The moment a site has more than a few chargers, a question appears: what happens if everyone plugs in at once? If each charger can pull full power simultaneously, the building’s supply often can’t cope — and the usual “fix,” a grid-connection upgrade, is expensive and slow. Load management is how you avoid it.
What is EV charging load management?
Load management is the coordination of multiple chargers so their combined draw stays within the available electrical capacity. Instead of every charger demanding its maximum independently, the system shares the supply across active sessions.
Static vs. dynamic load management
- Static load management caps the total at a fixed ceiling. Simple, but wasteful — it reserves headroom even when the building is using little power.
- Dynamic load management measures the building’s actual real-time consumption and gives the chargers whatever capacity is left over, moment to moment. It uses the connection far more fully and still never exceeds it.
Dynamic is what lets you add chargers without touching the grid connection.
Why it matters at multi-charger sites
A grid-connection upgrade can cost more than all the chargers combined and take months of utility coordination. Load management sidesteps that: the same supply serves many more chargers by sharing intelligently. It’s one of the biggest line items in cutting EV charging infrastructure costs, and it’s essential in the apartment and multi-tenant buildings where parking is dense and supply is fixed.
Load management that survives an outage
Here’s the catch most systems miss: if load management runs in the cloud, a dropped connection means the coordination stops — and either charging halts or the site risks overload. HeyCharge runs balancing locally between chargers, so it keeps working even with no internet at the site. That’s part of the offline-first SecureCharge platform, and the reason it holds up in underground garages.
FAQ
What’s the difference between static and dynamic load management? Static caps chargers at a fixed limit; dynamic adjusts in real time to the building’s actual spare capacity, using the connection far more efficiently.
Does load management let me avoid a grid upgrade? Usually, yes — sharing capacity across chargers is exactly what removes the need to enlarge the supply.
Does load management still work if the internet is down? With a cloud-only system, no. With local balancing, yes — the chargers coordinate among themselves.
Related guides
- How to cut EV charging infrastructure costs
- EV charging for apartment & multi-tenant buildings
- EV charging without internet: a complete guide
Sizing a site? See how SecureCharge handles load management or talk to our team.