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Support from the Energy Service has enabled Ysgol Gymraeg Casnewydd Primary School to implement renewable energy and energy efficiency upgrades.

First published:
16 October 2025
Last updated:

Summary

Ysgol Gymraeg Casnewydd Primary School in Newport has undergone a phased decarbonisation journey with support from the Welsh Government Energy Service. Through a combination of grants, loans, and technical guidance, the school has implemented renewable energy and energy efficiency upgrades as part of a wider retrofit programme across six schools.

Our support

Technical advice, grant and loan application support, and strategic planning for solar PV, low carbon heating, and lighting upgrades.

Technology solution

2020

  • 37 kWp solar PV system (128 panels) installed by Egni Co-op, capital cost £36,000.

2023 to 2025 

  • £540,961 Low Carbon Heat Grant used to install three Mitsubishi air source heat pumps (450 kW total), replacing old gas boilers.

2024 to 2025

  • £11,589 low-interest loan via the Wales Funding Programme to replace outdated lighting with LED installations.

Investment

  • £36,000 solar PV installation supported by Egni Co-op.
  • £540,961 grant for heat pumps.
  • £11,589 loan for LED lighting.

Impact

  • Estimated 4,680 tCO₂e lifetime savings from heat pump system.
  • 35 tCO₂e lifetime savings and £20,000 cost savings from LED lighting.
  • Improved learning and working environment for staff and students.
  • Demonstrates a replicable model for whole-school decarbonisation.
Ysgol Gymraeg Casnewydd Primary School in Newport