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Dunraven School – 97.2kW Solar PV

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Powering a Greener Future: Dunraven School’s 97.2kWp Solar PV Installation

Overview

Nimbus Solar partnered with Garland to deliver a 97.2kWp solar PV installation at Dunraven School in South London. As an operational school, minimising disruption to students and staff was a key requirement. The main installation works needed to be completed within the two week half-term period, providing a tight programme for the Nimbus Solar team.

Client Requirements

  • Reduce electricity consumption from the grid
  • Lower long-term energy costs
  • Reduce carbon emissions and support sustainability objectives
  • Maximise renewable energy generation across the available roof areas
  • Incorporate advanced system monitoring and fire safety features
  • Be delivered within the half-term window to minimise disruption to the school


The Solar PV System

To meet Toolbank’s requirements, the Nimbus Solar team designed and installed an 88.2kWp commercial rooftop solar PV system, carefully engineered to maximise energy production and return on investment.

  • 216 DMEGC 450W Glass-Glass Solar Panels: High-performance modules selected for efficiency, durability and long-term performance, backed by a 25-year product warranty and 30-year performance warranty.

  • SolarEdge Inverter Technology: SolarEdge inverters were installed alongside panel-level power optimisation, providing efficient energy conversion and detailed system monitoring.

    SolarEdge Safety Technology: The system incorporates SolarEdge power optimisers and a Firefighter Gateway, providing enhanced safety functionality and the ability to reduce DC voltage at module level when required.

  • 129 SolarEdge Power Optimisers: Panel-level optimisation helps maximise generation across the school’s multiple roof areas and differing panel orientations.

  • Van der Valk Mounting System: A robust Van der Valk flat roof mounting solution was used to securely install the solar array across the school’s roof areas.

  • Metal Cable Clips & Containment: Metal cable clips and dedicated cable containment were used throughout the installation to provide secure, durable cable management and a professional finish across the rooftop system.

 
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System Overview

solar panel

No. PV panels

216

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Estimated energy generation

84,692 kWh/year

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System size

97.2 kw

Partners for the Life of Your Building

Solar System Outcome

The completed Dunraven School solar PV installation provides a significant source of clean, renewable electricity while reducing the school’s dependence on grid-supplied energy.

  • Annual Renewable Energy Generation: Approximately 84,692kWh of clean electricity per year.
  • On-Site Solar Consumption: Approximately 77,923kWh of the electricity generated is expected to be consumed directly on-site.
  • Energy Self-Sufficiency: Solar generation is projected to provide approximately 12.48% of the school’s annual electricity requirements.
  • Annual Energy Savings: Estimated electricity savings of approximately £24,054 per year.
  • Carbon Reduction: Approximately 21 tonnes of CO₂ emissions avoided annually.
  • Estimated Payback: Based on the project assumptions, the system has a projected payback period of approximately 3 years and 7 months.


Most importantly, the installation was successfully delivered within the school’s demanding half-term programme. Completing the main works within just one week allowed Dunraven School to benefit from a substantial renewable energy installation with minimal disruption to students, staff and normal school operations.

Working in partnership with Garland, Nimbus Solar delivered a high-performance solar PV system combining renewable energy generation, SolarEdge safety technology and long-term financial savings for Dunraven School.

Ready to lower your operational energy costs and reduce your carbon footprint? Contact Nimbus Solar today to explore how a custom solar PV solution can help your business achieve energy efficiency and long-term savings.

Send Us a Message

If you require a quote for your energy project,  feel free to send us a message by filling in the enquiry form. We aim to get back to you within 3 days. Please add your address so we can check your roof space online.

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