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Commercial Solar - Havant

Commercial solar panel installers in Havant

Havant is the eastern anchor of the Portsmouth / Solent industrial belt - Langstone Technology Park (Pfizer, IBM, Colt Technology tenants) delivers the mature high-value technology footprint, New Lane Industrial Estate carries the light-manufacturing base (Kenwood's UK operations and adjacent white-goods supply chain), and Broadmarsh / Southmoor host the marine and coastal-industrial supply chain. PO9 sits inside the highest UK irradiance band and adjacent to the Solent Freeport designated area. SSEN's Havant 33 kV holds reasonable headroom following the 2023 Langstone reinforcement.

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Commercial solar panels on a Havant warehouse rooftop - rooftop PV installation for local businesses in Havant, UK
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Best-fit sectors in Havant

  • Langstone Technology Park pharmaceuticals and IT
  • Kenwood / DeLonghi white-goods manufacturing
  • New Lane light-industrial and packaging
  • Solent Freeport-adjacent marine supply chain

Solar yield

Havant sits in the South East irradiance band - roughly 1,000–1,080 kWh per kWp per year - the highest band of commercial solar yield in the UK.

Areas we cover near Havant

Emsworth · Waterlooville · Hayling Island · Rowlands Castle · Denvilles · Bedhampton · Cowplain

Postcodes: PO9

Funding for Havant businesses

Havant Borough Council business-decarbonisation grants, Solent LEP legacy Growth Deal capital, Solent Freeport-adjacent capital-allowance advice (for qualifying tax-site occupiers) and the UK-wide 100% Annual Investment Allowance all serve PO9. Pharmaceutical tier-1 tenants additionally align with the ABPI Environmental Impact Reporting framework.See UK grants & funding guide →

Run the numbers for your Havant site

Get an indicative system size, savings and payback for a commercial site in Havant.Open the calculator →
Sectors we serve in Havant

Commercial solar by sector in Havant

Based on the dominant industries across Havant, these are the commercial solar specialisms most relevant locally - with the typical site profile for each.

Sector

Factories & Manufacturing solar in Havant

Heavy daytime load and process heat - fast payback on industrial roofs. In Havant that means langstone technology park pharmaceuticals and it and kenwood / delonghi white-goods manufacturing and new lane light-industrial and packaging and solent freeport-adjacent marine supply chain - sites we survey regularly across PO9 and the surrounding South East patch.

Typical system size
300 kWp - 1.5 MWp
Typical payback
3 - 4 years
On-site self-consumption
80 - 95%

Indicative figures for well-matched UK sites - your feasibility review models your actual roof, demand and tariff.

See the full factories & manufacturing guide →
Sector

Commercial Landlords solar in Havant

MEES/EPC uplift, green-lease premiums and tenant resale of power. In Havant that means langstone technology park pharmaceuticals and it - sites we survey regularly across PO9 and the surrounding South East patch.

Typical system size
50 - 500 kWp per building
Typical payback
5 - 7 years
On-site self-consumption
varies by tenant mix

Indicative figures for well-matched UK sites - your feasibility review models your actual roof, demand and tariff.

See the full commercial landlords guide →
Sector

Warehouses & Logistics solar in Havant

Large flat roofs, high daytime demand - the strongest commercial solar fit. In Havant that means solent freeport-adjacent marine supply chain - sites we survey regularly across PO9 and the surrounding South East patch.

Typical system size
250 kWp - 1 MWp+
Typical payback
3.5 - 4.5 years
On-site self-consumption
70 - 85%

Indicative figures for well-matched UK sites - your feasibility review models your actual roof, demand and tariff.

See the full warehouses & logistics guide →

Commercial solar in Havant - FAQs

Do Langstone Technology Park pharmaceutical tenants have unusual PV requirements?

Yes - GMP-regulated production suites need strict harmonic-distortion and EMI-emission compliance on any DC/AC electrical addition. We specify Tier-1 inverters with IEEE-519 harmonic filtering and coordinate the G99 study with the site's GMP electrical qualification team.

Is Chichester Harbour SPA / Ramsar designation a PV constraint at PO9?

For rooftop arrays on New Lane / Langstone units no - the industrial footprint sits outside the SPA/Ramsar boundary and permitted development applies. Sites within 1 km of the harbour edge (Broadmarsh, parts of Southmoor) need a lightweight Habitats Regulations screening statement, which we handle.

How does SSEN handle PO9 G99?

The 2023 Langstone reinforcement opened meaningful headroom - sub-500 kWp G99 with export limitation typically clears in 8–10 weeks, and 1 MWp+ remains deliverable on Langstone Technology Park and New Lane feeders subject to network study.

Is Havant irradiance genuinely UK-leading?

Yes - the South Hampshire / west-Sussex coastal band delivers around 1,050–1,080 kWh per kWp per year, the highest commercial-solar yield anywhere in the UK, and cool Solent-adjacent ambient temperatures lift panel efficiency a further 2–3%.

How wide is Havant coverage?

Emsworth, Waterlooville, Hayling Island, Rowlands Castle, Denvilles and Bedhampton are day-one visits; Portsmouth, Chichester, Petersfield, Fareham and Gosport are on planned survey days from the PO9 base.

Region

Havant is part of our South East commercial solar service area. See the South East regional guide →

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