Bwlch Gwynt Solar Farm
Ground-mount solar farm in Carmarthen, integrated with an existing wind turbine to create a hybrid renewable site.
Grid constraints were limiting renewable energy generation
The Bwlch Gwynt project sought to increase renewable energy generation at an existing wind energy site in Carmarthenshire. The challenge was that securing new grid capacity can be difficult and time-consuming, requiring an alternative approach that could maximise renewable generation without the need for a separate export connection. The site's remote location also introduced additional logistical and technical challenges during delivery.
Hybrid renewable infrastructure designed around existing grid capacity
Working alongside Vital Energi, Nuvolt delivered the high-voltage infrastructure, cabling and commissioning works for a 576 kWp ground-mounted solar farm integrated with an existing wind turbine. The project utilised a shared high-voltage export system, allowing solar and wind generation to operate together through a single grid connection and optimise the site's available export capacity. This hybrid approach required careful coordination, grid compliance and specialist engineering expertise to ensure reliable long-term performance.
- Ground-mount solar array integrated with an existing wind turbine
- Hybrid generation profile balances solar and wind output across the day
- Delivered as subcontractor to Vital Energi within a single coordinated programme
- Designed around the site's export capacity to maximise grid utilisation
More renewable generation from existing infrastructure
The completed project demonstrates how solar and wind technologies can be combined to maximise renewable energy generation while making more effective use of existing grid connections. The hybrid system delivers up to 900 kW of renewable power through a shared export arrangement and generates enough electricity to support approximately 500 homes annually. The project provides a practical solution to grid capacity constraints while strengthening renewable energy infrastructure across Wales.
Selected projects
Marston's PLC
Sustainability initiative — headquarters and Phase 1 solar installation across Marston's hospitality estate, delivered with HT Power PPA support.
- System size
- 114.38 kWp
- CO₂ saved
- 17.44 T
- Payback
- 4 years
The Vale Resort
Solar PV plus EV charging delivered live across a working luxury resort and golf club.
- System size
- 168.81 kWp
- Year-1 savings
- £43,049.60
- CO₂ saved
- 28.8 T
Four Elms Group
Solar PV across a UK network of automotive repair and accident management centres.
- System size
- 117.45 kWp
- Year-1 savings
- £33,632
- Payback
- 3 years
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