Care Home Solar in Hampshire: A County Guide for Operators

Hampshire is one of England's larger care markets, reflecting an older-than-average population spread across a mix of dense coastal cities and affluent market towns. The estate clusters in four distinct sub-markets, each with a different solar profile:

• The Solent conurbation (Southampton, Eastleigh, Fareham, Portsmouth) — high density of mid-to-large nursing and residential homes, many run by regional groups such as Care South and Colten Care. Flat-roof and large pitched-roof stock suits 30-80 kWp arrays.
• Winchester and the central belt — affluent, with a higher share of premium residential and dementia-specialist homes; capital purchase plus AIA is the common route here.
• Basingstoke and the north — newer purpose-built stock, larger extra-care and retirement-village developments suited to 100 kWp-plus systems with battery and EV charging.
• Rural Hampshire (New Forest fringe, Meon Valley, Test Valley) — smaller independent homes, more conversions of period property, and a meaningful slice of the county's ~8% listed stock needing Listed Building Consent.

That spread matters: a single Hampshire solution does not fit a converted Winchester manor house and a 120-bed Basingstoke care village. We model each home from its own half-hourly meter data rather than a county average.

Hampshire's coastal and central districts sit in one of the sunniest bands in the UK. Southampton and Portsmouth both average around 1,750 hours of sunshine a year — roughly 17% above the UK mean of 1,495 hours. For a south-facing care-home array that translates to about 950-1,000 kWh generated per installed kWp, against 800-850 kWh in the cloudier north.

The bigger driver, though, is the care-home demand profile. Homes run 24/7, 365 days a year — laundry, hot water, lifts, call systems, kitchens and lighting all draw hardest during daylight hours when the panels are working. That gives Hampshire homes a self-consumption rate of 40-60% across the year, rising to 80-90% in summer or with a battery. Every self-consumed kWh saves the full 27p import price rather than the 5-15p Smart Export Guarantee rate. Set against industrial electricity that has risen 113% in real terms since 2019, a 40 kWp Solent installation now typically saves £8,000-£12,000 from year one.

We deliver care-home solar across all of Hampshire's major settlements. For the two largest cities we hold dedicated sector-by-town matrix pages with local generation modelling, group-operator detail and council policy:

• Southampton — the county's largest care market (~85 registered homes). See nursing home solar in Southampton and dementia care home solar in Southampton.
• Portsmouth — dense urban estate, constrained roof space favours flat-roof ballasted systems. See nursing home solar in Portsmouth and residential care home solar in Portsmouth.
• Basingstoke — newer purpose-built and extra-care stock; strong fit for larger arrays with battery and EV.
• Winchester — premium residential and dementia homes; period-property conversions need careful planning treatment.
• Eastleigh and Fareham — Solent-belt towns with a healthy independent-operator base.

Operators in surrounding towns — Andover, Aldershot, Farnborough, Gosport, Havant, Romsey, Petersfield — are served from the same Hampshire team. Multi-site groups with stock across several towns get one project team across the whole portfolio.

The Distribution Network Operator for almost all of Hampshire is SSEN — Scottish & Southern Electricity Networks (operating here as Southern Electric Power Distribution). Any care-home solar export connection needs SSEN sign-off under the national G98/G99 framework, and SSEN's local network capacity is the single biggest variable in your install timeline.

For a typical care-home system of 30-100 kWp, expect a G99 connection process of 4-12 weeks from application to acceptance — at the shorter end where the local SSEN network has spare headroom, longer in constrained urban pockets of Southampton and Portsmouth where housing and commercial development competes for capacity. Larger installs above 200 kWp on Basingstoke care villages or extra-care estates can run 6-18 months, so we engage SSEN at desk-feasibility stage to model both connection cost and timing. Where capacity is tight, phasing the project across two G99 applications often accelerates first-phase commissioning. Systems under 3.68 kW per phase can sometimes use the simpler G98 notification, but most care-home arrays sit firmly in G99 territory.

For the large majority of Hampshire homes, rooftop solar is permitted development under Class A, Part 14 of the GPDO 2015 — no planning application required. The system must not project more than 200mm from the roof slope, must not sit above the highest part of the roof, and equipment must be removed when no longer needed.

Hampshire's exceptions are worth flagging early, because the county has more of them than most:

• Listed buildings — around 8% of UK care-home stock is listed, and Hampshire's share is higher given its stock of converted period property in Winchester, Romsey and the market towns. These need Listed Building Consent (add 12-16 weeks).
• Conservation areas — Winchester city centre, parts of Portsmouth's old town and several New Forest fringe villages carry Article 4 Directions or conservation status, where a roof slope facing a public highway may need council notification.
• South Downs and New Forest National Parks — homes inside the National Park boundaries deal with the National Park Authority as planning body, which applies a stricter visual-amenity test.

We run a planning check at feasibility stage against the specific district — Southampton, Portsmouth, Winchester, Basingstoke & Deane, Eastleigh, Fareham, Test Valley, Havant, Hart, Rushmoor, East Hampshire or New Forest — before any quote is issued.

Five routes get Hampshire homes installed, and the right one depends on whether you are a tax-paying operator, a charity, or a registered provider:

• Solar PPA — zero capital outlay; you buy the generated power at a fixed 8-14p/kWh, well below the 27p grid price, with the installer owning and maintaining the system. The most common route for independent Hampshire operators. See our care-home PPA page.
• Capital purchase plus AIA — the Annual Investment Allowance gives 100% first-year tax relief up to £1m, an effective 25% discount for tax-paying operators and the route that pulls payback in to 3.6 years. See capital allowances for care-home solar.
• Hire purchase — spread the capital cost while retaining ownership and the AIA benefit.
• Operating lease — off-balance-sheet monthly payments, useful for groups managing covenants.
• SHDF Wave 2.2 — 50% match funding for registered-provider-owned sheltered and extra-care schemes, with Round 2 expected Q4 2026. Relevant to RP-owned stock in Basingstoke and the Solent.

On top of these, solar PV carries a 100% business rates exemption to 31 March 2035, and Hampshire homes export surplus under the Smart Export Guarantee. Full detail on our grants and funding and cost pages.

Hampshire County Council has set out a climate change strategy targeting carbon neutrality, and — significantly for operators — has piloted sustainability commissioning premia, weighting environmental factors into how care is commissioned across the county. This sits alongside district-level commitments: Southampton City Council runs a Green City Charter with a 2030 net-zero target, and Portsmouth, Winchester and Eastleigh all carry their own climate declarations.

For homes holding county-commissioned beds, that pilot matters at retender. A growing number of UK authorities pay a £2-£10/bed/week uplift where operators demonstrate carbon-reduction action, and Hampshire is among the counties that have trialled this approach. The evidence pack we supply as standard — system specification with MCS certification, year-on-year generation log, SECR-aligned Scope 2 CO₂e accounting and a five-year carbon-reduction trajectory — is exactly what a Hampshire contracts officer asks for. It also doubles as CQC Well-led evidence: under the 2023 Single Assessment Framework, 73% of the Outstanding reports we reviewed cite visible solar. Check the commissioning position with your county or district officer at next renewal.

Battery storage is a strong add-on across Hampshire, particularly for dementia-specialist and nursing homes where resilient backup matters. For vulnerable-occupant settings we specify LFP (lithium iron phosphate) chemistry only, certified to BS EN 62619, with external fire-rated siting away from sleeping accommodation and the backup circuit integrated with each resident's Personal Emergency Evacuation Plan (PEEP).

The economic case in Hampshire is twofold. First, the county's strong summer yield means a battery is fully charged most summer days, letting a home push self-consumption from 50% towards 80-90% and store cheap daytime generation for evening peaks. Second, the resilience value — a Solent home keeping lighting, call systems and medical refrigeration live through a grid outage is a genuine safeguarding and CQC benefit, not just an energy one. We typically pair 30-50 kWh of LFP storage with a 40-60 kWp array on a 50-bed home, sized from the home's actual evening load profile. See our care-home battery storage page for the full specification.