[Establishment of Keezhakuppam 230/110kV AIS SS ] open

TNEB Limited

Ref: T-2366 · ID: 2026_EB_661782_1

Category Electrical Works

AI summary

This tender provides details about the project including scope of work, estimated value, deadlines, and eligibility requirements.

Overview

This tender, issued by TNEB Limited, is for the establishment of the Keezhakuppam 230/110kV AIS Substation. It is an open tender with a turn-key contract type, aimed at contractors specializing in electrical works.

Scope / Work

The primary work involves the establishment of the Keezhakuppam 230/110kV AIS Substation. Interested bidders should refer to the tender documents for detailed specifications and pre-qualification requirements. A pre-bid meeting is scheduled for March 3, 2026, at the Chief Engineer/Transmission office in Chennai, which is an important opportunity for bidders to clarify any doubts regarding the project.

Fees & EMD

  • Tender Fee: There is no tender fee associated with this bid.
  • EMD (Earnest Money Deposit): The EMD is set at ₹8,500,000. Exemption for EMD is allowed under certain conditions, so bidders should check their eligibility for exemptions.

Key dates

  • Publish Date: February 19, 2026
  • Document Download Start Date: February 19, 2026
  • Document Download End Date: April 16, 2026
  • Clarification Period: February 21, 2026, to March 9, 2026
  • Bid Submission Start Date: March 20, 2026
  • Bid Submission End Date: April 16, 2026
  • Bid Opening Date: April 17, 2026

Bidders should ensure timely submission of all required documents and adherence to the specified timelines to avoid disqualification.

AI insights

Risk factors

  • High EMD requirement
  • 180 days bid validity
  • Tight submission timelines
  • No tender fee

Financials

Tender value Undisclosed
EMD amount ₹85,00,000 — payable to Nil at Nil
Tender fee ₹0.00 — payable to Nil at Nil

Payment mode Online

Timeline

Publish date 19-Feb-2026 06:50 PM
Bid end 16-Apr-2026 03:00 PM
Opening date 17-Apr-2026 12:30 PM

Documents available from 19-Feb-2026 06:50 PM to 16-Apr-2026 03:00 PM. Clarification window: 21-Feb-2026 11:00 AM to 09-Mar-2026 05:00 PM.

Tender Documents

How tender documents work

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Name Size Type Action
230KVControlRoomPlan.pdf 5.53 MB PDF
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BOQ_794354.xls 765.5 KB XLS
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Layout.pdf 423.37 KB PDF
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SLD.pdf 373.95 KB PDF
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TechnoCommercialSpecification2366.pdf 7.63 MB PDF
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Corrigendum1.pdf 380.02 KB PDF
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BOQ_794354.xls.pdf 380.02 KB PDF
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T2366Corrigendum8.pdf 203.47 KB PDF
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Corrigendum6.pdf 203.11 KB PDF
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Corrigendum3.pdf 202.62 KB PDF
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Corrigendum_2.pdf 204.38 KB PDF
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Corrigendum5.pdf 138.18 KB PDF
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PrebidreplyCorrigendum7.pdf 309.72 KB PDF
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T2366Corrigendum4.pdf 1.52 MB PDF
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Corrigenda

Official amendments and notices. PDFs open in the same viewer as tender documents (sign in, verified email, daily limit applies).

Revised BOQ

Type BOQ

Published Corrigendum Details Date : 12-Apr-2026 12:13 AM [Tender information] Organisation Chain : TNEB Limited||TANTRANSCO||CE-Transmission - TANTRANSCO Tender ID : 2026_EB_661782_1 Tender Ref No : T-2366 Tender Title : Establishment of Keezhakuppam 230/110kV AIS SS Corrigendum Type : BOQ [Corrigendum Document and BOQ List]
File Size Type Action
Corrigendum1.pdf 380.02 PDF
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BOQ_794354.xls.pdf 380.02 PDF
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Due date Extension T-2366

Type Date

Published Corrigendum Details Date : 12-Apr-2026 12:14 AM [Tender information] Organisation Chain : TNEB Limited||TANTRANSCO||CE-Transmission - TANTRANSCO Tender ID : 2026_EB_661782_1 Tender Ref No : T-2366 Tender Title : Establishment of Keezhakuppam 230/110kV AIS SS Corrigendum Type : Date [Corrigendum:4] Corrigendum title: Due date Extension T-2366 Description: Due date Extension Published: 08-Apr-2026 04:52 PM Document: T2366Corrigendum8.pdf Size (KB): 203.47 Publish Date: 19-Feb-2026 06:50 PM │ Bid Opening Date: 17-Apr-2026 12:30 PM Document Download/Sale Start Date: 19-Feb-2026 06:50 PM │ Document Download/Sale End Date: 16-Apr-2026 03:00 PM Clarification Start Date: 21-Feb-2026 11:00 AM │ Clarification End Date: 09-Mar-2026 05:00 PM Bid Submission Start Date: 20-Mar-2026 05:00 PM │ Bid Submission End Date: 16-Apr-2026 03:00 PM Pre Bid Meeting Date: 03-Mar-2026 03:00 PM [Critical Dates] [Corrigendum:3] Publish Date: 19-Feb-2026 06:50 PM │ Bid Opening Date: 09-Apr-2026 12:30 PM Document Download/Sale Start Date: 19-Feb-2026 06:50 PM │ Document Download/Sale End Date: 08-Apr-2026 03:00 PM Clarification Start Date: 21-Feb-2026 11:00 AM │ Clarification End Date: 09-Mar-2026 05:00 PM Bid Submission Start Date: 20-Mar-2026 05:00 PM │ Bid Submission End Date: 08-Apr-2026 03:00 PM Pre Bid Meeting Date: 03-Mar-2026 03:00 PM [Critical Dates] [Corrigendum:2] Publish Date: 19-Feb-2026 06:50 PM │ Bid Opening Date: 27-Mar-2026 12:30 PM Document Download/Sale Start Date: 19-Feb-2026 06:50 PM │ Document Download/Sale End Date: 26-Mar-2026 03:00 PM Clarification Start Date: 21-Feb-2026 11:00 AM │ Clarification End Date: 09-Mar-2026 05:00 PM Bid Submission Start Date: 20-Mar-2026 05:00 PM │ Bid Submission End Date: 26-Mar-2026 03:00 PM Pre Bid Meeting Date: 03-Mar-2026 03:00 PM [Critical Dates] [Corrigendum:1] Publish Date: 19-Feb-2026 06:50 PM │ Bid Opening Date: 20-Mar-2026 03:30 PM Document Download/Sale Start Date: 19-Feb-2026 06:50 PM │ Document Download/Sale End Date: 18-Mar-2026 01:00 PM Clarification Start Date: 21-Feb-2026 11:00 AM │ Clarification End Date: 09-Mar-2026 05:00 PM Bid Submission Start Date: 13-Mar-2026 03:00 PM │ Bid Submission End Date: 18-Mar-2026 01:00 PM Pre Bid Meeting Date: 03-Mar-2026 03:00 PM [Critical Dates] [Details Before Corrigendum] [Critical Dates]
File Size Type Action
T2366Corrigendum8.pdf 203.47 PDF
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Corrigendum6.pdf 203.11 PDF
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Corrigendum3.pdf 202.62 PDF
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Corrigendum_2.pdf 204.38 PDF
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Pre-Bid Meeting

Type Other

Published Corrigendum Details Date : 12-Apr-2026 12:14 AM [Tender information] Organisation Chain : TNEB Limited||TANTRANSCO||CE-Transmission - TANTRANSCO Tender ID : 2026_EB_661782_1 Tender Ref No : T-2366 Tender Title : Establishment of Keezhakuppam 230/110kV AIS SS Corrigendum Type : Other [Corrigendum Document Details]
File Size Type Action
Corrigendum5.pdf 138.18 PDF
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Reply to prebid Queries

Type Technical Bid

Published Corrigendum Details Date : 12-Apr-2026 12:14 AM [Tender information] Organisation Chain : TNEB Limited||TANTRANSCO||CE-Transmission - TANTRANSCO Tender ID : 2026_EB_661782_1 Tender Ref No : T-2366 Tender Title : Establishment of Keezhakuppam 230/110kV AIS SS Corrigendum Type : Technical Bid [Corrigendum Document Details]
File Size Type Action
PrebidreplyCorrigendum7.pdf 309.72 PDF
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T2366Corrigendum4.pdf 1555.34 PDF
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Work details

Location, category, and schedule for this procurement.

Location Keezhakuppam
Category Electrical Works
Bid validity 180 days

Tender basics

Tender type Open Tender
Form of contract Turn-key
Tender category Works
No. of covers 2
Organisation chain TNEB Limited||TANTRANSCO||CE-Transmission - TANTRANSCO
Source portal tntenders.gov.in

Authority details

Inviting authority Chief Engineer/ Transmission
Address Chief Engineer/ Transmission V Floor, TANTRANSCO HQ, 144, Anna Salai, Chennai- 600 002.
Payment instruments Online

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