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Mrs Machet – Solar Installation (2025)

8.28kW AIKO Solar System with Fox ESS 12.44kWh Battery Storage

Sustainable Energy Engineering Ltd installed a high-performance 8.28kW solar PV system paired with the latest Fox ESS ECS4300H-H3 12.44kWh battery for Mrs Machet in Tyne & Wear. This system was designed to provide strong year-round energy performance, significant bill reductions, and long-term energy independence.

The installation uses premium AIKO Neostar 460W panels, delivering excellent efficiency even in low-light UK conditions, alongside a Fox ESS KH8 inverter for maximum system optimisation.

Technical Information:

Solar Panel Brand & Model:AIKO Neostar 2S 460W AIKO-A460-MAH54Mb
Number of Panels:18
Inverter:Fox ESS KH8 (8kW)
Battery Storage:FoxESS ECS4300H-H3 (12.44kWh / 11.2kWh usable)
Mounting System:Valk Mounting System + Renusol Kit
Additional Components:Bird Mesh, AC Isolators, Heat Defender, Cable Trenches, External DB


Installation Data

Installed Capacity8.28 kWp (split arrays)
Array Orientations80°, 100°, 5°, 95°
Inclination10°, 10°, 30°, 30°
Estimated Annual Output6,390 kWh
Annual Electricity Use (Assumed)6,500 kWh
Self-Consumption (PV Only)2,409 kWh
Self-Sufficiency (PV Only)37%
Self-Sufficiency (PV + Battery)71%


25-Year Financial Summary

Net Present Value (NPV)£35,694.10
Discounted Payback Period7–8 Years
Internal Rate of Return (IRR)16.4%


Financial Analysis

Your historical electricity usage was used to size this solar and battery system. Below is an outline of how solar impacts long-term bill costs over a 25-year period, including projected annual savings and bill reductions.

Annual Electricity Bill Over Time

Grey line: Electricity bill without solar
Green line: Electricity bill with solar

Electricity Bill with Solar

Monthly Electricity Bill Comparison

This compares monthly electricity costs before and after solar installation.

Electricity Bill with Solar - Month by Month


Project Gallery:

Cut Your Energy Bills - Start Today.

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

CALL 0191 340 7001


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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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To design and size your solar and/or battery system correctly, we need to know your annual kWh usage. This allows us to create a system that accurately matches your energy needs - reducing the electricity you buy from the grid, lowering your carbon footprint, and protecting you from rising energy costs so you save as much money as possible.

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