Harlow Leisure Zone

Harlow Leisurezone is a sports and leisure center in Harlow that has been serving the community for 55 years. Operated by the Harlow & District Sports Trust, a registered charity, it has played a vital role in local sports development and even functioned as a training facility for elite athletes ahead of the London 2012 Olympics.

In 2024 Harlow Leisurezone adopted solar energy with a circa 700kWp system, anticipated to save approximately 2,909 tonnes of COâ‚‚ over its lifespan. In the first year alone, the installation is projected to reduce emissions by 124 tonnes. The analysis demonstrated a sub-3-year payback and Internal rate of return (IRR) of 35%, demonstrating the long-term environmental and financial benefits of solar investment.

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Solar Panels for Leisure Centres: Harlow Leisure Zone Solar PV Project

Project Overview

Energy Gain was appointed to design and install a 700 kWp commercial rooftop solar PV system at Harlow Leisure Zone. The project was designed to reduce the site’s electricity costs, lower carbon emissions and improve the long-term sustainability of one of the area’s busiest leisure facilities.

With high daytime electricity demand from swimming pools, gyms, lighting and HVAC systems, the leisure centre was an ideal candidate for solar. The challenge was delivering the installation safely and efficiently while the site remained fully operational.

The Challenge

Although straightforward in principle, this project presented several logistical and engineering challenges that required detailed planning before work could begin.

Maintaining Normal Operations

The leisure centre remained open throughout the installation. Members continued using the gym, swimming pool and other facilities every day, meaning safety and minimising disruption were essential.

The client’s priority was simple: complete the installation without affecting staff, visitors or day-to-day operations.

Standing Seam Roof

The building featured a standing seam metal roof, which required a specialist mounting solution. Traditional fixing methods that penetrate the roof were not suitable, as they could compromise the roof’s weatherproofing and increase future maintenance risks.

Material Security

Large commercial solar projects require deliveries of solar panels, mounting systems, inverters and electrical equipment over several weeks. Leaving valuable equipment on site unnecessarily increases the risk of theft, particularly on publicly accessible sites.

Working Around a Busy Site

Vehicle movements, deliveries, contractors and members of the public all needed to be safely managed throughout the project while maintaining access to the building at all times.

Our Solution

Every aspect of the project was carefully planned before installation began.

A detailed programme of works was agreed with the client, allowing installation activities to be coordinated around the leisure centre’s daily operation. Regular communication between our site team and the client ensured any activities affecting access were planned well in advance.

For the standing seam roof, Energy Gain specified a non-penetrative mounting system designed specifically for this type of construction. The mounting brackets clamp directly onto the roof seams, removing the need to drill through the roof covering. This protects the roof’s integrity while providing a secure fixing for the solar array.

To minimise the risk of theft, equipment deliveries were carefully scheduled to match the installation programme. Materials were delivered only when required, reducing the amount of valuable equipment stored on site. Secure storage arrangements and effective site management further reduced risk throughout the project.

Working areas were clearly separated from public access routes and deliveries were carefully coordinated to ensure the leisure centre could continue operating without disruption.

The result was a safe, well-managed installation completed with no impact on the day-to-day running of the leisure centre.

Engineering Insight

Every commercial roof presents different design considerations, and selecting the correct mounting system is just as important as designing the solar PV system itself.

Before installation, our engineers completed a structural assessment of the roof to confirm it was suitable for the proposed solar array. This assessment helped determine the most appropriate mounting solution, panel layout and load distribution across the building.

Using a non-penetrative standing seam mounting system provided several advantages:

  • No drilling through the roof covering
  • Maintains the roof’s weatherproofing
  • Reduces long-term maintenance requirements
  • Faster installation compared with traditional fixing methods
  • Provides a secure fixing designed specifically for standing seam roofs

Careful consideration was also given to cable routes, inverter locations, maintenance access and future servicing requirements to ensure the completed installation performs efficiently throughout its lifetime.

Harlow Leisure Zone drone image with Logo: Solar Panels for Leisure Centres

Why Solar is Ideal for Leisure Centres

Leisure centres are among the best commercial buildings for solar PV because they consume large amounts of electricity during daylight hours.

Swimming pools require continuous heating, filtration and pumping systems, while gyms, changing rooms, lighting and HVAC systems operate throughout the day. Many leisure centres are open from early morning until late evening, creating a consistent demand for electricity when solar panels are generating the most energy.

Using more of the electricity on site increases self-consumption, helping reduce electricity bills, lower reliance on the National Grid and improve the financial return from the installation

Project Results

The completed solar PV system now generates renewable electricity directly on site, reducing both operating costs and carbon emissions while supporting the client’s sustainability objectives.

Project Statistics

  • System Size: 700 kWp
  • Solar Panels Installed: 1609
  • Annual Generation: 601 MWh
  • Annual COâ‚‚ Savings: 126 Tonnes
  • Lifetime COâ‚‚ Savings: 2961 Tonnes

Project at a Glance

Item

Detail

Sector

Leisure

Client

Harlow Leisure Zone

Roof Type

Standing seam metal roof

Installation Type

Commercial rooftop solar PV

Mounting System

Non-penetrative standing seam clamps

Building Operational During Works

Yes

Public Access Maintained

Yes

Business Disruption

None

Structural Assessment

Completed before installation

Site Security

Managed deliveries and secure material storage

Health & Safety

Full RAMS and method statements

Harlow Leisure Zone drone image: Solar Panels for Leisure Centres

Looking to Install Commercial Solar?

Energy Gain has extensive experience delivering commercial rooftop solar installations across the leisure, education, industrial and commercial sectors.

Whether your building has a standing seam roof, flat roof or pitched roof, our team can design a system that maximises energy generation while working around the operational requirements of your business.

If you’re considering commercial solar, contact Energy Gain for a free feasibility assessment and discover how much your organisation could save on its energy costs.

The installation was competitively priced and of excellent quality. The team on site were professional, the project was well-managed, and everything was delivered on time. Communication throughout was clear and consistent, and the energy savings are exactly as promised. I would highly recommend Energy Gain.

Tonia Gosling

Chief Executive

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