# Features

An overview of the HEMS features and their real state.

| Feature | State |
|---|---|
| [Solar surplus](surplus-solaire.md) | <span class="badge testing">IN PROGRESS</span> |
| [Load shedding / management](delestage.md) | <span class="badge testing">IN PROGRESS</span> |
| [Battery management](gestion-batterie.md) | <span class="badge testing">IN PROGRESS</span> |
| [JSON-RPC API](../integrations/jsonrpc-api.md) / [MQTT](../integrations/mqtt.md) | <span class="badge stable">AVAILABLE</span> |
| Dynamic tariffs — FR: Tempo, off-peak · DE: §14a EnWG, EPEX spot | <span class="badge nightly">ROADMAP</span> |
| CO₂ optimisation — RTE (FR) / SMARD (DE) | <span class="badge nightly">ROADMAP</span> |
| Charge planner | <span class="badge nightly">ROADMAP</span> |
| Heat pump | <span class="badge nightly">ROADMAP</span> |

!!! note
    Features marked *Roadmap* are **not** available yet. They are listed for
    transparency, not as current functionality.