Tata Power Delhi Distribution Limited, TPDDL has awarded its 250 MW firm and dispatchable renewable energy (FDRE) tender to four developers under a build-own-operate (BOO) model. The project integrates energy storage systems (ESS) to ensure round-the-clock clean energy supply.
Launched in April 2025, this tender reflects TPDDL’s commitment to grid stability and sustainable power, with successful bidders entering into 25-year power purchase agreements (PPAs).
| Developer | Capacity (MW) | Tariff (Rs. kWh) |
| Juniper Green Energy | 70 | 4.76 |
| Navayuga Engineering Company | 50 | 4.76 |
| ACME Solar Holdings | 50 | 4.76 |
| Tata Power Renewable Energy Ltd. | 80 | 4.77 |
Juniper Green Energy, Navayuga, and ACME Solar secured contracts at ₹4.76/kWh, the lowest discovered (L1) tariff.
Tata Power RE won the largest share—80 MW—at a slightly higher ₹4.77/kWh.
Context & Market Comparison
Recent tenders show a downward trend in FDRE tariffs:
- NTPC’s 300 MW FDRE tender awarded Hexa Climate at ₹4.69/kWh and ACME Solar at ₹4.70/kWh.
- SJVN’s larger auction (1.2 GW) saw tariffs ranging between ₹4.82–₹4.91/kWh—significantly higher than TPDDL’s results.
Key Details & Implications
- This marks a meaningful step in Delhi’s renewable energy transition, offering dispatchable green power backed by ESS.
- TPDDL’s tender structure includes provisions for bidders from outside Maharashtra to factor in intra-state transmission charges (₹0.11/kWh) and transmission losses (₹0.22/kWh) in bid evaluation.
- TPDDL invites bids under a BOO model, with long-term PPAs of 25 years, ensuring both developer security and energy reliability.
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