Stoke Depot

Solar & Battery

This installation comprises 60kW of solar PV and 130kW of battery storage to provide clean, efficient, and resilient power

9804 KG CO2

SAVED PER ANNUM

£11,364

SAVINGS PER ANNUM

15.3%

RATE OF RETURN

47,352 KWH

OF ELECTRICITY GENERATED PER ANNUM

8 YEAR ROI

Case Study: Powering Efficiency and Sustainability – A Commercial Solar & Battery Installation

Introduction

To reduce operational costs and meet sustainability targets, a leading logistics and warehousing company in Stoke-on-Trent partnered with M J Wallace Limited to deliver a high-efficiency solar PV and battery storage system at its new depot.

With energy prices rising and a strong corporate focus on carbon reduction and energy resilience, our client wanted a future-proof renewable energy solution that would lower reliance on grid electricity and support long-term sustainability goals.

Challenge

The Stoke Depot required a smart energy system that could meet demanding operational needs while aligning with environmental objectives. Key challenges included:

High daytime electricity usage from continuous logistics operations.
Rising energy costs impacting profitability.
Corporate commitments to net zero and sustainable growth.
The need for scalable infrastructure to support future EV charging and site expansion.

Solution

M J Wallace Limited designed and installed a bespoke 60kW solar PV system integrated with 130kW of lithium-ion battery storage, delivering reliable on-site power generation and energy optimisation.

System Highlights

Solar PV Capacity: 60kW roof-mounted array, optimised for maximum year-round output.
Battery Storage: 130kW lithium-ion system for on-site energy retention and overnight use.
Inverter System: Smart hybrid inverters with remote and cloud-based monitoring.
Energy Monitoring: Real-time performance tracking via a user-friendly dashboard.
Grid Integration: Seamless import/export control with DNO approval.
Future-Ready Infrastructure: Designed for battery expansion and EV charger integration.

Our Approach

From initial site assessment to final commissioning, M J Wallace Limited delivered a complete end-to-end service.

Our in-house team managed:

Full project design and DNO coordination
Installation and testing with minimal operational disruption
Post-installation support and system optimisation

By working closely with the depot’s management team, we tailored the system to their energy profile – ensuring maximum self-consumption, improved efficiency, and capacity for future growth.

Benefits

The new solar and battery system provides significant operational and sustainability benefits:

⚡ Energy Independence: A large share of daily electricity needs now met through on-site renewable generation.
💷 Cost Savings: Reduced grid reliance lowers bills and shields the business from energy price volatility.
🌱 Carbon Reduction: Over 9 tonnes of CO₂ saved annually, supporting the company’s net zero roadmap.
🔋 Resilience: Battery storage ensures reliable backup during outages and powers overnight operations.
🧠 Smart Energy Management: Automated load shifting and peak shaving improve system efficiency and ROI.

Results

Since commissioning, the Stoke Depot system has delivered exceptional energy performance and proven environmental impact:

Significant reduction in grid electricity consumption.
Enhanced energy resilience and operational efficiency.
Tangible carbon savings contributing to long-term sustainability goals.
Positive stakeholder engagement and industry recognition for leadership in sustainable logistics infrastructure.