Renewable Energy Specialists
We are JP Harrisons, trading name of Harrison & Lea Ltd. We power new build and commercial properties across the UK with smart, sustainable solar PV systems. We help developers hit sustainability targets, cut costs, and boost their green credentials - all with full in-house design, CAD expertise, and large-scale installation capability.
We work as an extension of your team - coordinating closely with site managers, design teams, and subcontractors for a smooth project lifecycle.
Collaboration first
We bring deep engineering expertise to every project, delivering systems that are high-performing, compliant, and future-ready.
Technical Excellence
You can count on us to meet deadlines, communicate clearly, and take full ownership of our scope—from design to commissioning.
Accountability
We work to the highest industry standards (G99/G100, BS7671, CDM regs, etc.) and prioritise safety across all site activities..
Compliance
We ensure our systems integrate into your electrical and structural design with minimal disruption and maximum efficiency.
Design Integration
We help construction teams deliver on sustainability and ESG targets through solar systems that provide measurable carbon and cost savings.
Sustainability
Our Services
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![An aerial view of a large building with solar panels on the roof, surrounded by parking lots and construction areas, with green fields and trees in the background.]()
Solar PV Installation
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![A white electric vehicle is plugged into a charging station on a brick wall, with a garden background.]()
EV Charging
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![Outdoor solar panel setup with a portable power station on green grass, glass solar panels arranged in rows, and hills with trees in the background under cloudy sky.]()
Battery Storage
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![An aerial view of a building with a large roof covered in solar panels, surrounded by parking lots, green fields, trees, and sports courts.]()
PPA Retrofit
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![Aerial view of a large white commercial building rooftop with multiple solar panels installed on different sections, surrounded by trees and a parking area with construction equipment.]()
Commercial
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![Aerial view of a construction site with several buildings, solar panel rooftops, parking lot, and surrounding roads with vehicles]()
Industrial & New Build
Our Impact So Far
8,804
Total Solar Panels Installed
4.285 MW
Total Energy Generated
3,317
Equivalent Trees Planted
Our Accreditations
Our Projects
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![Aerial view of a residential housing complex with multiple modern townhouses, roads, and cars. Parks and trees surround the area, with a highway running nearby.]()
Old Thanet Way
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![Aerial view of St Ann's RC Primary School building with solar panel installation on the roof and surrounding green fields and trees.]()
St Ann's RC Primary School
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![A large warehouse with a flat roof covered in solar panels, surrounded by parking lot and construction area, with green fields and trees in the background.]()
Omega 4
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![Bird's eye view of a large industrial building with multiple solar panels installed on its white metal roof, surrounded by trees.]()
Staines
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![Aerial view of a flat commercial building roof with multiple solar panel installations, surrounded by grass, parking lots, and residential houses.]()
Seashell Trust
Get in touch.
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