- Supplemental Bid Bulletin No. 1 for Distribution Transformers (PB-ITB-R3-1-2025);
- Supplemental Bid Bulletin No. 1 for Steel Poles (PB-ITB-R3-2-2025);
- Supplemental Bid Bulletin No. 1 for Conductors (PB-ITB-R3-3-2025);
- Invitation to Bid for Distribution Transformers (PB-ITB-R3-1-2025);
- Invitation to Bid for Steel Poles (PB-ITB-R3-2-2025);
- Invitation to Bid for Conductors (PB-ITB-R3-3-2025)