Rossendale Valley Energy: Net Zero Terraced Streets
Introduction
Rossendale Valley Energy (RV Energy) has launched the Net Zero Terraced Streets (NZTS) Project, a pioneering project aimed at transforming Victorian terraced homes into energy-efficient, low-carbon dwellings. This case study explores how RV Energy is addressing the challenges of retrofitting older housing stock, reducing fuel poverty, and creating a replicable model for community-led decarbonisation. The initiative is designed to deliver long-term benefits for residents, the environment, and the local economy. Their new approach tackles the energy crisis on a communal level.
Victorian terraces present unique challenges: limited space, outdated insulation, and high energy bills. RV Energy’s approach avoids costly electric boilers and instead uses shared ground-source heat pump systems connected via ambient heat loops. Each home is fitted with smart hot water cylinders or thermal batteries, ensuring efficient heat distribution. Before installation, homes undergo fabric efficiency upgrades, including insulation and ventilation improvements. This integrated system achieves a Coefficient of Performance (CoP) of around 4, compared to 1 for electric boilers, reducing energy costs by up to 75%and cutting peak grid demand by 80%. These measures also improve indoor air quality and comfort, addressing health issues linked to cold, damp homes.
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