<aside> <img src="/icons/verified_green.svg" alt="/icons/verified_green.svg" width="40px" /> Smart Charging is a broad term but in this article we’ll focus on load balancing. Load balancing is the term for sharing power among charging stations. This is used to save energy, evenly balance load, and protect the grid. There are various load balancing strategies supported by Switch which are outlined in this guide.
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| Type | Supported | Notes |
|---|---|---|
| Static Load Balancing | ✅ | OCPP 1.6 only, 2.0.1 support in Q1 2025 |
| Equal Serve Dynamic Load Balancing | ✅ [Due Q4 2024] | OCPP 1.6 only, 2.0.1 support in Q1 2025 |
| First Come First Serve Dynamic Load Balancing | ✅ [Due Q4 2024] | OCPP 1.6 only, 2.0.1 support in Q1 2025 |
| Dynamic Load Balancing with local meter | ❌ | Implementation requires integration with a local meter provider |
| OCPP 1.6 V2G | ✅ | Supported by custom OCPP 1.6 extension, requires compliant charging station and vehicle |
| OCPP 2.0.1 V2G | ✅ | Supported by custom OCPP 2.0.1 extension, requires compliant charging station and vehicle |
| OCPP 2.1 V2G | ❌ | Due Q1 2025 |
| Dynamic V2G smart charging via Nuvve | ✅ | Undergoing trials in USA, regional availability dependent on Nuvve |
Load balancing groups are groupings of charging stations within a location which share a grid connection and are therefore limited in their total power consumption.
To create a load balancing group head to the location page → Settings → Load Balancing
Here you can view and edit existing groups and create new groups. Creating a group requires setting a limit, a unit, ****and a selection of online charging stations.
As soon as the group is created the limits will be sent out to the charging stations which is why they must be online when the group is created.
Static Load Balancing takes the site limit you supply and splits it evenly between your charging stations, even if no car is currently charging.
Example: