Key facts
| Council area | Ipswich |
| Population | 151,565 (Ipswich built-up area, usual residents, Census 2021 (ONS)) |
| Network operator | UK Power Networks (Eastern Power Networks licence area) |
| Main employment areas | Ransomes Europark, Nacton Road; White House Industrial Estate; Futura Park, Nacton Road; Hadleigh Road Industrial Estate, including Elton Park |
| Indicative yield | About 1,073 kWh per kWp a year (south facing, 30 degrees) |
| Nation support page | Grants and reliefs in England |
Where businesses are in Ipswich
- Ransomes Europark, Nacton Road: The borough's largest employment area by unit count: 275 units at the council's June 2024 survey, 80.4% occupied, with occupiers on Bluestem Road including Thompson and Morgan and Sulzer.
- White House Industrial Estate: An industrial estate on White House Road with 118 units, 93.2% occupied when the council surveyed it in June 2024.
- Futura Park, Nacton Road: An estate on Crane Boulevard off Nacton Road, with 24 units at the June 2024 survey including car showrooms, Howdens, Frugalpac and a Lidl store.
- Hadleigh Road Industrial Estate, including Elton Park: An estate on Hadleigh Road with 107 units at the council's June 2024 survey, with occupiers including body shops, garages and a recycling firm.
Large employers and sectors with sites here include:
- Port of Ipswich: Associated British Ports says the Port of Ipswich is the UK's leading grain export port, handling over 2 million tonnes of cargo and over £600 million of trade a year, with 16,000 square metres of covered storage.
- Healthcare (ESNEFT): East Suffolk and North Essex NHS Foundation Trust, which runs Ipswich Hospital, is the largest NHS organisation in East Anglia, employing more than 11,000 staff and serving almost a million people.
Large, simple roofs on distribution sheds and modern industrial units are usually the quickest and cheapest to fit. Older mill, factory and workshop buildings can work well too, but often need a structural survey first, and roofs from before 2000 may contain asbestos cement: see asbestos roofs.
Grid connection
Ipswich is served by UK Power Networks (Eastern Power Networks licence area). Almost every commercial system needs G99 approval from the network operator before it is switched on, and the question is usually how much the local network can take back. Where export is limited, a G100 export limitation scheme can let a larger array connect. See G99 and DNO applications.
Planning in Ipswich
Ipswich follows the national planning rules for England, decided by Ipswich council. Rooftop solar on most non-domestic buildings is permitted development, within height and edge limits, and systems above 50 kW need a prior approval application covering design and glare.
Points that come up locally:
- Ipswich has 15 conservation areas, including Central and Wet Dock, each with an adopted appraisal, and some are covered by Article 4 Directions that add planning controls on individual properties, so check a building's status before fitting panels in the centre or around the waterfront.
Our guides on listed buildings and conservation areas explain what these mean for a solar project.
What a business roof in Ipswich could generate
Modelled with PVGIS for the town centre, a south-facing roof at 30 degrees produces about 1,073 kWh per kWp a year.
| Item | Illustrative figure |
|---|---|
| System | 100 kWp, south facing at 30 degrees |
| Installed cost | £900 per kWp, so £90,000 excluding VAT |
| Generation | About 107,300 kWh a year |
| Used on site | 70% at 24p = £18,026 saved |
| Exported | 30% at 5p = £1,610 earned |
| Total a year | About £19,636 |
| Simple payback | About 4.6 years before tax relief |
Illustrative, not a quote: the same sums as our commercial solar calculator. A company paying corporation tax can usually shorten the payback with capital allowances.
Funding and support
We found no council or regional grant for business solar open in Ipswich at the time of writing (November 2026). National reliefs still apply, such as capital allowances and, in England, the business rates exemption for onsite renewables: see grants and reliefs in England.
Solar across Ipswich
At the end of 2025, Ipswich had 4,111 solar PV installations with 18.9 MW of capacity, up 94% since 2020, according to government figures. The Ipswich page has the full local figures and how they compare.
Nearby towns
- Felixstowe, about 11 miles away
- Stowmarket, about 11 miles away
- Bury St Edmunds, about 23 miles away
- Braintree, about 29 miles away
Sources
- ons.gov.uk: census2021
- ons.gov.uk: datadownload.xlsx
- ipswich.gov.uk: Employment Land Availability 2022 2024 (March 2026)
- abports.co.uk: ipswich
- esneft.nhs.uk: about esneft
- gov.uk: maps of freeport east tax sites
- gov.uk: enterprise zones
- gov.uk: maps of uk freeports
- assets.publishing.service.gov.uk: Investment Zones Pack Dec 2025
- ipswich.gov.uk: conservation areas
- Yield: PVGIS 5.3 (European Commission Joint Research Centre), SARAH3 data, 14% system losses, for the town centre, modelled 4 November 2026.
- Council area figures: DESNZ, renewable electricity by local authority 2014 to 2025.
Frequently asked questions
Who is the electricity network operator in Ipswich?
UK Power Networks (Eastern Power Networks licence area). Most commercial solar systems need its G99 approval before they are switched on. The operator follows the postcode, so confirm yours with the Energy Networks Association postcode tool.
How much would a 100 kWp solar system generate in Ipswich?
About 107,300 kWh a year for a south-facing roof at 30 degrees, modelled with PVGIS for the town centre. At 70% used on site at 24p and the rest exported at 5p, that is worth about £19,636 a year. Your own roof, orientation and use will change this.
Can a business in Ipswich get a free solar survey?
Yes. Answer six short questions and we match the site with one MCS certified installer, who surveys it on site or by video call. It is free, with no obligation. Get a free survey.
Related pages
- Ipswich4,111 installations, 18.9 MW of solar and about 1,072 kWh per kWp a year for a south-facing roof.
- East of EnglandUK Power Networks connections, strong yields, the Felixstowe and A14 logistics corridor, arable farming and food processing across Norfolk, Suffolk and the Fens.
- Commercial solar calculatorEstimate commercial solar savings and payback, with the generation, price and cost assumptions shown and sourced, and the limits of a simple estimate explained.
- EnglandCurrent solar support in England for businesses, schools, public bodies, community groups and farms, plus rates, planning and who to contact.
- Planning permissionPermitted development for commercial rooftop solar and car park canopies in England, prior approval, heritage limits, ground-mounted schemes and the other UK nations.