What is the type of licenses required (e.g. generation license, supply license)? ↗ What are the circumstances under which energy is considered "free to grid"? ↗ Are there procedure for selling excess via NEDA, detailed registration and notification requirements? ↗ Please help to provide guidance on approved REC registries, platforms, or any local tracking systems recognized by ST. ↗ Is there any guideline for license application? ↗