Willingham / Kent
Sonya Lodge
Sonya Lodge is a specialist residential dementia care home in Wilmington, just outside Dartford. By installing a 41.36 kWp rooftop solar PV system with on-site battery storage, the Home is now generating its own clean electricity to support residents’ comfort while reducing reliance on the grid. The system is modelled to produce around 43,597 kWh of renewable electricity every year, supplying roughly 30% of Sonya Lodge’s annual demand and helping to stabilise long-term energy costs.
Lifetime Savings: £314,224
System Overview
The Sonya Lodge installation uses 94 Jinko Tiger Neo 440 W N-type all-black mono solar panels, mounted across multiple pitched roofs to maximise available space and capture daylight throughout the day.These panels feed into a SolarEdge 30 kW three-phase inverter and a Fox ESS AC3 10 kW three-phase AC-coupled inverter, converting DC power from the array into usable AC electricity for the Home. Energy storage is provided by a Fox ESS system using two EP11 10.36 kWh Li-ion battery modules, giving around 20.7 kWh of usable storage to capture surplus solar generation for use later in the day or overnight.
Performance Factors
To predict the performance of the Sonya Lodge system, we modelled:
-
Location and climate – using long-term meteorological data for Kent to understand how much solar energy is available across the year.
Sonya Lodge
​ -
Roof pitch and orientation – five separate pitched roof areas at approximately 30° were included in the design, with a mix of orientations carefully selected to spread generation across the day.
Sonya Lodge
​ -
Shading – detailed sunpath analysis confirmed minimal shading from nearby buildings or trees, with a shading factor of 1.00 across the modelled roof areas.
explore more case studies
Pink Group
Gorleston / United Kingdom
£174,401
in lifetime energy-cost savings
Meyer House
Erith / Kent
£479,261
in lifetime energy-cost savings
Princess Christian
Woking / Surrey
£742,824
in lifetime energy-cost savings
_edited_edited_e.jpg)
Install in progress...
Manufacturer in Great Yarmouth
£238,019
in lifetime energy-cost savings
Hengistfield
Sittingbourne / Kent
£642,030
in lifetime energy-cost savings
_edited_edited_edited.jpg)