Solar Panels for Farms in Hampshire

Specialist agricultural solar PV across Hampshire and the wider Hampshire area, including Dorset, Wiltshire, Surrey. MCS-certified, capital grant-backed, fixed-price proposals within 7 working days.

Agricultural solar panels in Hampshire

Hampshire is one of southern England’s most varied farming counties, and that variety is exactly what makes it such strong ground for agricultural solar. The chalk downland that rolls across the centre of the county — the South Downs in the south-east and the North Wessex Downs in the north-west — carries large combinable arable rotations of milling wheat, malting barley and oilseed rape, while the river valleys of the Test, Itchen and Meon support dairy, beef and the famous Alresford watercress beds. Add the pig units around the Andover and Basingstoke downs, the equestrian and stud holdings near Winchester and Petersfield, and the mixed farms of the Hampshire Weald, and you have a county whose energy demand is heavily daytime-weighted across grain drying, refrigeration, ventilation, pumping and washdown. Roughly 1.85 million people live across the wider county, supported by several thousand agricultural holdings, and the load profiles on those holdings are precisely the kind solar serves best.

With around 980–1,020 kWh/m²/year of irradiance — among the highest in mainland Britain thanks to Hampshire’s southern latitude and the open, south-facing aspect of the chalk downs — agricultural solar panels in Hampshire typically pay back in 2–4 years once the Farming Equipment and Technology Fund (FETF) grant and 100% Annual Investment Allowance are applied. We deliver MCS-certified PV across the county for dairy, beef, arable, pig, poultry, watercress, equestrian and mixed enterprises, covering Winchester, Basingstoke, Andover, Alton, Romsey and Petersfield and the wider rural area. Every project begins with half-hourly meter-data analysis, a structural survey of the barn or grain store, and a fixed-price proposal — usually within seven working days. The distribution network operator for the whole county is Scottish and Southern Electricity Networks (SSEN), and every connection over 3.68kW per phase runs through their G99 process.

Farm solar across Hampshire by district

Hampshire’s farming is far from uniform, so neither is the right system. The table below shows the dominant enterprise type and the system band we most often install in each part of the county.

The fastest paybacks sit on the large arable holdings around Basingstoke and Andover, where south-facing grain-store and machinery-shed roofs carry 100kWp-plus arrays and the August–October drying load soaks up generation on site. Dairy units in the Itchen and Test valleys pay back almost as quickly because their refrigeration and parlour-cooling demand is constant and daytime-heavy, and the Alresford watercress operations — with their continuous pumping and washing loads — are another fast-payback profile that surprises most growers.

Grants and tax relief for Hampshire farms

Hampshire farms are in England, so the funding picture is straightforward and genuinely generous. The headline scheme is the Improving Farm Productivity grant, the productivity strand of DEFRA’s Farming Investment Fund, which contributes up to 25% of eligible capital cost towards solar PV and battery storage on a working agricultural holding, capped at £100,000 per business. Because it is a contribution rather than a loan, it comes straight off the gross system price before payback is even calculated.

On top of FETF, the 100% Annual Investment Allowance (AIA) lets a profitable farm business write off the full remaining cost of the installation against taxable profits in the year of purchase, which for many Hampshire farms recovers another 19–25% of the spend through reduced corporation or income tax. Once the system is generating, surplus electricity exported to the grid earns money under the Smart Export Guarantee (SEG), with the best tariffs paying meaningful rates per kWh exported — useful for the county’s arable farms, whose generation peaks in summer while their heaviest load lands in the autumn drying season. These three mechanisms stack: a capital grant takes 25–40% off the top, AIA recovers tax on the balance, and SEG monetises the surplus. We help every client model the combined effect against their own figures — see our full breakdown of farm solar grants and funding for the current rates and eligibility windows.

Planning and grid in Hampshire

Hampshire carries some of the most heavily designated landscape in southern England, so planning matters here more than in most counties. The South Downs National Park covers the south-eastern third of the county around Petersfield, the Meon valley and the East Hampshire hangers, while the North Wessex Downs National Landscape (AONB) wraps the chalk uplands in the far north around the Andover and Basingstoke downs. The good news for most farmers is that roof-mounted solar on an existing agricultural building is generally permitted development, even within the National Park and AONB, provided the panels do not project significantly above the roof plane — which means the overwhelming majority of barn-roof and grain-store installs need no planning application at all.

Ground-mounted arrays are the exception. A field-scale ground mount inside the South Downs National Park or the North Wessex Downs AONB will normally need full planning consent and a Landscape and Visual Impact Assessment, and listed flint-and-brick downland farmsteads frequently need a conversation with the conservation officer before any roof work. The chalk-stream valleys of the Test and Itchen — both internationally protected habitats — also constrain where ground-mount inverter and battery housing can sit. On the grid side, Scottish and Southern Electricity Networks (SSEN) is the DNO for the whole county. Systems up to 3.68kW per phase can be notified after connection; anything larger — which covers essentially every commercial farm array — needs a G99 application to SSEN before energising. We handle the full G99 submission, including any export limitation or curtailment device needed where local network capacity is tight, which is a genuine consideration on the rural feeders across the downs and the East Hampshire hangers.

Typical Hampshire farm solar projects

Rather than quote a single farm, here is the realistic range across the county’s main enterprise types. All figures use our standard pricing of £600–900/kWp gross, falling to roughly £360–540/kWp net once grants up to 40% and AIA tax relief are applied.

• Itchen or Test valley dairy unit (50–80kWp): a parlour, plate cooler and milk-tank refrigeration on a steel-frame collecting yard or cubicle shed. Constant daytime cooling load means a high self-consumption rate and a payback typically in the 1.7–2.3 year band.

• North Hampshire arable estate (150–300kWp): large south-facing grain-store and machinery-shed roofs around Basingstoke or Andover feeding grain-drying fans, augers and a workshop. Generation and the August–October drying peak overlap strongly, giving the county’s fastest paybacks at 1.6–2.0 years, with surplus summer output earning under the SEG.

• Alresford watercress or Test valley horticulture holding (40–90kWp): a barn or pack-house roof offsetting continuous spring-fed pumping, washing, chilling and packing loads, which run hard through the daylight hours and lift self-consumption, paying back in 1.7–2.3 years.

• Mixed downland farm with battery (75–120kWp plus storage): an arable-and-livestock holding near Alton or Petersfield pairing roof PV with a battery to shift midday surplus into evening milking, morning start-up and a growing telehandler and EV-charging load, lifting self-consumption above 80% and landing payback around 1.9–2.4 years.

Every one of these is sized from your own half-hourly meter data, not a rule of thumb — and the gross cost, FETF contribution, AIA tax saving and SEG income are modelled before you commit. For the full pricing tables by system size and enterprise type, see our guide to agricultural solar panel cost.