Solar Panels for Farms UK – Costs, Barn Roofs, Batteries & Payback
Solar panels can be particularly well suited to UK farms because many agricultural businesses combine large areas of roof space with substantial daytime electricity consumption.
Dairy equipment, refrigeration, ventilation, irrigation pumps, workshops, poultry units, cold stores, farm shops and other agricultural operations can all create electricity demand while solar panels are generating.
For the right farm, this means solar electricity can be used directly on site rather than buying the same electricity from the grid.
However, farm solar installations are very different from a small domestic rooftop system. Roof condition, asbestos, structural strength, three-phase electricity, Distribution Network Operator (DNO) approval, export capacity and the farm's actual electricity-use profile can all have a major effect on cost and payback.
This guide explains typical farm solar costs in 2026, common system sizes, barn and agricultural-building installations, battery storage, grid connection, grants and finance, planning, tax considerations and how to decide whether solar is worthwhile for a farm.
Quick navigation: Why farms suit solar · System sizes · Costs · Generation · Farm types · Payback · Barn roofs · Asbestos roofs · DNO & grid · Battery storage · Exporting electricity · Planning · Grants & funding · Tax & VAT · Ground-mounted solar · Is it worth it? · FAQs
For general UK solar pricing, see: Solar Panel Costs UK .
Why can solar panels work well on farms?
The financial case for solar usually becomes strongest when a business can use a large proportion of the electricity itself while the panels are generating.
Many farms have exactly that type of electricity demand.
Large roof areas
Agricultural sheds, livestock buildings, workshops, stores and other farm buildings can provide substantial areas for rooftop solar without taking productive farmland out of use.
Daytime electricity use
Pumps, refrigeration, ventilation, milking equipment, workshops and other machinery can consume electricity during daylight hours when solar output is available.
High annual consumption
Farms with significant electricity bills may be able to use considerably more solar generation on site than an average household.
Long-term assets
Modern solar panels are designed for long operating lives, making them potentially suitable for businesses taking a long-term view of energy costs.
A large roof does not automatically mean that the largest possible solar array will give the best return.
The system should ideally be designed around the farm's electricity consumption, available grid connection and future energy plans, rather than simply filling every square metre of roof with panels.
What size solar system does a farm need?
Farm solar installations can range from relatively small arrays serving workshops or farm shops to several hundred kilowatts across large agricultural buildings.
The correct size depends primarily on:
- Annual electricity consumption
- Daytime electricity demand
- Seasonal changes in farm operations
- Half-hourly electricity consumption where available
- Available roof area
- Roof orientation and shading
- DNO connection capacity
- Whether electricity will be exported
- Future electric vehicles, machinery or heating
- Whether battery storage is being considered
| Example system size | Typical farm application |
|---|---|
| 10–30kWp | Small farm, workshop, farm shop or lower electricity demand |
| 30–50kWp | Medium agricultural buildings and regular daytime consumption |
| 50–100kWp | Dairy, poultry, horticulture, workshops, refrigeration and larger farm businesses |
| 100–250kWp | Large farms, multiple buildings and energy-intensive agricultural operations |
| 250kWp+ | Very large agricultural businesses, estates and high-consumption sites |
These are examples rather than fixed rules. A dairy farm and an arable farm using the same amount of electricity annually can still require different solar designs because they may use electricity at completely different times of day and year.
How much do solar panels for farms cost in the UK?
Farm solar is normally priced more like a commercial solar installation than a domestic household system.
Larger installations generally cost less per kilowatt of capacity because design, site mobilisation, scaffolding, grid applications and other fixed costs are spread across a larger array.
| Farm solar size | Broad 2026 installed budget | Approximate cost per kWp |
|---|---|---|
| 30kWp | £27,000–£36,000 | Approx. £900–£1,200 |
| 50kWp | £44,000–£55,000 | Approx. £880–£1,100 |
| 100kWp | £80,000–£110,000 | Approx. £800–£1,100 |
| 250kWp | £175,000–£220,000 | Approx. £700–£880 |
These are broad 2026 budgeting figures rather than quotations. They assume a reasonably straightforward commercial-style rooftop installation and exclude major roof replacement, unusual structural work, significant grid reinforcement and battery storage.
What makes farm solar more expensive?
Costs can increase substantially where a project involves:
- Fragile or difficult agricultural roofs
- Asbestos-containing roof materials
- Roof reinforcement or replacement
- Long cable runs across a farm
- New switchgear or electrical upgrades
- Restricted access
- DNO network reinforcement
- Export-limitation equipment
- Complex groundworks
- Battery storage
Do not compare farm solar quotes on price alone
Two 100kWp solar quotes can look similar while including very different assumptions about structural surveys, access equipment, DNO work, monitoring, warranties, electrical upgrades and future maintenance.
Make sure quotes describe exactly what is included and identify costs that could still arise after the initial survey.
How much electricity do farm solar panels generate?
Annual generation varies according to location, roof orientation, panel angle, shading, equipment and weather.
For initial budgeting, UK commercial solar schemes are often modelled at roughly 800–1,000kWh of annual electricity generation for every 1kWp of installed solar capacity.
| System size | Broad indicative annual generation |
|---|---|
| 30kWp | Approx. 24,000–30,000kWh |
| 50kWp | Approx. 40,000–50,000kWh |
| 100kWp | Approx. 80,000–100,000kWh |
| 250kWp | Approx. 200,000–250,000kWh |
A site-specific solar design should use more detailed yield modelling rather than relying on these broad figures.
The more important financial question is often not simply how much electricity will the panels generate? but:
How much of that electricity can the farm use itself?
Which types of farms can benefit from solar panels?
Solar can work across many agricultural sectors, but the electricity-use pattern is critical.
Dairy farms
Milking systems, milk cooling, refrigeration, water heating, pumps and other equipment can create substantial electricity demand.
Poultry farms
Ventilation, lighting, feeding systems and environmental controls can provide regular electrical loads that may align with solar generation.
Horticulture
Irrigation, pumping, ventilation, refrigeration, grading and packing equipment can make solar particularly relevant to some horticultural businesses.
Arable farms
Workshops, grain handling, ventilation and storage can consume significant electricity, although seasonal demand needs to be considered carefully.
Livestock farms
Electricity consumption varies widely. Farms with relatively low daytime demand need to consider whether a large array would create excessive export.
Farm diversification
Farm shops, cafés, holiday accommodation, offices, food processing, cold stores and EV charging can increase daytime electricity demand and change the solar business case.
Solar panels for dairy farms
Dairy farms can be particularly interesting solar candidates because electricity consumption can be both substantial and relatively predictable.
Typical electrical loads can include:
- Milking equipment
- Milk cooling and refrigeration
- Vacuum pumps
- Water pumps
- Lighting
- Ventilation
- Hot-water systems
- Automatic feeding or robotic equipment
The precise benefit depends on when those loads operate.
A farm where equipment runs heavily during daylight may achieve a high level of solar self-consumption, while a farm with its largest electricity demand very early in the morning and late in the evening may benefit differently.
Battery storage or thermal storage can sometimes help shift energy to other periods, but their cost needs to be compared with the additional savings they create.
Solar panels for poultry farms
Poultry units can have significant electricity demand from ventilation, lighting, feeding equipment and environmental-control systems.
Because some of this demand continues during daylight hours, solar may offset electricity that would otherwise be purchased from the grid.
However, ventilation and temperature-control systems are critical farm infrastructure. The solar installation should therefore be designed around the existing electrical system without compromising essential equipment or backup arrangements.
Solar panels for farm shops, cold stores and diversification businesses
Farm diversification can improve the economics of an agricultural solar array because business activities may increase daytime electricity consumption.
A farm shop with refrigeration, café equipment, offices, food preparation, cold storage or EV charging may use substantial electricity while solar panels are producing.
Where several farm enterprises share one electricity supply, the combined demand profile should be considered when sizing the array.
What is the payback period for farm solar panels?
There is no reliable single payback period for agricultural solar.
The return depends on:
- Total installed cost
- Annual generation
- The farm's electricity import price
- Percentage of solar electricity used on site
- Export price
- Maintenance costs
- Finance costs
- Grid-connection costs
- Applicable tax relief
Why self-consumption matters
Suppose a farm currently pays substantially more for each unit of imported electricity than it would receive for exporting a unit of surplus solar electricity.
In that situation, using a solar-generated unit on the farm can be financially more valuable than exporting it.
This is why installers should examine the farm's electricity consumption rather than designing the system solely around available roof area.
Illustrative 100kWp farm solar example
Consider a hypothetical 100kWp farm system producing 90,000kWh per year.
| Example assumption | Illustrative figure |
|---|---|
| Annual solar generation | 90,000kWh |
| Used directly on farm | 75% |
| Self-consumed electricity | 67,500kWh |
| Exported electricity | 22,500kWh |
To estimate annual financial benefit, multiply the self-consumed electricity by the farm's actual import price and add the income received for exported electricity.
This approach is more useful than relying on a generic advertised payback period.
For more on solar payback calculations, see: Solar Panel Payback Guide .
Solar panels on barn and agricultural building roofs
Agricultural roofs can provide excellent solar space, but they also require more careful assessment than many modern domestic roofs.
Structural capacity
The building must be capable of safely supporting the solar panels, mounting equipment and associated loads.
Roof condition
Installing a solar array with a 25-year-plus working life onto a roof that is likely to need replacement in a few years can create unnecessary future cost.
Roof material
Steel, fibre-cement and other agricultural roof types require suitable mounting methods designed for the particular building.
Wind loading
Large exposed agricultural buildings can experience significant wind loads, making structural design and mounting particularly important.
A competent installer should assess the roof and, where appropriate, obtain structural engineering advice before committing to the final array.
Planning to replace the farm roof?
If a barn or shed is already approaching the end of its useful life, consider the roof and solar project together.
Removing a large solar array a few years after installation simply to replace the underlying roof can add significant cost and disruption.
Can solar panels be installed on an asbestos farm roof?
Older agricultural buildings can contain asbestos-containing materials, including asbestos-cement roof sheets.
This requires particular care.
The Health and Safety Executive advises farm owners and tenants to identify and manage asbestos-containing materials and to ensure contractors are made aware of known or suspected asbestos.
Drilling, cutting, breaking or otherwise disturbing asbestos-containing material can create health risks.
Do not treat an asbestos roof like a normal solar installation
If asbestos is known or suspected, obtain appropriate specialist advice before any solar contractor starts work.
The condition of the roof, asbestos management requirements, safe access and the long-term future of the building should all be considered before deciding whether solar should be installed.
In some cases, roof replacement followed by solar installation may be a more sensible long-term project than trying to attach a new solar array to an ageing roof.
Farm solar, three-phase electricity and DNO grid connections
The electricity connection can be one of the most important parts of a farm solar project.
Many larger agricultural solar arrays fall within commercial generation-connection rules and require an application to the local Distribution Network Operator (DNO).
For farm-scale systems this will commonly involve the G99 connection process rather than the simpler arrangements used for very small domestic generation.
Why check the DNO early?
The local electricity network may be able to accept the proposed generation without major changes, or it may impose an export limit or require reinforcement work.
That can significantly affect both the cost and economics of the project.
Three-phase supply
Many larger farm systems use a three-phase electrical supply. The existing connection should be checked as part of the initial feasibility work.
Export limitation
Where the network cannot accept the full potential export, an approved export-limitation system may allow solar generation while restricting power sent to the grid.
Network reinforcement
Some projects require upgrades to transformers, cables or other network infrastructure, which can materially change project cost.
For this reason, a farm should not order a large solar array before establishing whether the proposed system can be connected on acceptable terms.
Farm solar panels with battery storage
A battery stores surplus solar electricity so that it can be used later rather than immediately exported.
That sounds attractive, but a battery is not automatically the right choice for every agricultural solar installation.
A battery may help where:
- Solar generation regularly exceeds daytime farm demand
- The farm has substantial evening or early-morning consumption
- Electricity tariffs make load shifting valuable
- Peak-demand management has financial value
A battery may be less compelling where:
- The farm already consumes most solar generation directly
- Very little electricity is used outside solar hours
- Export terms are attractive
- The extra savings do not justify the battery cost
Battery sizing should therefore be based on actual consumption and solar-surplus data, not simply sold as a fixed percentage of the solar array.
See: Battery Storage Costs UK .
Could a farm battery provide backup power?
Not necessarily.
A standard grid-connected solar and battery installation does not automatically mean the farm will continue operating normally during a power cut.
Backup or islanded operation requires suitable equipment, electrical design and protection arrangements.
Farms relying on critical ventilation, milking, refrigeration, water or livestock systems should discuss resilience requirements specifically with the designer rather than assuming that any battery provides emergency backup.
Can farms sell surplus solar electricity to the grid?
Yes, subject to the grid connection, metering and electricity-purchasing arrangements.
A farm that cannot use all of its generation may export surplus electricity. The amount paid will depend on the export agreement or tariff available to the business.
Larger agricultural installations may use commercial export contracts or power purchase arrangements rather than the same type of tariff commonly used by a household.
The first priority when assessing farm solar should normally be to understand how much electricity can be used behind the meter, followed by a realistic value for any remaining export.
For background information on household export tariffs, see: Best SEG Rates UK .
Should a farm oversize its solar system for export?
Not automatically.
Installing more panels than the farm needs can produce additional export income, but the economics depend on:
- Available DNO export capacity
- The export price
- Additional installation cost
- Roof space
- Planning and electrical requirements
- Future farm electricity demand
A system designed primarily to reduce expensive imported electricity can produce very different returns from one designed primarily to sell electricity to the grid.
Do farm solar panels need planning permission?
It depends on the installation and where in the UK the farm is located.
Solar equipment on non-domestic buildings can fall within permitted development rights in some circumstances, but limits and conditions apply and planning rules differ between England, Wales, Scotland and Northern Ireland.
Additional considerations can apply to:
- Listed buildings
- Conservation areas
- National Parks and other protected landscapes
- Large installations
- Ground-mounted arrays
- Changes affecting the appearance or use of land
Planning rules also change over time. A farm considering a substantial project should check the current position with the relevant planning authority before work begins.
Planning permission is separate from DNO approval, building safety and electrical connection requirements.
Are there grants for farm solar panels in the UK?
There is no permanent single UK-wide farm solar grant. Agricultural funding is devolved and individual schemes open and close over time.
England
The previous Improving Farm Productivity Grant Round 2 included support for solar PV panels, solar batteries, inverters, utility meters, electrical grid connections and power diverters.
Under that round, eligible solar panels could be installed on farm-building rooftops or irrigation reservoirs.
That funding round is closed, so farms should not base a 2026 investment decision on receiving that grant unless a new official scheme has specifically opened.
Wales
In July 2026 Wales launched a Sustainable Agriculture Loan Scheme pilot supporting investment in areas including renewable energy and energy efficiency.
At launch, eligible Welsh farming businesses could apply for loans from £25,001 to £1 million at a fixed 3% interest rate, with repayment terms of up to 15 years.
This is finance rather than a solar grant, and eligibility and current availability should be checked before relying on it.
Scotland and Northern Ireland
Agricultural capital-support schemes operate separately in Scotland and Northern Ireland and change between funding rounds.
Check the current official scheme rules and eligible equipment before committing to a project.
Be cautious with adverts claiming “farm solar grants available”
A historic grant programme appearing in a search result does not mean applications are currently open.
Always check the scheme on the relevant government website before including grant funding in a solar business case.
Farm solar panels, VAT and capital allowances
Farm solar is a business investment, so its tax treatment can be different from domestic solar installed on a house.
VAT
The widely advertised temporary 0% VAT treatment for domestic solar applies to qualifying installations in residential accommodation.
A solar installation on a commercial agricultural building should therefore not automatically be assumed to qualify for domestic zero-rated VAT.
Business installations are generally subject to the normal VAT rules. A VAT-registered farm business may potentially recover VAT subject to its own circumstances and the normal VAT requirements.
Capital allowances
HMRC treats expenditure on solar panels as special-rate plant and machinery expenditure.
Depending on the business structure, expenditure and allowances already used, solar investment may qualify for capital allowances such as the Annual Investment Allowance or other applicable plant-and-machinery allowances.
Get farm-specific tax advice before using tax relief in a payback calculation
The amount and timing of any tax benefit depend on the legal structure and tax position of the farming business.
Ask the farm's accountant to confirm the treatment rather than subtracting an advertised percentage from the installation cost.
Buying farm solar outright vs finance or a PPA
Farm solar can be funded in several ways.
| Funding route | Main characteristic |
|---|---|
| Cash purchase | Farm owns the system and receives the full energy benefit |
| Business finance | Spreads capital cost but interest and repayment terms affect overall return |
| Asset finance | Can spread payments over an agreed period, subject to lender terms |
| Power Purchase Agreement | Third party may fund the installation and sell generated electricity to the farm under contract |
| Roof lease arrangement | A developer may use roof space under a longer-term legal agreement |
A no-upfront-cost offer is not necessarily free solar. Long-term agreements can affect future ownership, roof works, property finance and the ability to change electricity arrangements.
Large contractual arrangements should be reviewed carefully before signing.
Farm rooftop solar vs ground-mounted solar
Rooftop solar and a ground-mounted solar array should be treated as different projects.
| Issue | Farm rooftop solar | Ground-mounted farm solar |
|---|---|---|
| Land use | Uses existing building roof | Occupies an area of land |
| Planning | Can be simpler in suitable circumstances | Usually requires greater planning consideration |
| Orientation | Limited by building direction and roof pitch | Array can usually be positioned more deliberately |
| Maintenance access | Requires roof access | Usually easier to reach |
| Agricultural activity | Does not normally displace productive land | Needs consideration of existing land use |
What about agrivoltaics?
Agrivoltaics involves combining agricultural production with solar generation on the same area of land rather than simply replacing farming with a conventional solar farm.
Examples can include crops or livestock continuing to use land around or beneath solar equipment.
The technology and policy area is still developing in the UK and a substantial agrivoltaic project involves land-use, planning, agricultural and grid considerations well beyond a normal farm rooftop installation.
Solar farms and leasing agricultural land
A commercial solar farm built by an energy developer is also very different from installing solar panels to reduce a farm's own electricity bill.
A landowner considering leasing fields to a solar developer should assess issues such as:
- Length of lease or option agreement
- Rent and review provisions
- Grid connection
- Planning risk
- Land restoration
- Agricultural payments and land eligibility
- Access rights
- Tax
- Succession and borrowing
Independent legal, planning and tax advice is sensible before entering a long-term solar-development agreement.
This guide is primarily concerned with solar installed for use by the farm business itself.
Farm solar maintenance and lifespan
Solar PV generally has relatively low routine maintenance requirements, but a large agricultural array should still be monitored.
Consider:
- Remote system monitoring
- Inverter performance
- Panel damage
- Electrical inspections
- Mounting and roof condition
- Soiling from dust or agricultural activity
- Bird nesting or other obstructions
- Vegetation management for ground-mounted arrays
Farm environments can expose equipment to dust, moisture, machinery and other conditions that differ from a normal domestic installation.
The solar system should also be included when planning future roof maintenance.
For end-of-life considerations, see: Solar Panel Recycling UK .
What should a farm solar quote include?
A credible farm solar proposal should provide considerably more than a panel count and headline saving.
Look for clear information covering:
- Installed system size in kWp
- Panel and inverter models
- Predicted annual generation
- Assumed self-consumption percentage
- Assumed electricity import price
- Assumed export price
- Roof and structural assessment
- Mounting system
- DNO application and connection assumptions
- Any export limitation
- Electrical upgrades
- Scaffolding or access equipment
- Monitoring
- Equipment and workmanship warranties
- Expected maintenance
- Any exclusions from the quoted price
The financial calculation should make clear which assumptions are being used so they can be replaced with the farm's real electricity data.
Are solar panels worth it for farms?
Solar can be an attractive investment for a farm where the roof, electrical system and electricity demand are suitable.
Farm solar may work particularly well where:
- Electricity consumption is high
- A large proportion is used during daylight hours
- There is suitable roof space in good condition
- The grid connection is straightforward
- The farm expects to remain on the site long term
- Future electrification is likely to increase demand
The business case may be weaker where:
- Daytime electricity consumption is very low
- The roof requires major replacement
- The site has asbestos or structural complications
- Grid reinforcement is very expensive
- The project relies on unrealistic export income
- Savings calculations use inflated electricity prices
For many farms, the strongest question is not simply “How many solar panels can fit on the barn?”
It is:
“What size solar system best matches the electricity this farm actually uses?”
A well-designed smaller array with high self-consumption can sometimes make better financial sense than a much larger system exporting a significant proportion of its output.
Considering solar for a farm or agricultural building?
Start with the farm's electricity bills and consumption profile, then assess roof condition, available solar area and grid capacity before deciding on system size.
Do not base the investment solely on the number of panels that fit on the building.
Farm solar checklist before requesting quotes
Electricity
Collect at least 12 months of electricity bills and, where available, half-hourly consumption data.
Buildings
Identify usable roofs, their age, material, condition, orientation and any known asbestos.
Future demand
Consider planned machinery, electric vehicles, heating, refrigeration, processing or diversification projects.
Grid
Establish the existing supply and likely DNO connection requirements before committing to a large installation.
Related solar and energy guides
Solar Panel Costs UK
Understand current solar pricing and the main factors affecting installation costs.
Solar panel costs →Solar Payback Guide
See how electricity use, generation and energy prices affect solar payback.
Solar payback →Battery Storage Costs
Understand battery pricing and the factors that determine whether storage adds value.
Battery storage →Solar Panel Recycling
Learn what happens to solar panels at the end of their working life.
Solar panel recycling →Solar panels for farms UK: FAQs
How much do farm solar panels cost?
Farm solar costs vary with system size, roof condition, electrical work and grid connection. As a broad 2026 guide, a straightforward 50kWp rooftop system may cost around £44,000–£55,000, while a 100kWp system may be around £80,000–£110,000 before battery storage, major roof work or expensive grid reinforcement.
What size solar system does a farm need?
It depends primarily on the farm's electricity consumption rather than farm acreage. Systems can range from around 10–30kWp for smaller operations to 100kWp, 250kWp or considerably more for large energy-intensive agricultural businesses.
How much electricity does a 100kW farm solar system generate?
A broad UK planning estimate might be around 80,000–100,000kWh per year, although location, orientation, shading and system design can move generation outside that range.
Do farm solar panels need planning permission?
Not always. Rooftop solar on non-domestic buildings can sometimes fall within permitted development rights, but limits and conditions apply and the rules vary across the UK. Large, protected, unusual or ground-mounted projects can require planning approval.
Can solar panels be installed on an agricultural shed?
Yes, provided the roof and building are structurally suitable and an appropriate mounting system is used. Roof age, condition, material and future maintenance should be assessed before installation.
Can solar panels go on an asbestos barn roof?
Asbestos-containing agricultural roofs require specialist consideration. Solar work must not be allowed to create uncontrolled disturbance of asbestos materials. Obtain appropriate asbestos and structural advice before work begins.
Do farms need three-phase electricity for solar?
Not every solar installation requires the same supply arrangement, but larger farm-scale arrays commonly operate with three-phase electrical systems. The existing farm supply should be checked during feasibility and design.
Do farms need DNO permission for solar panels?
Larger grid-connected farm solar installations normally require an application to the Distribution Network Operator. Many agricultural systems fall under G99 connection arrangements. The DNO may approve the proposed system, impose an export limit or identify network work that is required.
Can a farm sell solar electricity to the grid?
Yes, where the grid connection, metering and export agreement permit it. However, exported electricity may be worth less than electricity that the farm would otherwise have purchased from the grid, so self-consumption is an important part of the financial assessment.
Should a farm install battery storage with solar?
Not automatically. A battery may be valuable where the farm generates surplus solar during the day and has substantial electricity demand at other times. If most solar electricity is already consumed directly, the extra battery cost may produce a weaker financial return.
Are there grants for farm solar panels?
There is no permanent UK-wide farm solar grant. Funding differs between England, Wales, Scotland and Northern Ireland and schemes open and close regularly. Previous English funding has supported farm rooftop solar, while Wales launched renewable-energy investment finance through the Sustainable Agriculture Loan Scheme in 2026. Always check the current official scheme before assuming funding is available.
Does farm solar qualify for 0% VAT?
Do not assume so. The temporary zero-rate for qualifying energy-saving materials relates to residential accommodation and certain other qualifying buildings. A commercial agricultural installation normally follows business VAT rules. A VAT-registered farm should ask its accountant to confirm the treatment and whether VAT can be recovered.
Can farmers claim capital allowances on solar panels?
HMRC treats solar panel expenditure as special-rate plant and machinery expenditure. Depending on the business and its available allowances, some expenditure may qualify for capital allowances. The farm's accountant should confirm the correct treatment before tax savings are included in the investment calculation.
How long do farm solar panels last?
Modern solar panels are designed to operate for decades. The condition of the supporting farm roof, inverter replacement, electrical equipment and ongoing maintenance should also be considered when calculating long-term ownership cost.
Are farm solar panels worth it?
They can be particularly attractive where a farm has suitable roof space, substantial daytime electricity consumption and a practical grid connection. The correct system should be sized around the farm's real electricity profile rather than simply maximising the number of panels installed.
Sources and methodology
SolarCostsUK uses current UK commercial solar pricing, official government guidance and conservative energy-generation assumptions to provide independent budgeting guidance.
Farm solar costs shown on this page are indicative rather than quotations. Actual project costs depend on roof construction, access, system size, electrical infrastructure, DNO requirements, equipment and site conditions.
Agricultural funding, planning and tax arrangements can change and may differ between England, Wales, Scotland and Northern Ireland. Current official guidance should be checked before a farm commits to an investment.
Last updated: 29 August 2026.