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M-STOR: multi-MW battery energy storage systems

Energy storage technology, suitable for commercial and industrial applications, that reduce energy costs, enhance grid stability and unlock revenue potential.

Our M-STOR technology is suitable for a range of applications and adaptable to work behind or in front of the meter. Our latest commercial technology offers storage capabilities of 3.8MWh upwards to 100MWh.

M-STOR: modular, flexible, large-scale energy storage

M-STOR is our latest energy storage technology, combining proven performance with industry-leading sustainability credentials.

  • Flexible power: 1.45MW to 5.8MW
  • Capacity: 3.8MWh to 100MWh
  • Duration: 2.3h min to 11.7h max
  • Scalable: designed around standardised power blocks, which enable multiple configurations designed to suit site requirements
  • Control software: real-time monitoring, AI-based analysis and optimisation.

 

Modular scalability

Custom sizing and configurations to provide flexibility to meet project requirements.

Longer Duration

From a short duration of 2.3 hours up to a maximum system duration of 11.7 hours, suitable for shifting and grid services.

Revenue opportunities

Multiple revenue streams through frequency response, arbitrage, peak shaving, and grid services.

Fully supported solution

End-to-end turnkey solution from initial modelling, site surveys and installation and expert technical support.

Lower capex costs

Reduced up-front capital expenditure with our battery as a service model.

Lower lifetime costs

Over the operational lifespan compared to first-life alternatives when factoring in the battery repowering.

Suitable for a range of applications

Utilities

Seeking greater grid stability, peak demand reduction, and optimised renewable integration.

Ports and maritime

Overcoming capacity constraints while supporting electrification of operations and shore power initiatives.

Energy-intensive manufacturing

Cutting energy costs, solving capacity limitations, and increasing productivity while supporting decarbonisation goals.

Landfill gas & energy-from-waste sites

Utilising existing grid connections, enhancing renewable generation, and extending site lifetime and profitability.

Heavy industry and recycling

Supporting energy intensive processes while maintaining power quality and reducing reliance on fossil fuel backup.

Distribution and logistics

Enhancing renewables, supporting vehicle charging and addressing capacity challenges.

Bus in a cityscape

Revenue generation and financials

Transform energy from expense to asset. Our systems enable participation in multiple grid service markets simultaneously, with even longer storage durations, creating diversified income streams while maintaining your operational needs. Projects can achieve an ROI between 12 – 18% depending on system configuration and market participation strategy.

£100k per MW.

Our customers typically generate additional annual revenue of >£100k per MW of installed capacity through grid services revenues.

Flexible finance models

Capex Purchase

Traditional ownership model with all revenue streams flowing directly to you, maximising long-term returns.

Battery-as-a-Service

Reduce upfront capital expenditure by leasing the batteries through a monthly fee to lower capex costs.

Revenue Share

Partnership model leading to reduced upfront investment with performance-based revenue sharing.

Working with Connected Energy

Connected Energy was established in 2010 with a mission to maximise the sustainability impact of electric vehicle batteries. Our systems are unique in that they use second life batteries from leading automotive manufacturers delivering comparable performance to new battery systems while delivering reliable, high-performance energy storage designed for grid-scale applications.

OEM-backed

Developed with robustly engineered batteries from leading OEMs, guaranteeing the highest quality and safety specifications.

Financial modelling

Validate your investment with Industry-leading analysis modelling that forecasts precise cost savings and revenue potential.

24/7 intelligence

Gain complete visibility with real-time monitoring and actionable reporting that optimises your system’s performance.

Peace-of-mind aftercare

Proactive maintenance and rapid-response service to maximise system uptime and efficiency.

Lower carbon footprint

Exclusively utilising second-life EV batteries to deliver a reduced carbon impact and a full-lifecycle approach through our established recycling partnerships.

Made in the UK and Europe

Locally manufactured to reduce supply chain risks.

Powered by second life batteries

Our M-STOR technology is built using second-life electric vehicle batteries – giving proven automotive technology a new purpose. This approach delivers reliable, cost-effective energy storage while supporting the circular economy and reducing the environmental impact of both the automotive and energy sectors. By repurposing batteries that still have decades of useful life remaining, we’re making energy storage more sustainable and accessible.

Battery energy storage using second life batteries
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