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Dermody – Solar Installation (2025)

4.4kW Solar PV System with 10.36kWh Battery Storage & EV Charger

This 2025 installation in Newcastle features a 4.4kW solar PV array paired with a Fox ESS hybrid inverter, Fox ESS EP11 battery module and an Ohme Home Pro tethered EV charger. Designed for a home-all-day occupancy pattern, the system significantly increases energy independence and reduces grid reliance.

Three roof orientations were used to optimise year-round performance. The Fox ESS EP11 battery enables high self-consumption, and the integrated Ohme charger supports smart EV charging for maximum savings.

Technical Information:

Solar Panel Model:AIKO Neostar 2S A440-MAH54Mb
Number of Panels:10
Inverter:Fox ESS H1-3.7-E-G2
Battery Storage:Fox ESS EP11 (10.36kWh / 9.32kWh usable)
EV Charger:Ohme Home Pro (Tethered)
Mounting System:Renusol Roof Mounting Kit
Additional Components:Bird Mesh, Scaffolding, G98 Notification, Labour Warranty, MCS Certificate


Installation Data

Installed Capacity1.76 kWp + 0.44 kWp + 2.2 kWp
Orientation100° / 105° / 80°
Inclination30°
Postcode Region9E
kWh/kWp686 / 670 / 750
Shade Factor1
Total Estimated Annual Output3,150 kWh
Assumed Annual Usage4,000 kWh
PV Self-Consumption (PV Only)1,475 kWh (37%)
Battery Usable Capacity9.32 kWh
Self-Consumption (With Battery)2,711 kWh (70%)


25-Year Financial Summary

Net Present Value (NPV)£16,943.63
Discounted Payback Period10–11 Years
Internal Rate of Return (IRR)12%


Project Gallery:

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2,000+ Solar Installs Completed in the North East.

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We've helped homeowners across the North East cut energy bills and reduce carbon emissions with bespoke domestic solar systems, from family homes to larger residential properties. Alongside this, we've delivered projects for schools like Cragside and Dame Dorothy, community hubs such as Kibblesworth Millennium Centre and Alnwick Community Centre, local cafes, churches, and even national brands like Burger King. With major installs for organisations including Darlington College, Phillips Pet Supplies, and Collingwood Healthcare Services, our portfolio shows proven expertise across both domestic and commercial solar - providing tailored installations that deliver long-term savings and sustainability.

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