Southern Railway Tender for 29 MW Land-Based Solar Projects in Tamil Nadu

Southern Railway, under the Ministry of Railways, has issued Tender Reference Number E28III-SOLAR-LAND-RESCO-3 for the development of land-based solar photovoltaic (PV) projects with a cumulative capacity of 29 MW in the state of Tamil Nadu. The projects are to be implemented under the Developer/RESCO (Renewable Energy Service Company) mode, where the successful bidders will be responsible for the long-term installation and operation of the facilities.

Technical and Logistical Specifications

The following data points define the technical and logistical scope of the procurement as per the tender and REMCL documentation:

• Total Capacity: 29 MW.
• Project Count: Three (3) land-based solar PV projects.
• Implementation Model: Developer / RESCO mode.
• Key Locations: Designated sites across Tamil Nadu, specifically including the Jolaroettai Bulb Line (Chennai Division), Karuvalli (Salem), and the Rifle Range near Arakkonam (Chennai Division).
• Operation & Maintenance (O&M): The scope includes a mandatory O&M period of ten (10) years from the date of successful trial run completion.
• Power Evacuation: Bidders are responsible for the evacuation of power to ISTS/InSTS/DISCOM substations at appropriate voltage levels as defined in the technical annexures.
• Key Authorities: The procurement is managed by Southern Railway in coordination with the Railway Energy Management Company Limited (REMCL), a Joint Venture of Indian Railways and RITES Ltd.

Financial Requirements

Mandatory financial costs for participating bidders are detailed below. While an Earnest Money Deposit is specific to this package, the Bid Security follows general REMCL terms.

Tender Timeline and Submission

The bidding process is scheduled according to the following timeline and administrative details:

• Tender Reference Number: E28III-SOLAR-LAND-RESCO-3
• ePublished / Start Date: May 09, 2026, at 08:30 AM
• Bid Submission Start Date: May 09, 2026, at 02:00 PM
• Bid Submission Closing Date: June 23, 2026, at 09:30 AM (03:00 PM per Tender Description)
• Bid Opening Date: June 23, 2026, at 03:00 PM
• TENDER PORTAL: https://sr.indianrailways.gov.in
• Issuing Office: SR HQ-ELECTRICAL/SOUTHERN RLY, Office of the Principal Chief Electrical Engineer, Southern Railway, Parktown, Chennai.

Submission Instructions for Bidders

Bids must be submitted online via the official e-tender portal (etenders.gov.in/eprocure/app). In addition to the electronic submission, bidders are required to provide the Integrity Pact and Power of Attorney in an offline format at the specified Southern Railway office before the bid submission deadline. Interested parties must consult the full bidding document for comprehensive qualifying requirements, technical specifications, and general terms and conditions.