Solar Energy Corporation of India Limited

Tender Basic Details

Tender ID SECI000204 Tender Reference No SECI/C&P/IPP/11/0006/25-26 TSC On ETS Portal SECI-2025-TN000012 Tender ID On CPPP 2025_SECI_802375_1 Tender Title RfS for Setting up of 1200 MW ISTS-connected Solar PV Power Projects with 600 MW/3600 MWh ESS in India (SECI-ISTS-XXI) Tender Type On Line with e-Reverse Auction Tender Description Request for Selection of Solar Power Developers for Setting up of 1200 MW ISTS-connected Solar PV Power Projects with 600 MW/3600 MWh Energy Storage Systems (ESS) in India under Tariff-based Competitive Bidding (SECI-ISTS-XXI)

Financial Instruments

Tender Fee/Bid Processing Fee As per RfS document Cost of RFS INR 50,000+GST EMD INR 15,93,000/MW PBG INR 39,82,000/MW Bank Details View Bank Details

Bid Details

Tender Publication Date 19/06/2025 00:00:00 Pre Bid Meeting Date 10/07/2025 00:00:00 Bid Submission End Date (Online) 29/10/2025 18:00:00 Bid Submission End Date (Offline) 31/10/2025 18:00:00 Bid Open Date 03/11/2025 10:00:00

Tender Documents
File	Uploaded On
Amendment-01-SECI-ISTS-XXI-final_upload.pdf	04/10/2025 00:25:43
Clarifications-01-SECI-ISTS-XXI-final_upload.pdf	04/10/2025 00:25:43
Standard_SECI-PSA-Solar_with_ESS-ISTS-XXI-final_upload1.pdf	30/06/2025 15:07:35
Format_for_seeking_clarifications_on_tender11.xlsx	30/06/2025 15:07:34
Integrity_Pact11.pdf	30/06/2025 15:07:34
RfS_for_1200_MW_Solar_with_3600_MWh_ESS_(ISTS-XXI)-final_upload1.pdf	30/06/2025 15:07:34
Standard_SECI_PPA_Solar_with_ESS_ISTS-XXI-final_upload1.pdf	30/06/2025 15:07:34

Tender Related Announcements
S.No.	Title	File	Uploaded On
1	Pre-bid meeting: RfS for Setting up of 1200 MW ISTS-connected Solar PV Power Projects with 600 MW/3600 MWh ESS in India (SECI-ISTS-XXI)	View Document	19/06/2025 18:44:29