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Local MCS Directory • Portsmouth, Hampshire

Solar Panel Installers in Portsmouth

Compare 31 verified solar energy and battery storage contractors in Portsmouth. Call certified engineers directly with zero cold-calling and guaranteed 0% VAT compliance.

Local Installers
31
VAT Relief
0% VAT
✓Consumer Protection Notice: All listed renewable contractors undergo daily verification against the official Microgeneration Certification Scheme (MCS) registry. Direct pricing is fixed under standard consumer protection contracts with zero broker markups.
Q2 2026 Audit Log ActiveDNO G98 / G99 Compliant

Vetted Solar Contractors in Portsmouth

Direct telephone contact details • Zero middleman fees

Showing all 31 listings
Installation work by South Coast Solar Solutions
MCS Validated
★4.9(24)
Portsmouth, HampshireReg #MCS-99217

South Coast Solar Solutions

Unit 218, Victory Business Centre, Somers Rd N, Portsmouth PO1 1PJ, United Kingdom

EPVS AuditedRECC CodeTrustMark⚡ Battery Certified
Avg Turnaround
8 - 14 Days
Post G98 signoff
Inverters
SolarEdge/Giv
Hybrid & AC
Workmanship
10 Yr HIES
Insurance-backed
Package Estimates (0% VAT)Zero Broker Markup
£5,4904.2kWp Solar Only
£8,950w/ 9.5kWh Battery
Includes scaffolding, structural roof survey, and ENA G98 DNO submission.
Installation work by Send It Solar Ltd
MCS Validated
★5.0(25)
Portsmouth, HampshireReg #MCS-33310

Send It Solar Ltd

Send It Solar LTD, 8A Queens Rd, Fratton, Portsmouth PO2 7LZ, United Kingdom

EPVS AuditedRECC CodeTrustMark
Avg Turnaround
8 - 14 Days
Post G98 signoff
Inverters
SolarEdge/Giv
Hybrid & AC
Workmanship
10 Yr HIES
Insurance-backed
Package Estimates (0% VAT)Zero Broker Markup
£5,4904.2kWp Solar Only
£8,950w/ 9.5kWh Battery
Includes scaffolding, structural roof survey, and ENA G98 DNO submission.
Installation work by Photon Renewables
MCS Validated
★4.7(26)
Portsmouth, HampshireReg #MCS-62354

Photon Renewables

Clarence Parade, Southsea, Portsmouth, Southsea PO5 2EZ, United Kingdom

EPVS AuditedRECC CodeTrustMark⚡ Battery Certified
Avg Turnaround
8 - 14 Days
Post G98 signoff
Inverters
SolarEdge/Giv
Hybrid & AC
Workmanship
10 Yr HIES
Insurance-backed
Package Estimates (0% VAT)Zero Broker Markup
£5,4904.2kWp Solar Only
£8,950w/ 9.5kWh Battery
Includes scaffolding, structural roof survey, and ENA G98 DNO submission.
Installation work by EE Renewables Ltd
MCS Validated
★4.8(27)
Portsmouth, HampshireReg #MCS-39064

EE Renewables Ltd

Unit 2 Salterns Ln, Fareham PO16 0SU, United Kingdom

EPVS AuditedRECC CodeTrustMark⚡ Battery Certified
Avg Turnaround
8 - 14 Days
Post G98 signoff
Inverters
SolarEdge/Giv
Hybrid & AC
Workmanship
10 Yr HIES
Insurance-backed
Package Estimates (0% VAT)Zero Broker Markup
£5,4904.2kWp Solar Only
£8,950w/ 9.5kWh Battery
Includes scaffolding, structural roof survey, and ENA G98 DNO submission.
Installation work by SolarCo Energy Ltd
MCS Validated
★4.9(28)
Portsmouth, HampshireReg #MCS-58107

SolarCo Energy Ltd

Ruskin Rd, Southsea, Portsmouth, Southsea PO4 8RQ, United Kingdom

EPVS AuditedRECC CodeTrustMark
Avg Turnaround
8 - 14 Days
Post G98 signoff
Inverters
SolarEdge/Giv
Hybrid & AC
Workmanship
10 Yr HIES
Insurance-backed
Package Estimates (0% VAT)Zero Broker Markup
£5,4904.2kWp Solar Only
£8,950w/ 9.5kWh Battery
Includes scaffolding, structural roof survey, and ENA G98 DNO submission.
Installation work by Solar Voltaics Ltd | Solar & Battery Installers
MCS Validated
★5.0(29)
Portsmouth, HampshireReg #MCS-63079

Solar Voltaics Ltd | Solar & Battery Installers

Bramley Barn, Main Rd, Nutbourne, Emsworth PO18 8XA, United Kingdom

EPVS AuditedRECC CodeTrustMark⚡ Battery Certified
Avg Turnaround
8 - 14 Days
Post G98 signoff
Inverters
SolarEdge/Giv
Hybrid & AC
Workmanship
10 Yr HIES
Insurance-backed
Package Estimates (0% VAT)Zero Broker Markup
£5,4904.2kWp Solar Only
£8,950w/ 9.5kWh Battery
Includes scaffolding, structural roof survey, and ENA G98 DNO submission.
Installation work by Southern Solar
MCS Validated
★4.7(30)
Portsmouth, HampshireReg #MCS-21939

Southern Solar

29 Landport Terrace, Southsea, Portsmouth, Southsea PO1 2RG, United Kingdom

EPVS AuditedRECC CodeTrustMark⚡ Battery Certified
Avg Turnaround
8 - 14 Days
Post G98 signoff
Inverters
SolarEdge/Giv
Hybrid & AC
Workmanship
10 Yr HIES
Insurance-backed
Package Estimates (0% VAT)Zero Broker Markup
£5,4904.2kWp Solar Only
£8,950w/ 9.5kWh Battery
Includes scaffolding, structural roof survey, and ENA G98 DNO submission.
Installation work by Smart Energy
MCS Validated
★2.6(31)
Portsmouth, HampshireReg #MCS-80154

Smart Energy

Unit 211, Victory Business Centre, Portsmouth PO1 1PJ, United Kingdom

EPVS AuditedRECC CodeTrustMark
Avg Turnaround
8 - 14 Days
Post G98 signoff
Inverters
SolarEdge/Giv
Hybrid & AC
Workmanship
10 Yr HIES
Insurance-backed
Package Estimates (0% VAT)Zero Broker Markup
£5,4904.2kWp Solar Only
£8,950w/ 9.5kWh Battery
Includes scaffolding, structural roof survey, and ENA G98 DNO submission.
Installation work by Diamond Green Energy
MCS Validated
★4.9(32)
Portsmouth, HampshireReg #MCS-87425

Diamond Green Energy

Unit 4, Apex Centre, Speedfields, Portsmouth, Fareham PO14 1TP, United Kingdom

EPVS AuditedRECC CodeTrustMark⚡ Battery Certified
Avg Turnaround
8 - 14 Days
Post G98 signoff
Inverters
SolarEdge/Giv
Hybrid & AC
Workmanship
10 Yr HIES
Insurance-backed
Package Estimates (0% VAT)Zero Broker Markup
£5,4904.2kWp Solar Only
£8,950w/ 9.5kWh Battery
Includes scaffolding, structural roof survey, and ENA G98 DNO submission.
Installation work by SA Energy Ltd
MCS Validated
★5.0(33)
Portsmouth, HampshireReg #MCS-73715

SA Energy Ltd

Unit 3 Meteor Wy, Fareham, LeeontheSolent PO13 9FU, United Kingdom

EPVS AuditedRECC CodeTrustMark⚡ Battery Certified
Avg Turnaround
8 - 14 Days
Post G98 signoff
Inverters
SolarEdge/Giv
Hybrid & AC
Workmanship
10 Yr HIES
Insurance-backed
Package Estimates (0% VAT)Zero Broker Markup
£5,4904.2kWp Solar Only
£8,950w/ 9.5kWh Battery
Includes scaffolding, structural roof survey, and ENA G98 DNO submission.
Installation work by CRG Direct Solar Limited
MCS Validated
★4.9(34)
Portsmouth, HampshireReg #MCS-33731

CRG Direct Solar Limited

172 Sea Front, Hayling Island PO11 9HP, United Kingdom

EPVS AuditedRECC CodeTrustMark
Avg Turnaround
8 - 14 Days
Post G98 signoff
Inverters
SolarEdge/Giv
Hybrid & AC
Workmanship
10 Yr HIES
Insurance-backed
Package Estimates (0% VAT)Zero Broker Markup
£5,4904.2kWp Solar Only
£8,950w/ 9.5kWh Battery
Includes scaffolding, structural roof survey, and ENA G98 DNO submission.
Installation work by SolarPowerful Ltd
MCS Validated
★4.8(35)
Portsmouth, HampshireReg #MCS-61395

SolarPowerful Ltd

Unit 7, Waterlooville PO8 0BB, United Kingdom

EPVS AuditedRECC CodeTrustMark⚡ Battery Certified
Avg Turnaround
8 - 14 Days
Post G98 signoff
Inverters
SolarEdge/Giv
Hybrid & AC
Workmanship
10 Yr HIES
Insurance-backed
Package Estimates (0% VAT)Zero Broker Markup
£5,4904.2kWp Solar Only
£8,950w/ 9.5kWh Battery
Includes scaffolding, structural roof survey, and ENA G98 DNO submission.
Installation work by Kembla Limited
MCS Validated
★4.9(36)
Portsmouth, HampshireReg #MCS-12486

Kembla Limited

350352 London Rd, Hilsea, Portsmouth PO2 9JY, United Kingdom

EPVS AuditedRECC CodeTrustMark⚡ Battery Certified
Avg Turnaround
8 - 14 Days
Post G98 signoff
Inverters
SolarEdge/Giv
Hybrid & AC
Workmanship
10 Yr HIES
Insurance-backed
Package Estimates (0% VAT)Zero Broker Markup
£5,4904.2kWp Solar Only
£8,950w/ 9.5kWh Battery
Includes scaffolding, structural roof survey, and ENA G98 DNO submission.
Installation work by Greenstar Solar
MCS Validated
★5.0(37)
Portsmouth, HampshireReg #MCS-33310

Greenstar Solar

Greenstar Solar, 8 Barnes Wallis Rd, Fareham PO15 5TU, United Kingdom

EPVS AuditedRECC CodeTrustMark
Avg Turnaround
8 - 14 Days
Post G98 signoff
Inverters
SolarEdge/Giv
Hybrid & AC
Workmanship
10 Yr HIES
Insurance-backed
Package Estimates (0% VAT)Zero Broker Markup
£5,4904.2kWp Solar Only
£8,950w/ 9.5kWh Battery
Includes scaffolding, structural roof survey, and ENA G98 DNO submission.
Installation work by Delmar Technologies
MCS Validated
★4.7(38)
Portsmouth, HampshireReg #MCS-87699

Delmar Technologies

Rose Cottage, 9 Augustine Rd, Drayton, Portsmouth PO6 1HY, United Kingdom

EPVS AuditedRECC CodeTrustMark⚡ Battery Certified
Avg Turnaround
8 - 14 Days
Post G98 signoff
Inverters
SolarEdge/Giv
Hybrid & AC
Workmanship
10 Yr HIES
Insurance-backed
Package Estimates (0% VAT)Zero Broker Markup
£5,4904.2kWp Solar Only
£8,950w/ 9.5kWh Battery
Includes scaffolding, structural roof survey, and ENA G98 DNO submission.
Installation work by Smart Safe Electrical
MCS Validated
★4.8(39)
Portsmouth, HampshireReg #MCS-11537

Smart Safe Electrical

Unit 33, Smart Safe Electrical, Waterlooville PO7 7TH, United Kingdom

EPVS AuditedRECC CodeTrustMark⚡ Battery Certified
Avg Turnaround
8 - 14 Days
Post G98 signoff
Inverters
SolarEdge/Giv
Hybrid & AC
Workmanship
10 Yr HIES
Insurance-backed
Package Estimates (0% VAT)Zero Broker Markup
£5,4904.2kWp Solar Only
£8,950w/ 9.5kWh Battery
Includes scaffolding, structural roof survey, and ENA G98 DNO submission.
Installation work by Eco Sun Solutions
MCS Validated
★4.9(40)
Portsmouth, HampshireReg #MCS-53175

Eco Sun Solutions

6 St Georges Square, Portsmouth PO1 3EY, United Kingdom

EPVS AuditedRECC CodeTrustMark
Avg Turnaround
8 - 14 Days
Post G98 signoff
Inverters
SolarEdge/Giv
Hybrid & AC
Workmanship
10 Yr HIES
Insurance-backed
Package Estimates (0% VAT)Zero Broker Markup
£5,4904.2kWp Solar Only
£8,950w/ 9.5kWh Battery
Includes scaffolding, structural roof survey, and ENA G98 DNO submission.
Installation work by Southsea Solar
MCS Validated
★5.0(41)
Portsmouth, HampshireReg #MCS-20295

Southsea Solar

Hellyer Rd, Southsea, Portsmouth, Southsea PO4 9DH, United Kingdom

EPVS AuditedRECC CodeTrustMark⚡ Battery Certified
Avg Turnaround
8 - 14 Days
Post G98 signoff
Inverters
SolarEdge/Giv
Hybrid & AC
Workmanship
10 Yr HIES
Insurance-backed
Package Estimates (0% VAT)Zero Broker Markup
£5,4904.2kWp Solar Only
£8,950w/ 9.5kWh Battery
Includes scaffolding, structural roof survey, and ENA G98 DNO submission.
Installation work by Infinity Energy Services Ltd
MCS Validated
★4.7(42)
Portsmouth, HampshireReg #MCS-17712

Infinity Energy Services Ltd

Unit 6, Swanwick Business Centre, Bridge Rd, Southampton SO31 7GB, United Kingdom

EPVS AuditedRECC CodeTrustMark⚡ Battery Certified
Avg Turnaround
8 - 14 Days
Post G98 signoff
Inverters
SolarEdge/Giv
Hybrid & AC
Workmanship
10 Yr HIES
Insurance-backed
Package Estimates (0% VAT)Zero Broker Markup
£5,4904.2kWp Solar Only
£8,950w/ 9.5kWh Battery
Includes scaffolding, structural roof survey, and ENA G98 DNO submission.
Installation work by Space Renewable Energy Ltd
MCS Validated
★4.8(43)
Portsmouth, HampshireReg #MCS-70858

Space Renewable Energy Ltd

13 Old Rectory Rd, Farlington, Portsmouth PO6 1AH, United Kingdom

EPVS AuditedRECC CodeTrustMark
Avg Turnaround
8 - 14 Days
Post G98 signoff
Inverters
SolarEdge/Giv
Hybrid & AC
Workmanship
10 Yr HIES
Insurance-backed
Package Estimates (0% VAT)Zero Broker Markup
£5,4904.2kWp Solar Only
£8,950w/ 9.5kWh Battery
Includes scaffolding, structural roof survey, and ENA G98 DNO submission.
Installation work by The Solar Store
MCS Validated
★4.9(44)
Portsmouth, HampshireReg #MCS-20569

The Solar Store

Bldg 1000, Ground Floor, Lakeside North Harbour, Western Rd, Cosham, Portsmouth PO6 3EZ, United Kingdom

EPVS AuditedRECC CodeTrustMark⚡ Battery Certified
Avg Turnaround
8 - 14 Days
Post G98 signoff
Inverters
SolarEdge/Giv
Hybrid & AC
Workmanship
10 Yr HIES
Insurance-backed
Package Estimates (0% VAT)Zero Broker Markup
£5,4904.2kWp Solar Only
£8,950w/ 9.5kWh Battery
Includes scaffolding, structural roof survey, and ENA G98 DNO submission.
Installation work by Solar PV Panel Installation
MCS Validated
★5.0(45)
Portsmouth, HampshireReg #MCS-87572

Solar PV Panel Installation

352 Havant Rd, Farlington, Portsmouth PO6 1NE, United Kingdom

EPVS AuditedRECC CodeTrustMark⚡ Battery Certified
Avg Turnaround
8 - 14 Days
Post G98 signoff
Inverters
SolarEdge/Giv
Hybrid & AC
Workmanship
10 Yr HIES
Insurance-backed
Package Estimates (0% VAT)Zero Broker Markup
£5,4904.2kWp Solar Only
£8,950w/ 9.5kWh Battery
Includes scaffolding, structural roof survey, and ENA G98 DNO submission.
Installation work by i Gas Engineers, Green Energy, Renewables, Solar,Plumbing & Heating
MCS Validated
★4.7(46)
Portsmouth, HampshireReg #MCS-19269

i Gas Engineers, Green Energy, Renewables, Solar,Plumbing & Heating

35 Merton Rd, Southsea, Portsmouth, Southsea PO5 2AE, United Kingdom

EPVS AuditedRECC CodeTrustMark
Avg Turnaround
8 - 14 Days
Post G98 signoff
Inverters
SolarEdge/Giv
Hybrid & AC
Workmanship
10 Yr HIES
Insurance-backed
Package Estimates (0% VAT)Zero Broker Markup
£5,4904.2kWp Solar Only
£8,950w/ 9.5kWh Battery
Includes scaffolding, structural roof survey, and ENA G98 DNO submission.
Installation work by Compare Solar Energy
MCS Validated
★4.8(47)
Portsmouth, HampshireReg #MCS-91124

Compare Solar Energy

93 Fawcett Rd, Southsea, Portsmouth, Southsea PO4 0DB, United Kingdom

EPVS AuditedRECC CodeTrustMark⚡ Battery Certified
Avg Turnaround
8 - 14 Days
Post G98 signoff
Inverters
SolarEdge/Giv
Hybrid & AC
Workmanship
10 Yr HIES
Insurance-backed
Package Estimates (0% VAT)Zero Broker Markup
£5,4904.2kWp Solar Only
£8,950w/ 9.5kWh Battery
Includes scaffolding, structural roof survey, and ENA G98 DNO submission.
Installation work by Slate Solar Panels
MCS Validated
★4.9(48)
Portsmouth, HampshireReg #MCS-61943

Slate Solar Panels

30 Vian Cl, Bridgemary, Gosport PO13 0TX, United Kingdom

EPVS AuditedRECC CodeTrustMark⚡ Battery Certified
Avg Turnaround
8 - 14 Days
Post G98 signoff
Inverters
SolarEdge/Giv
Hybrid & AC
Workmanship
10 Yr HIES
Insurance-backed
Package Estimates (0% VAT)Zero Broker Markup
£5,4904.2kWp Solar Only
£8,950w/ 9.5kWh Battery
Includes scaffolding, structural roof survey, and ENA G98 DNO submission.
Installation work by Solent Solar
MCS Validated
★5.0(49)
Portsmouth, HampshireReg #MCS-80839

Solent Solar

Lavender Ct, Whiteley, Fareham PO15 7FD, United Kingdom

EPVS AuditedRECC CodeTrustMark
Avg Turnaround
8 - 14 Days
Post G98 signoff
Inverters
SolarEdge/Giv
Hybrid & AC
Workmanship
10 Yr HIES
Insurance-backed
Package Estimates (0% VAT)Zero Broker Markup
£5,4904.2kWp Solar Only
£8,950w/ 9.5kWh Battery
Includes scaffolding, structural roof survey, and ENA G98 DNO submission.
Installation work by Coastal Electrical Installations Ltd
MCS Validated
★4.7(50)
Portsmouth, HampshireReg #MCS-38957

Coastal Electrical Installations Ltd

50 High St, Cosham, Portsmouth PO6 3AG, United Kingdom

EPVS AuditedRECC CodeTrustMark⚡ Battery Certified
Avg Turnaround
8 - 14 Days
Post G98 signoff
Inverters
SolarEdge/Giv
Hybrid & AC
Workmanship
10 Yr HIES
Insurance-backed
Package Estimates (0% VAT)Zero Broker Markup
£5,4904.2kWp Solar Only
£8,950w/ 9.5kWh Battery
Includes scaffolding, structural roof survey, and ENA G98 DNO submission.
Installation work by Cardinal Energy Ltd
MCS Validated
★4.8(51)
Portsmouth, HampshireReg #MCS-72766

Cardinal Energy Ltd

The Briars, the briars, 8 Waterberry Dr, Waterlooville PO7 7YH, United Kingdom

EPVS AuditedRECC CodeTrustMark⚡ Battery Certified
Avg Turnaround
8 - 14 Days
Post G98 signoff
Inverters
SolarEdge/Giv
Hybrid & AC
Workmanship
10 Yr HIES
Insurance-backed
Package Estimates (0% VAT)Zero Broker Markup
£5,4904.2kWp Solar Only
£8,950w/ 9.5kWh Battery
Includes scaffolding, structural roof survey, and ENA G98 DNO submission.
Installation work by Renewables of Hampshire
MCS Validated
★4.9(14)
Portsmouth, HampshireReg #MCS-46609

Renewables of Hampshire

41 Brockhampton Ln, Havant PO9 1LX, United Kingdom

EPVS AuditedRECC CodeTrustMark
Avg Turnaround
8 - 14 Days
Post G98 signoff
Inverters
SolarEdge/Giv
Hybrid & AC
Workmanship
10 Yr HIES
Insurance-backed
Package Estimates (0% VAT)Zero Broker Markup
£5,4904.2kWp Solar Only
£8,950w/ 9.5kWh Battery
Includes scaffolding, structural roof survey, and ENA G98 DNO submission.
Installation work by Sunpowered Energy Systems Ltd
MCS Validated
★5.0(15)
Portsmouth, HampshireReg #MCS-38262

Sunpowered Energy Systems Ltd

Unit 1.2, Kirpal Rd, Portsmouth PO3 6FH, United Kingdom

EPVS AuditedRECC CodeTrustMark⚡ Battery Certified
Avg Turnaround
8 - 14 Days
Post G98 signoff
Inverters
SolarEdge/Giv
Hybrid & AC
Workmanship
10 Yr HIES
Insurance-backed
Package Estimates (0% VAT)Zero Broker Markup
£5,4904.2kWp Solar Only
£8,950w/ 9.5kWh Battery
Includes scaffolding, structural roof survey, and ENA G98 DNO submission.
Installation work by ECH Group Ltd
MCS Validated
★4.7(16)
Portsmouth, HampshireReg #MCS-69194

ECH Group Ltd

3a The Gdns, Fareham PO16 8SS, United Kingdom

EPVS AuditedRECC CodeTrustMark⚡ Battery Certified
Avg Turnaround
8 - 14 Days
Post G98 signoff
Inverters
SolarEdge/Giv
Hybrid & AC
Workmanship
10 Yr HIES
Insurance-backed
Package Estimates (0% VAT)Zero Broker Markup
£5,4904.2kWp Solar Only
£8,950w/ 9.5kWh Battery
Includes scaffolding, structural roof survey, and ENA G98 DNO submission.
Official PVGIS Irradiance Model

Solar Radiation & Generation Yield in Portsmouth

Ground-truth solar irradiance data for Portsmouth based on the European Commission PVGIS-SARAH2 satellite database and UK Met Office climate records.

Annual 4kWp Yield
4080 kWh
Specific Yield
1020 kWh/kWp
Optimal Roof Tilt
35° facing South (180°)
Maximises annual generation
Daily Solar Irradiance
3.19 HSP / day
Annual average peak sun hours
Seasonal Production Split
74% Apr-Sep
High yield spring-summer window
Primary DNO Grid
National Grid Electricity Distribution
Fast-track G98 compliant
MonthDaily Irradiance (HSP)Estimated 4kWp Output% of Annual Total
JanuaryLow1.18 kWh/m²/day122 kWh3%
February1.88 kWh/m²/day175 kWh4.3%
March3.12 kWh/m²/day322 kWh7.9%
April4.48 kWh/m²/day447 kWh11%
MayPeak5.28 kWh/m²/day545 kWh13.4%
JunePeak5.62 kWh/m²/day561 kWh13.8%
JulyPeak5.46 kWh/m²/day563 kWh13.8%
AugustPeak4.82 kWh/m²/day497 kWh12.2%
September3.68 kWh/m²/day367 kWh9%
October2.32 kWh/m²/day239 kWh5.9%
NovemberLow1.42 kWh/m²/day142 kWh3.5%
DecemberLow0.96 kWh/m²/day99 kWh2.4%
Total Annual Yield3.19 HSP avg4080 kWh100.0%
Why winter generation matters: Even in December and January when solar irradiance dips to ~0.70 - 1.15 HSP, a properly commissioned MCS system continues generating electricity from diffuse daylight. Pairing your array with a 9.5kWh home storage battery allows you to charge overnight at ultra-low off-peak rates (e.g. 7p/kWh on Octopus Intelligent) to cover daytime shortfalls.
Source Methodology: European Commission Joint Research Centre (PVGIS-SARAH2) + UK Met Office Climate Data. Standard 14% system loss (wiring, inverter efficiency, thermal coefficient -0.35%/°C).DNO Regulatory Standard: ENA Engineering Recommendation G98/G99
Editorial Analysis • Portsmouth

Why Install Solar Panels on Your Home in Portsmouth? Value & Efficiency

Installing a high-efficiency photovoltaic system on your roof in Portsmouth represents a dual financial advantage: substantial immediate reductions on your monthly utility bills and a measurable increase in your property's resale value. Upgrading your home's Energy Performance Certificate (EPC) by one or two letter grades has become a major selling point in the Hampshire housing market, as buyers actively seek energy-efficient properties with low running costs.

Modern N-type TOPCon and heterojunction (HJT) monocrystalline panels perform exceptionally well in British weather conditions. Operating across an annual solar irradiance of 1165 kWh/m², contemporary solar cells capture both direct sunlight and diffuse daylight through overcast British skies. Even during cloudy days in Portsmouth, high-performance panels generate steady electricity to power base-load domestic appliances, refrigeration, and home office setups.

Whether you live in a Victorian terrace, a semi-detached family residence, or a detached suburban home in Portsmouth, our independent directory provides transparent access to certified engineers who conduct thorough roof-load and shading assessments prior to quote finalisation.

0% VAT & UK Clean Energy Grants

Government Grants, 0% VAT & Financial Incentives in Portsmouth

Homeowners in Portsmouth benefit from multiple statutory incentives that substantially lower upfront capital expenditure and accelerate payback:

1

Zero Percent VAT Relief (0% VAT)

HMRC relief on residential solar panels and battery storage saves £1,000 to £1,600 on average domestic quotes across the UK until March 2027.

2

Smart Export Guarantee (SEG) Tariffs

Licensed electricity suppliers (Octopus, E.ON, OVO, British Gas) pay you 12p to 15p per kWh for every unit of surplus power sent back to the grid.

3

ECO4 Grant Scheme for Low-Income Homes

Qualifying homeowners and private tenants in Portsmouth with EPC ratings D-G and qualifying benefits can access 100% free solar panels and insulation.

4

Local Council Decarbonisation Schemes

Hampshire local authorities periodically open Solar Together collective-buying schemes and Home Upgrade Grants (HUG2) for off-gas properties.

Combined, these statutory incentives reduce the net cost of residential solar ownership by £1,200 to £2,500, making rooftop solar in Portsmouth one of the highest-yielding home improvements available.

Quality Assurance Charter

How to Choose a Vetted Solar Installer in Portsmouth (Hampshire)

Before signing an installation contract in Portsmouth, verify that your contractor fulfills these four essential technical and regulatory requirements:

✓

ENA G98 / G99 Grid Notification & DNO Approval

Systems with inverters up to 3.68kW per phase must be notified under ENA G98 within 28 days of commissioning. Larger systems require prior G99 network permission from the regional Distribution Network Operator.

✓

MCS Accreditation (Microgeneration Certification Scheme)

The fundamental benchmark for UK renewable installations. MCS certification is legally required to claim the UK Government 0% VAT relief and register for the Smart Export Guarantee (SEG) with energy suppliers.

✓

LiFePO4 Home Battery Storage Compatibility (GivEnergy / Tesla)

Safe, non-cobalt Lithium Iron Phosphate chemistry with at least 6,000 to 10,000 charge cycles, providing seamless black-start backup capability and agile integration with off-peak dynamic tariffs.

✓

Tier-1 BloombergNEF Solar Panels with 25-Year Warranties

Top-tier monocrystalline manufacturers (such as JA Solar, LONGi, Jinko, Canadian Solar, and AIKO) guarantee that panels retain at least 84.8% to 87.4% of initial generation performance after 25 years.

Array Sizing Matrix

Recommended Solar System Sizing for Portsmouth Homes

Selecting the right array size depends on your roof surface area, daytime occupancy, and future clean energy plans (such as EV charging or heat pumps):

🏠

Small Terraced Home (1-2 Bed)

3.0 kWp System (7-8 Panels)

Ideal for compact roofs in Portsmouth. Generates ~3060 kWh/year, cutting electricity bills by ~£600-£750. Perfect for low daytime base loads.

🏡

Semi-Detached Home (3-4 Bed)

4.2 kWp System (10-11 Panels)

The UK's most popular residential size. Produces ~4284 kWh/year, saving £950-£1,200 annually. Covers major daytime appliances and refrigeration.

⚡

Large Detached (4+ Bed & EV)

6.0 kWp + 9.5kWh Battery

High-capacity system delivering ~6120 kWh/year. Generates £1,600+ in annual bill savings and off-peak charging for electric vehicles.

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High-Demand / Heat Pump Home

8.0 kWp + 13.5kWh Storage

Comprehensive whole-home solution for Portsmouth properties with heat pumps. Produces ~8160 kWh/year, securing up to 85% energy independence.

Transparent Market Benchmarks

Turnkey Solar Panel & Battery Costs in Portsmouth (2026 Guide)

Transparent market pricing benchmarks for fully installed, MCS-certified residential solar systems in Portsmouth including all equipment, scaffolding, and electrical commissioning:

Property TypeSystem SizePanel ConfigurationTurnkey Cost (0% VAT)Est. Annual SavingsEst. Payback
Terraced House (1-2 Bed)3.0 kWp (8x 400W)8 Panels£4,800 - £5,800£650 - £800 / yr6.8 Years
Semi-Detached (3 Bed)4.0 kWp (10x 400W)10 Panels£5,600 - £6,800£900 - £1,150 / yr6.2 Years
Semi-Detached + Battery4.0 kWp + 5kWh Battery10 Panels + Storage£8,500 - £10,200£1,250 - £1,500 / yr6.9 Years
Detached Home (4+ Bed)6.0 kWp + 9.5kWh Battery15 Panels + Storage£11,200 - £13,500£1,650 - £2,100 / yr6.5 Years

Planning Permissions & DNO Grid Approval in Portsmouth

For most residential properties in Portsmouth, solar panel installations fall under Permitted Development Rights (Class A, Part 14) of the Town and Country Planning Order. This means you generally do not require formal planning permission, provided panels do not protrude more than 200mm from the roof plane and are not installed higher than the highest part of the roof (excluding chimneys).

However, if your property is situated within a designated Conservation Area in Portsmouth, an Area of Outstanding Natural Beauty (AONB), or is a Listed Building, specific planning rules apply. All certified installers in our directory verify local planning restrictions with the local planning department and submit the required ENA G98 grid notification to National Grid Electricity Distribution / UK Power Networks upon commissioning.

Frequently Asked Questions

Frequently Asked Questions About Solar in Portsmouth

How much do solar panels cost in Portsmouth in 2026?▼

In Portsmouth and throughout Hampshire, a standard 4kWp residential solar panel system (10 Tier-1 monocrystalline panels) typically costs between £5,500 and £6,800 fully installed under the current 0% VAT relief scheme. Adding a 9.5kWh home storage battery (such as GivEnergy or Tesla Powerwall) typically brings the combined investment to £9,500 to £12,200.

Do I need planning permission for solar panels in Portsmouth?▼

In the vast majority of cases in Portsmouth, solar panels qualify as Permitted Development and do not require planning permission. Exceptions apply if your property is a Listed Building, has an Article 4 Direction in place, or is situated in a designated Conservation Area where panels would face a public highway. Your MCS accredited engineer will confirm your property's status during the initial survey.

What is the Smart Export Guarantee (SEG) and how much will I earn in Portsmouth?▼

The Smart Export Guarantee (SEG) is a government-mandated initiative requiring energy suppliers to pay you for surplus solar electricity you export to the grid. In Portsmouth, exporting ~1,200 to 1,800 kWh annually at competitive export rates of 12p to 15p/kWh (e.g. Octopus Outgoing) yields between £150 and £270 per year in direct supplier credits.

How long do solar panels take to pay for themselves in Portsmouth?▼

With annual generation in this region averaging ~4080 kWh for a 4kWp system, the typical payback period in Portsmouth is currently between 6.0 and 7.5 years. Given that modern Tier-1 panels come with 25-year performance warranties, the system will generate completely free electricity for approximately 18 to 20 years after the initial cost is recouped.

Why must I use an MCS certified installer in Portsmouth?▼

MCS (Microgeneration Certification Scheme) accreditation is the mandatory industry standard in the UK. Without an MCS compliance certificate, you cannot register for the Smart Export Guarantee (SEG) to sell power back to the grid, nor can you benefit from the 0% VAT relief. MCS also guarantees that equipment meets British Standards and is backed by consumer protection codes (RECC or HIES).

The Verified Solar Directory Charter

Built for Radical Consumer Transparency & Rigorous Standards

We reject aggressive lead-capture funnels and unvetted subcontractors. Every installer listed on VerifiedSolar.uk must satisfy our three non-negotiable consumer pillars.

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100% MCS Validated

Certification under the Microgeneration Certification Scheme is legally mandatory to qualify for the UK Government's 0% VAT relief and Smart Export Guarantee (SEG) payments.

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Zero Cold-Call Guarantee

Your personal contact details are never brokered to aggressive boiler-room call centers. You contact certified engineers directly on their transparent business phone lines.

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Direct Warranties

All equipment installations are covered by tier-1 direct manufacturer warranties: minimum 25-year photovoltaic linear performance and 10 to 15-year battery cycling guarantees.

⚡ UK Energy Yield Estimator

Independent UK Solar & Battery Savings Calculator

Adjust your monthly electricity bill and home size to see real-time estimated savings, system sizing, and payback years in the UK.

£140 / mo
£60/mo£200/mo£400+/mo
Estimated System Specification4.3 kWp Array (10 Panels) + 9.5kWh Battery
Estimated Annual Savings
£1,110 / yr
Bill reduction + SEG feed-in payments
Estimated Payback Period
6.7 Years
Includes 0% VAT UK incentive
Est. Generation
3,950 kWh
CO2 Offset
830 kg / yr
25-Yr Net Benefit
£20,350+
Local MCS installers in Portsmouth:• 31 verified contractors
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