Skip to main content

Commercial Solar Panel Installation in Hampshire

Hampshire combines excellent South Coast solar irradiance with a diverse economy spanning defence, technology, logistics, and maritime industries. Southampton,

MCS Certified
25-Year Warranty
Free Survey UK-Wide
Independent specialist guidance
No installer agenda, no commission bias
Free matched quotes
MCS-certified installer network
Data last reviewed July 2026
Sourced 2026 rates & grant data

Hampshire combines excellent South Coast solar irradiance with a diverse economy spanning defence, technology, logistics, and maritime industries. Southampton, Portsmouth, and Winchester anchor a county with outstanding commercial solar potential.

1,120 kWh/m²

Annual Solar Irradiance

970 kWh/kWp

Annual Solar Yield

30p/kWh

Avg Commercial Electricity Rate

3-4 years

Typical Payback Period

Commercial Solar Installation in Hampshire

Hampshire's position on England's South Coast gives it solar irradiance of approximately 1,120 kWh/m² - among the highest in the UK. The county's diverse economy includes the port operations of Southampton, Portsmouth's naval and defence sector, the technology corridor along the M3, and extensive agricultural and food processing operations across the county.

Our Hampshire teams have installed commercial solar across the county, from maritime logistics facilities at Southampton Docks to defence industry buildings in the Gosport-Fareham corridor, technology offices along the M3, and agricultural buildings across the South Downs. We understand Hampshire's unique mix of commercial property types and planning considerations.

With commercial electricity rates averaging 30p/kWh and solar generation costs of just 4-5p/kWh, Hampshire businesses save up to 85% on self-consumed solar electricity. A 100kW system generates approximately 97,000 kWh annually, saving around £29,100 per year with payback typically in 3-4 years.

Hampshire Solar Economics

Hampshire's South Coast position delivers solar irradiance of approximately 1,120 kWh/m² annually, translating to around 970 kWh of electricity per kWp installed. This is among the best solar conditions in England.

The county's mix of logistics, defence, technology, and maritime industries creates diverse solar installation opportunities. Large warehouse and port buildings along the Solent achieve excellent self-consumption ratios, while the M3 technology corridor's office buildings benefit from perfect alignment between working hours and solar generation.

Key Areas We Serve in Hampshire

  • Southampton
  • Portsmouth
  • Winchester
  • Basingstoke
  • Fareham
  • Gosport
  • Andover
  • Eastleigh
  • Farnborough
  • Fleet
  • Havant
  • Hedge End

Industries We Serve Across Hampshire

  • Maritime & Port Operations
  • Defence & Aerospace
  • Technology
  • Logistics & Distribution
  • Agriculture
  • Retail
  • Healthcare
  • Education

Planning Considerations in Hampshire

Hampshire includes the South Downs National Park where additional planning restrictions apply to ground-mounted solar. New Forest National Park in the west has similar constraints. Commercial rooftop installations typically qualify for permitted development across the county, including in national park areas. Winchester and other historic towns have conservation areas we navigate as part of our planning service.

Hampshire Commercial Solar FAQs

How does Hampshire's solar potential compare to the rest of the UK?

Hampshire enjoys some of the UK's highest solar irradiance at approximately 1,120 kWh/m² annually, translating to around 970 kWh per kWp installed. This is approximately 15% above the UK average and places Hampshire among the top solar-producing counties. The combination of high irradiance and competitive electricity rates delivers some of the fastest commercial solar payback periods in the country.

Is commercial solar suitable for Southampton port businesses?

Southampton's port and logistics operations are ideal for commercial solar. Large warehouse roofs, high daytime energy consumption, and extended operating hours create excellent solar economics. Refrigerated storage facilities benefit particularly from summer solar generation aligning with peak cooling demand. We specify marine-grade components for installations near the waterfront to ensure durability in the coastal environment.

Can defence sector businesses in Hampshire install solar?

Defence and aerospace businesses in Hampshire can install commercial solar, though MoD sites may have additional security and planning requirements. We have experience working with defence contractors in the Gosport-Fareham corridor and can navigate the specific requirements of these facilities. Solar helps defence businesses meet government sustainability targets while reducing energy costs.

What are the costs for commercial solar in Hampshire?

Commercial solar in Hampshire typically costs between £780 and £1,050 per kWp. A 50kW system costs approximately £39,000 to £52,500, while a 250kW system costs around £195,000 to £262,500. With Hampshire's excellent solar irradiance and electricity rates of 30p/kWh, payback is typically 3-4 years, with total 25-year savings exceeding £550,000 for a 100kW installation.

Does the South Downs National Park restrict commercial solar?

The South Downs National Park does not prevent commercial rooftop solar installation. Most commercial rooftop systems qualify for permitted development rights even within the national park boundary. Ground-mounted solar arrays in the national park face additional planning scrutiny but are not prohibited. We work with the South Downs National Park Authority to ensure compliant installations.

Nearby counties we serve

Before you sign, read what to look for in MCS certified commercial solar installers and how national, regional and PPA-funded providers differ.

Ready to Reduce Your Energy Costs?

Join hundreds of UK businesses already benefiting from commercial solar. Get your free site survey and quote today.

MCS Certified | 25-Year Warranty | Nationwide Coverage

Accreditations
MCS Certified
RECC Member
ISO 9001
TrustMark

Specialist commercial solar across every UK property type

The Commercial Solar Panels Installation hub links to dedicated specialist teams for every sector.

Landlords and property investors should explore our solar for commercial property owners and landlords. Manufacturing site decision-makers should visit our specialist factory solar PV installers. For 3PL and distribution centres, we operate a dedicated team of commercial warehouse solar specialists. Cold chain and chilled distribution operators should read our guide to refrigerated and cold-store solar panels. Schools, MATs and academy trusts can engage our education-sector solar PV team. Independent hotels, branded chains, and group operators all use our hospitality solar installers. For NHS Trusts and private healthcare, we operate NHS-aware healthcare solar specialists. Parishes, dioceses, and Faculty-bound listed places of worship use our church and faculty-jurisdiction solar specialists. Farms, estates, and agricultural businesses should explore our agricultural and farm solar PV team. Operators with high uptime SLAs should engage our data centre solar microgrid team. SMEs and small commercial operators should use our small-and-mid-sized commercial solar team. For pricing across every property type, see our transparent commercial solar cost guide. Zero-capital, asset finance, and PPA routes are managed by our commercial solar finance and PPA team. Nursing homes, residential care, dementia units, sheltered, extra-care, and retirement villages should engage our specialist care home solar installers. For ongoing performance, servicing and system upgrades after install, work with our solar panel maintenance and O&M specialists.