821	£4,634	£149
7	2,620	£0.321	£841	£5,475	£990
8	2,607	£0.331	£862	£6,337	£1,852
9	2,594	£0.341	£883	£7,220	£2,735
10	2,581	£0.351	£905	£8,125	£3,640
11	2,568	£0.361	£928	£9,053	£4,568
12	2,555	£0.372	£951	£10,004	£5,519
13	2,542	£0.383	£974	£10,978	£6,493
14	2,530	£0.395	£999	£11,977	£7,492
15	2,517	£0.407	£1,023	£13,000	£8,515
16	2,504	£0.419	£1,049	£14,049	£9,564
17	2,492	£0.431	£1,075	£15,124	£10,639
18	2,479	£0.444	£1,102	£16,225	£11,740
19	2,467	£0.458	£1,129	£17,354	£12,869
20	2,455	£0.471	£1,157	£18,511	£14,026
21	2,442	£0.485	£1,186	£19,697	£15,212
22	2,430	£0.500	£1,215	£20,912	£16,427
23	2,418	£0.515	£1,245	£22,158	£17,673
24	2,406	£0.531	£1,276	£23,434	£18,949
25	2,394	£0.546	£1,308	£24,742	£20,257

Savings count only electricity your home no longer buys. Power sent to the grid is valued at zero. Grid emissions data has not been verified yet, so no carbon figure is shown. See the methodology for every formula and source.

Nearby towns and cities

Place	Distance	kWh per kW a year	Price per kWh	Payback
London	47 miles	981	26.60p	6.4 years
Bristol	116 miles	985	26.58p	6.4 years
Coventry	124 miles	950	25.36p	6.9 years
Leicester	131 miles	944	25.36p	6.9 years
Birmingham	136 miles	932	25.60p	6.9 years

Solar panels in Brighton and Hove: questions

How much electricity do solar panels generate in Brighton and Hove?: About 1,072 kWh a year for each kW of panels, for a roof-mounted, south-facing array at a 30° pitch with 14% system losses (PVGIS). A 2.5 kW system would generate about 2,700 kWh in its first year. Shade, a different roof angle or an east or west-facing roof will change this.
How long do solar panels take to pay back in Brighton and Hove?: About 5.8 years for a 2.5 kW system costing £4,485 (the government’s median price for 0–4 kW systems), in a home using 2,700 kWh a year at Brighton and Hove’s unit rate of 26.88p. It saves about £726 in the first year. That assumes the home uses all the electricity the panels generate, prices rise 3% a year and output falls 0.5% a year; exported electricity is counted at zero. At the Great Britain average unit rate of 26.32p, payback would be 5.9 years.
What is the electricity unit rate in Brighton and Hove?: Under the Ofgem price cap for October to December 2026, single-rate electricity paid by Direct Debit costs up to 26.88p per kWh in the South Eastern England region, against a Great Britain average of 26.32p. The cap is the maximum for a standard variable tariff, so your own unit rate may be lower or higher on a fixed deal: use the rate on your bill in the calculator if you can.
How does Brighton and Hove compare with nearby towns and cities?: Of the 5 nearest towns and cities we cover, Bristol (116 miles away) gets the most sun at 985 kWh per kW, and Birmingham (136 miles away) the least at 932 kWh. Brighton and Hove gets 1,072 kWh, more than any of them. Within the South Eastern England price cap region, it ranks 5th of the 8 towns and cities we cover.
Where do these figures come from?: Solar generation is from the European Commission’s PVGIS 5.3 tool for Brighton and Hove’s ONS centre point, checked on 2026-11-11. The unit rate is from Ofgem’s price cap tables, the installed price from the Department for Energy Security and Net Zero’s solar PV cost data, and typical use from Ofgem. Each figure is listed with its source link at the bottom of this page.

Sources for this page

Solar output for Brighton and Hove: re.jrc.ec.europa.eu (checked 2026-11-11)PVGIS 5.3 outputs.totals.fixed.E_y for a 1 kW system. Radiation database PVGIS-SARAH3, years 2005-2023.
South Eastern England unit rate: www.ofgem.gov.uk (checked 2026-11-10)South Eastern England: electricity unit rate, single rate, Direct Debit, October to December 2026. Published as 26.88 pence per kWh.
Great Britain average price: www.ofgem.gov.uk (checked 2026-11-10)Great Britain average: electricity unit rate, single rate, Direct Debit, October to December 2026. Published as 26.32 pence per kWh.
Price cap region: www.ofgem.gov.uk (checked 2026-11-10)Nearest postcode to the town's ONS centroid is BN2 4FD (postcodes.io: https://api.postcodes.io/postcodes?lon=-0.107296645768276&lat=50.841111210770826&radius=2000&limit=1). Ofgem's postcode lookup puts district BN2 in the South Eastern England region.
Typical household use: www.ofgem.gov.uk (checked 2026-11-10)Revised TDCV, Electricity Profile Class 1, Medium: 2,700 kWh (decision of 25 May 2023, in use from 1 October 2023).
Installed price, 0–4 kW: assets.publishing.service.gov.uk (checked 2026-11-10)Column "0-4 kW: Median (£/kW)", 2025/26. Published as 1,780.25 £/kW.
Panel output loss: docs.nlr.gov (checked 2026-11-10)Median of nearly 2,000 reported degradation rates: "a median value of 0.5%/year" (average 0.8%/year).
Location: services1.arcgis.com (checked 2026-11-11)ONS Built Up Areas (December 2022) GB, E63006520: LAT/LONG fields.

Methods and every other figure are on the methodology page.