EV Charging Load Balancing: The Key to Scalable Infrastructure
The biggest barrier to installing EV chargers isn’t the price of the hardware - it’s the capacity of the grid. Most buildings simply weren’t designed to fuel dozens of cars simultaneously.
This is where Load Balancing changes the game. It allows you to install more chargers than your main fuse theoretically supports, distributing available power intelligently to ensure safety and efficiency.
Static vs. Dynamic Load Balancing: What’s the Difference?
1. Static Load Balancing
Imagine splitting a pizza into equal slices. You have a fixed amount of power (say, 100 Amps) dedicated to your chargers. The software splits this power evenly among all plugged-in cars.
- Pros: Simple to set up.
- Cons: Inefficient. If the building is empty and using zero power, the chargers are still limited to that strict 100A cap.
2. Dynamic Load Balancing (DLB)
This is the "Smart" approach. The software monitors the total building consumption in real-time.
- How it works: If the building’s AC turns off at night, the software instantly sees that "freed up" power and sends it to the EV chargers. When the building wakes up in the morning and elevators start running, the software throttles the chargers back down.
- The Result: You can charge faster and support more vehicles without ever blowing the main fuse.
Why SolarEdge ONE for EV Wins at Load Management
Many platforms offer basic load balancing, but SolarEdge ONE for EV takes it a step further with Predictive Optimization.
Powered by our proprietary AI, the system doesn’t just react to real-time loads; it anticipates them. It analyzes historical usage patterns, solar production forecasts, and grid pricing to make split-second decisions.
- For Fleets: Ensures vehicles are charged by departure time using the cheapest possible energy.
- For Apartments (MDUs): Ensures fairness so that one tenant doesn’t hog all the power.
The ROI of Intelligence
Without load balancing, expanding your charging setup requires digging up the street to upgrade your grid connection - a cost that can run into the six figures. With smart load balancing, you can bypass those upgrades entirely.
Maximize your power capacity.
Learn more about SolarEdge ONE for EV and see how
intelligent load management can
save your site thousands in infrastructure costs.
Maximize your power capacity.
Learn more about SolarEdge ONE for EV and see how
intelligent load management can
save your site thousands in infrastructure costs.
