OpenEMS vs Wia
| OpenEMS | Wia | |
|---|---|---|
| Free plan | No | No |
| Free trial | No | No |
| Paid from | — | — |
| Open source | No | No |
| Platforms | Web | api, Web |
| Free plan | Yes | — |
| Energy monitoring | portfolio | portfolio |
| Energy forecasting | Yes | Yes |
| Utility data import | automated | both |
| API access | Yes | Yes |
| Carbon tracking | — | Yes |
Both are listed in Best Energy Management Software. On Freedom251, Wia scores higher on our published basis.