Ecovision partnered with South Western Ambulance Service NHS Foundation Trust (SWASFT) to deliver a large-scale solar PV rollout across four units at their headquarters site. The aim was to significantly reduce energy costs and carbon emissions while maintaining critical operational continuity in this highly sensitive environment.
System details
- Unit 1 & 2: 67 kWp
- Unit 3 & 4: 108 kWp
- Unit 7: 28 kWp (including removal of an existing system)
- Unit 8: 27.5 kWp (including removal of an old system)
Solar PV installations across multiple units
Cabling and aesthetics
Most of the cabling was routed discreetly beneath the solar panels. The final connection runs posed challenges due to roof overhangs and external brickwork. SWASFT preferred external cabling; however, we ensured all external runs were kept tidy and visually unobtrusive to maintain the building’s appearance.
Noise mitigation
Given that part of the site operates as a critical call centre, it was imperative to minimise noise disruption during installation. On the first day, noise tests were carried out to confirm levels were acceptable and would not interfere with vital life-saving calls. The project team maintained this standard throughout, ensuring operations continued seamlessly.
Parking and site access
The headquarters is a busy site with limited parking availability. Throughout the project, careful logistics planning ensured minimal disruption to staff and visitors. No major areas were blocked, and parking remained largely available despite the equipment and delivery requirements.
Scaffolding and aerial interference
Units 3 & 4 presented additional complexities due to aerials used as an emergency fallback communication system. It was essential that scaffolding poles remained at least 250 mm away from these aerials. After scaffolding installation, the Trust conducted testing to ensure no negative impact on their communication systems.
An emergency plan was also put in place to vacate workers from the roof in the event that the aerials needed to be activated. While this plan was ultimately not needed, it demonstrated the robust risk management approach taken.
Fire safety integration
At Unit 3 & 4, due to the nature of work in the building and a “stay put” fire policy, we coordinated closely with the fire alarm contractor to install a fire wire detection system underneath the solar panels. This extra layer of safety was critical in ensuring compliance and protecting building occupants.
System replacements
- Unit 7 and Unit 8: Both units required the removal and decommissioning of old solar systems prior to the installation of the new, higher-efficiency PV arrays.
Project outcomes
- Total capacity installed: ~230 kWp
- Carbon savings and substantial reduction in energy costs
- Minimal operational disruption despite a highly sensitive working environment
- Improved site resilience through updated systems and additional safety measures
Collaboration
Regular and routine project meetings were held between Ecovision and the SWASFT project team. This transparent and proactive communication was vital in addressing challenges, maintaining operational continuity, and achieving a smooth delivery across all units.
The SWASFT solar PV rollout exemplifies how thoughtful planning, close stakeholder engagement, and engineering expertise can deliver sustainable energy solutions even in complex, critical environments.
