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Quinn – Solar Installation (2025)

5kW Solar PV System with Fox ESS Battery Storage

This solar installation in Boldon Colliery features a 5kW PV system paired with a Fox ESS EP12 battery delivering over 10kWh of usable storage. The system was engineered for a home-all-day occupancy pattern, ensuring strong battery utilisation and increased independence from the grid.

The JA Solar DeepBlue 500W panels provide high efficiency, while the Fox ESS hybrid inverter ensures seamless solar-to-battery energy flow. The installation includes bird protection, scaffolding, full MCS certification and a 2-year workmanship warranty from SEE Ltd.

Technical Information:

Solar Panel Brand & Model:JA Solar DeepBlue 4.0 Pro 500W
Number of Panels:10
Inverter:Fox ESS H1-3.7-E-G2 (3.68kW)
Battery Storage:Fox ESS EP12 (11.52kWh / 10.37kWh usable)
Mounting System:Renusol Roof Mounting Kit
Additional Components:Bird Mesh, AC Isolators, OFGEM Meter, Scaffolding, G98 Notification, MCS Certificate


Installation Data

Installed Capacity5 kWp
Orientation35°
Inclination30°
Postcode Region9E
kWh/kWp863
Shade Factor1
Estimated Annual Output4,320 kWh
Annual Electricity Consumption4,884 kWh
Self-Consumption (PV Only)1,463 kWh (30%)
Battery Usable Capacity10.37 kWh
Self-Consumption (With Battery)3,318 kWh (68%)


25-Year Financial Summary

Net Present Value (NPV)£21,083.61
Discounted Payback Period7–8 Years
Internal Rate of Return (IRR)15.4%


Project Gallery:

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