Scotland’s solar export calculator
Find out what your roof could earn
Scottish solar panels generate 780–870 kWh per kWp per year depending on location (PVGIS data, per MCS MIS 3002). Flat-rate export tariffs currently run roughly 1p to 25p/kWh, with time-of-use peaks higher. Enter your postcode for a personalised estimate in 60 seconds.
Best fixed SEG rate: 12p/kWh (Octopus Outgoing, from 1 Mar 2026). Rates checked August 2026. Always confirm with your supplier.
Typical 4kW system · central Scotland
View data as table
| Month | Generation (kWh) | Consumption (kWh) |
|---|---|---|
| Jan | 120 | 320 |
| Feb | 180 | 300 |
| Mar | 280 | 260 |
| Apr | 360 | 240 |
| May | 420 | 220 |
| Jun | 440 | 200 |
| Jul | 430 | 210 |
| Aug | 380 | 230 |
| Sep | 300 | 260 |
| Oct | 210 | 290 |
| Nov | 140 | 310 |
| Dec | 100 | 330 |
Monthly generation vs. average household consumption. The green area above the line is energy available to export or store.
Best fixed SEG rate
12p/kWh
Octopus Outgoing, from 1 Mar 2026
Edinburgh yield
870
kWh/kWp/year (PVGIS)
Export income
£271
4kW Edinburgh @12p, illustrative
0% VAT
Until 31 Mar 2027
On residential solar + battery
Your personalised estimate
Enter your details below. The calculator uses PVGIS data for your postcode area and current SEG tariff rates. Generation shown as ranges per MCS MIS 3002 — a free survey gives exact figures.
Roof area estimator
Your roof could fit
Illustrative estimate at 12p/kWh SEG (checked August 2026). Actual income depends on usage and supplier.
Export income calculator
Rates checked August 2026. Rates change — confirm with your supplier.
EH1 · 4kW · 12p/kWh
Annual generation
3,480kWh
Total annual value
£612/yr
Illustrative estimate. Assumes 35% self-consumption, 28p/kWh peak import, 12p/kWh export.
Actual results depend on your usage, orientation and weather. A free survey gives exact figures.
Solar export income across Scotland
Estimated annual SEG income for a 4kW system, 65% exported, at 12p/kWh. Central and southern Scotland is served by SP Energy Networks (SPEN); the Highlands, islands and north by SSEN. We handle all G98/G99 DNO paperwork.
Rates checked August 2026. Rates change — check with your supplier. Yield per MCS MIS 3002. A free survey gives exact figures.
| City | Postcode | kWh/kWp | SEG @12p |
|---|---|---|---|
| Edinburgh | EH | 870 | £271 |
| Glasgow | G | 855 | £267 |
| Aberdeen | AB | 840 | £262 |
| Dundee | DD | 845 | £264 |
| Perth | PH1 | 835 | £261 |
| Inverness | IV1 | 820 | £256 |
| Stirling | FK7 | 848 | £265 |
| Kirkcaldy | KY1 | 852 | £266 |
| Ayr | KA7 | 845 | £264 |
| Fort William | PH33 | 810 | £253 |
| Stornoway | HS1 | 800 | £250 |
| Lerwick | ZE1 | 780 | £243 |
| Thurso | KW14 | 780 | £243 |
| Dumfries | DG1 | 835 | £261 |
| Galashiels | TD1 | 838 | £261 |
See what a solar survey involves
A free, no-obligation home survey takes around 45 minutes. We assess your roof, metering and usage to design the right system for your home.
Installations by Home Heating Services (Scotland) Ltd — MCS certified, TrustMark approved.
Video coming soon
Funding and support
Scottish Government funding for home energy
Scottish Government-backed grants and loans may be available for clean heating and energy efficiency, subject to eligibility; we’ll check what applies to you. Solar panels do not have a standalone grant — they qualify for 0% VAT and SEG export income. Amounts depend on the measures installed and your eligibility.
Clean heating grant (heat pump)
Includes £1,500 rural uplift
Energy efficiency grant
Maximum grants combined
Optional loan (on top of grant)
The rural uplift does not apply to the loan. It is a grant uplift only.
Eligibility: Applicant must be a natural person, owner-occupier, with the property on domestic council tax. Not available where the property is owned by a business or listed as a business asset.
Solar: The standalone Scottish Government solar/battery grant closed on 6 June 2024. Solar qualifies for 0% VAT (until 31 March 2027) and SEG export income. Scottish Government-backed loans may be available, subject to eligibility; we'll check what applies to you.
Source: Scottish Government, checked August 2026.
Loans available, subject to status. Any finance is arranged and provided by our authorised partners, not by Scottish Energy Efficiency. Scottish Government-backed grants and loans may be available, subject to eligibility; we’ll check what applies to you.
Prefer to talk? Call 0141 230 0198 or WhatsApp us.
MCS-certified installation partner
Installations are carried out by our accredited installation partner, Home Heating Services (Scotland) Ltd — MCS certified (IAA10151), TrustMark registered (3559930), Gas Safe registered (559575).
MCS certification is a government-backed quality standard — and a requirement for SEG payments.
Scottish Energy Efficiency provides independent advice and connects you with certified installers. We do not carry out installations ourselves.
MCS, TrustMark and Gas Safe registrations belong to Home Heating Services (Scotland) Ltd. Scottish Energy Efficiency is not MCS certified.
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