
B9 group installation
Renewable energy engineers, based in Northern Ireland
Solar, batteries and EV chargers, designed together by one team in Larne, covering all six counties of Northern Ireland.
The company
Part of the B9 Energy group
B9Renewables Ltd was incorporated on 8 October 2025 as the group's solar, battery and EV charger installer. Our parent company, B9 Energy, has worked in renewables since 1992; its history is its own, not ours.
- Company
- B9Renewables Ltd
- Company number
- NI734183
- Incorporated
- 8 October 2025
How we work
- Step 1
Desktop assessment
We model your roof from satellite imagery.
- Step 2
Free on-site survey
An engineer checks roof, shading and supply.
- Step 3
Fixed written quote
One page, with the price and nothing excluded.
- Step 4
Installation
Installed, tested and commissioned.
How we quote, and why Northern Ireland differs
We survey before we price. That means climbing into the roof space, checking the rafters and covering, measuring shading through the day, opening the consumer unit and establishing the earthing arrangement. It costs us a visit; it saves you a variation on install day.
You can see one of our jobs in full in the Print Factory case study, a commercial roof in Enniskillen taken from survey through the G99 application to handover, and in the Firmus Energy case study, two solar systems with batteries on offices in Antrim.
We survey, design and manage every job ourselves. When you ring in year four because an inverter has thrown a fault code, you speak to the people who managed your install.
B9 Energy works on landfill gas power and Power-to-X projects, including hydrogen, from the same Larne base.
This region is not covered by the Smart Export Guarantee. Power NI pays 11.88p per kWh for exported units, against import rates near 34p. Grid connections go through NIE Networks under G98 and G99, and grant schemes such as ECO4 do not operate here. Each of those changes the right system design. Where the numbers do not work, we say so.

Solar installs from across the B9 group
B9 group installation
What we commit to
- Free survey, fixed written quoteA written fixed price after a survey. It does not move.
- Manufacturer warranties registeredWe register your warranties and hand over the paperwork.
- NICEIC-approved electrical contractorsAll electrical work is certified by the NICEIC-approved electrical contractors we work with.
- Grid paperwork handledWe submit your G98 or G99 application to NIE Networks.
Find us
5 Willowbank Road, Larne
County Antrim, BT40 2SF
07867 517654
- Mon to Fri 08:00 to 17:30
- Sat 09:00 to 13:00
Get a quote for your home
Send us your postcode and a recent bill. We'll model your roof and tell you whether solar is worth it there. If it is, we survey and give you a fixed written price.
- Free survey
- Fixed written quote
- NIE paperwork handled
- Part of the B9 Energy group, based in Larne