Capacity sold. Grid connection: 2030.
Bridge the wait for the grid. Without diesel.
Battery power that runs extra load on the supply you already have, until the new connection arrives.
The problem
The grid can't keep up with demand
Data halls are ready years before the connection is. Every year of waiting is revenue lost.
On-grid Data centres and AI compute halls
The queue
125GW of demand was waiting to connect in Great Britain by June 2025.
The wait
3 to 7 years for a data centre connection, up to a decade in London.
Diesel bridges
Hire and fuel for a 1MVA diesel bridge cost around £400,000 a year.
Revenue on hold
Colocation earns about $2.6m per MW a year, deferred until power.
How it works
Run more on the supply you have
MAX1500 covers the gap between your load and your connection, and protects it at the same time.
Store
Recharge overnight from the supply you already have.
Bridge
Cover the deficit: 760kW above a 500kW supply for 1hr 45min.
Protect
SyncFlow takes over in under 40ms and conditions the supply.
Save £200,000 a year
£800,000 over a four-year wait for a connection, against diesel bridge power
| Diesel bridge power1MVA generator hire and fuel | £400,000 |
| MAX1500Lease and grid electricity | £197,000 |
| Deficit covered each day760kW on a 500kW supply | 1hr 45min |
Assumes a 1.26MW load on an existing 500kW supply. Queue data from Ofgem and NESO; revenue from Avanza Energy (Aug 2026). There is no Allye data centre deployment yet; this is a worked example.
Scale
Grows with your hall
Add units as the hall fills, and mix different models on one site.
off a hooklift truck, then redeployed when the grid arrives.
Why MAX
Made for critical power
Highest power in the range
MAX1500 delivers 1.5MWh and 1.26MW continuous from a single 20ft footprint.
Seamless switchover
SyncFlow transfers the load in under 40ms and conditions supply for the servers.
No pad or crane
Drop and Go from a hooklift truck; no concrete pad, fencing or groundworks.
Software that learns your site
Machine learning predicts load and AI schedules every half hour of charging and discharging.
Lower-carbon hardware
Built in Britain from EV batteries already on our roads: 60% lower embedded CO2 than new cells.
Safe and supported
CE and UKCA marked, every cell monitored 24/7, supported by the UK engineers who built it.
Proven
Already keeping the power on across the UK
Roadchef
Peak support keeps it under its 315A limit: £120k saved in year one
Read the case study →Fleet charging, ScotlandJ&M Murdoch
DC fast charging from a 32A supply, deferring a £300k grid upgrade
Read the case study →Construction, EnglandLower Thames Crossing
Four MAX500s charging excavators off-grid: over £30k a week saved
Read the case study →Recommended
The MAX for this job
FAQ
Questions buyers ask
Can a battery bridge a delayed grid connection?
Yes. In our worked example, a MAX1500 runs a 1.26MW hall from an existing 500kW supply, covering a 760kW deficit for 1 hour 45 minutes a day and recharging overnight.
How does it compare with diesel bridge power?
Modelled at £197,000 a year for a MAX1500 lease and grid electricity, against around £400,000 for a 1MVA diesel bridge: £200,000 a year saved.
What happens when the new connection arrives?
MAX drops off a hooklift truck in under two minutes and is redeployed to the next site.
Start earning before the grid arrives
Tell us your hall's load, your current supply and your connection date. We'll model the bridge.
- A free bridging model for your site
- A comparison against your diesel bridge quote
- The full MAX brochure and specifications
sales@allye.com+44 (0)20 805 06560