Main Plant Electrical Package for Kudankulam Nuclear Power Plant Units 5 & 6

Works
Energy Oil and Gas
+ 2
Electrical Works
Electrical Goods and Equipments
  • Opening DateOct 06, 2026
  • Closing DateOct 22, 2026Extended · was 18 Aug 2026
  • Tender Amount Refer Document

Tender Overview

Tender Title Main Plant Electrical Package for Kudankulam Nuclear Power Plant Units 5 & 6
Tender ID2026_NPCIL_269561_1Tender Reference NumberCMM/MEQ/91-21-2-1219
Tender TypeOpen Tender
Tender Opening Date2026-10-06 11:00 AMExtended · originally 30 Jul 2026, 11:00 AMTender Closing Date2026-10-22 11:00 AMExtended · originally 18 Aug 2026, 11:00 AM
Tender Value Refer Document Tender LocationKknpp 5 And 6 , Tirunelveli , Tamil Nadu
Tender CategoryWorksProduct CategoryEnergy Oil and Gas Tenders, Electrical Works Tenders, Electrical Goods and Equipments Tenders
Tender Overview
  • Tender TitleMain Plant Electrical Package for Kudankulam Nuclear Power Plant Units 5 & 6
  • Tender ID2026_NPCIL_269561_1
  • Tender Reference NumberCMM/MEQ/91-21-2-1219
  • Tender TypeOpen Tender
  • Tender Opening Date2026-10-06 11:00 AMExtended · originally 30 Jul 2026, 11:00 AM
  • Tender Closing Date2026-10-22 11:00 AMExtended · originally 18 Aug 2026, 11:00 AM
  • Tender Value Refer Document
  • Tender LocationKknpp 5 And 6,Tirunelveli, Tamil Nadu
  • Tender CategoryWorks
  • Product CategoryEnergy Oil and Gas Tenders, Electrical Works Tenders, Electrical Goods and Equipments Tenders

Important Dates

ePublished Date 2026-03-06 11:00 AM Bid Opening Date2026-10-23 11:30 AMExtended · originally 19 Aug 2026, 11:30 AM
Document Download Start Date2026-03-06 11:30 AMDocument Download End Date2026-10-22 11:00 AMExtended · originally 18 Aug 2026, 11:00 AM
Bid Submission Start Date2026-10-06 11:00 AMExtended · originally 30 Jul 2026, 11:00 AMBid Submission End Date2026-10-22 11:00 AMExtended · originally 18 Aug 2026, 11:00 AM
Clarification start DateClarification End Date
Bid Validity Period (in Days)120
Important Dates
  • ePublished Date 2026-03-06 11:00 AM
  • Bid Opening Date2026-10-23 11:30 AMExtended · originally 19 Aug 2026, 11:30 AM
  • Document Download Start Date2026-03-06 11:30 AM
  • Document Download End Date2026-10-22 11:00 AMExtended · originally 18 Aug 2026, 11:00 AM
  • Clarification End Date
  • Clarification End Date
  • Bid Submission Start Date2026-10-06 11:00 AMExtended · originally 30 Jul 2026, 11:00 AM
  • Bid Validity Period (in Days)120

Corrigenda

Corrigendum41 updatesLatest on 23 Sep 2026 Submission Ends: 18 Aug 202622 Oct 2026
Date changes overall
  • Download Ends18 Aug 202622 Oct 2026
  • Submission Starts30 Jul 20266 Oct 2026
  • Submission Ends18 Aug 202622 Oct 2026
  • Bid Opening19 Aug 202623 Oct 2026
  1. Pre-Bid Clarification Response_10Other #3023 Sep 2026
    PDFPre_Bid_Clarifications_Response_10.pdf206 KB
  2. Pre-Bid Clarification Response_9_Annexure_2_part_2Other #2916 Sep 2026
    RARAnnexure_2_part_2_of_2FINAL_REPORT_3853_VOLUME_II_PART_A_part2.rar14.2 MB
  3. Pre-Bid Clarification Response_9_Annexure_2_part_1Other #2816 Sep 2026
    RARAnnexure_2_part_1_of_2_FINAL_REPORT_3853_VOLUME_II_PART_A_part1.rar20.0 MB
  4. Pre-Bid Clarification Response 9Other #2716 Sep 2026
    4 filesextracted from Pre_bid_response_9.rar
    Pre_bid_response_9
    • PDFAnnexure_1_Sketches_related_to_NPCIL_Pre_Bid_response_number_893.pdf1.9 MB
    • PDFPrebidclarificationResponse9.pdf1.3 MB
    • PDFPre_Bid_response_8_.pdf5.7 MB
    • PDFRevised_Annexure_IV_of_Appendix_X_QR (2).pdf492 KB
  5. Corrigendum_XIIITerms and Conditions #13 Sep 2026
    Change in terms and conditions
    PDFCorrigendum_XIII.pdf299 KB
  6. Corrigendum_XII_Due_Date_ExtDate Change #73 Sep 2026
    Extension of key dates
    • Download Ends22 Sep 202622 Oct 2026
    • Submission Starts3 Sep 20266 Oct 2026
    • Submission Ends22 Sep 202622 Oct 2026
    • Bid Opening23 Sep 202623 Oct 2026
    PDFCorrigendum_XII.pdf298 KB
  7. Corrigendum_XIBOQ #218 Aug 2026
    Revised bill of quantities
    2 files
    • PDFCorrigendum_XI.pdf751 KB
    • XLSBOQ_314029.xls443 KB
  8. Due Date Extension_Corrigendum_XDate Change #614 Aug 2026
    Extension of key dates
    • Download Ends2 Sep 202622 Sep 2026
    • Submission Starts18 Aug 20263 Sep 2026
    • Submission Ends2 Sep 202622 Sep 2026
    • Bid Opening3 Sep 202623 Sep 2026
    PDFCorrigendum_X.pdf250 KB
  9. Revised_BOQBOQ #112 Aug 2026
    Revised bill of quantities
    2 files
    • PDFCorrigendum_IX.pdf2.1 MB
    • XLSBOQ_314029.xls360 KB
  10. Corrigendum_IXOther #2612 Aug 2026
    PDFCorrigendum_IX.pdf2.1 MB
  11. Annexure_2_Part_2_of Pre_Bid_Response_8Other #2531 Jul 2026
    RARAnnexure_2_part_2_of_2.rar14.2 MB
  12. Annexure_2_Part_1_ of Pre_Bid_Response_8Other #2431 Jul 2026
    RARAnnexure_2_part_1_of_2.rar20.0 MB
  13. Annexure_1 of Pre_Bid_Response_8Other #2331 Jul 2026
    4 filesextracted from Annexure_1.rar
    Annexure_1
    • PDFAll schemes_with prebid_L&T set-9.pdf8.2 MB
    • PDFFEEDER~1.PDF2.6 MB
    • PDFPDB SCHEMES FOR FMDBs.pdf3.5 MB
    • PDFPDB SCHEMES_final sent to tender.pdf4.2 MB
  14. Pre-Bid Clarification Response_8Other #2231 Jul 2026
    PDFPre_Bid_Response_8.pdf5.6 MB
  15. Due Date Extension_ VIIIDate Change #529 Jul 2026
    Extension of key dates
    • Download Ends18 Aug 20262 Sep 2026
    • Submission Starts30 Jul 202618 Aug 2026
    • Submission Ends18 Aug 20262 Sep 2026
    • Bid Opening19 Aug 20263 Sep 2026
    PDFCorrigendum_VIII.pdf312 KB
  16. Pre-Bid Clarifications Response-7Other #2120 Jul 2026
    PDFPre_Bid_Clarifications_Response_7.pdf477 KB
  17. Pre-Bid Clarification Response _6Other #2014 Jul 2026
    PDFPre_Bid_Clarifications_Response_6.pdf467 KB
  18. Corrigendum_VIII_Due Date ExtensionDate Change #414 Jul 2026
    Extension of key dates
    • Download Ends29 Jul 202618 Aug 2026
    • Submission Starts15 Jul 202630 Jul 2026
    • Submission Ends29 Jul 202618 Aug 2026
    • Bid Opening30 Jul 202619 Aug 2026
    PDFCorrigendum_VII.pdf288 KB
  19. Pre-Bid Clarification Response 5Other #1910 Jul 2026
    76 filesextracted from Pre-Bid_Clarifications_Response_5.rar
    Pre-Bid_Clarifications_Response_5
    • PDFADDITIONAL CLARIFICATION_Annexure-A_set-6_Query No. 102.pdf810 KB
    • XLSXAmpacity requirements.xlsx14 KB
    Pre-Bid_Clarifications_Response_5/Contour level KKNPP
    • TIFCONTOUR & SPOT LEVELS PLA_Sheet1.tif2.9 MB
    • TIFSPOT LEVEL & CONTOUR @ 20_SHEET9.tif209 KB
    • TIFSPOT LEVEL & CONTOUR @ 20_SHEET8.tif237 KB
    • TIFSPOT LEVEL & CONTOUR @ 20_SHEET7.tif222 KB
  20. Corrigendum-VI Revised Appendix -XTechnical Bid #119 Jun 2026
    Modification in tender documents
    PDFRevisedAppexdix_X.pdf8.3 MB
  21. Due Date Extension IIIDate Change #312 Jun 2026
    Extension of key dates
    • Download Ends29 Jun 202629 Jul 2026
    • Submission Starts15 Jun 202615 Jul 2026
    • Submission Ends29 Jun 202629 Jul 2026
    • Bid Opening30 Jun 202630 Jul 2026
    PDFCorrigendum_V.pdf299 KB
  22. Pre-Bid Clarification Response_4Other #1811 Jun 2026
    PDFPre_Bid Clarifications_ Response_4.pdf188 KB
  23. Revised Section EOther #175 Jun 2026
    13 filesextracted from Revised_Section_E.rar
    Section_E/Section_E
    • PDF5.1 Section_E_Separator.pdf16 KB
    • PDF5.2 Tender Form II.pdf9 KB
    • PDF5.3 1219_Section E_MPE KKNPP 56_Notes to Bidders and Evaluation Criteria- - 09.10.pdf58 KB
    • PDFCorrigendum_IV.pdf81 KB
    Section_E/Section_E/Section-E_Price Schedules
    • XLSX5.10 G_Misc.Desg. Deta.xlsx43 KB
    • XLSX5.11 H_Transformer Loding Penalty.xlsx34 KB
  24. Pre-Bid Clarification Response_3Other #162 Jun 2026
    3 filesextracted from Pre_BidClarifications_Response_3_and_Attachments.rar
    • PDF60UBF_Unit_Auxiliary_Tra_KK56_R_H_C_004088.PDF1.8 MB
    • PDFPre_Bid_Clarifications_Response_3.pdf1.1 MB
    • PDF50UBF_Unit_Auxiliary_Tra_KK56_R_H_C_002910.pdf1.9 MB
  25. Annexure_6_of_6_ Grounding_ Lighting_ LayoutOther #1522 May 2026
    7 filesextracted from Part_6_of_6_Grounding_Lighting_Layout.rar
    Part_6_of_6_Grounding_Lighting_Layout
    • PDFI02.KK56.0UAB.0.ET.OK.WD001_R0_Sheet_1.pdf4.3 MB
    • PDFI02.KK56.0UAB.0.ET.OK.WD001_R0_Sheet_2.pdf4.3 MB
    • PDFI02.KK56.0UAB.0.ET.OK.WD001_R0_Sheet_3.pdf4.7 MB
    • PDFI02.KK56.0UAB.0.ET.OK.WD001_R0_Sheet_4.pdf3.9 MB
    • PDFI02.KK56.0UAB.0.ET.OK.WD001_R0_Sheet_5.pdf4.4 MB
    • PDFI02.KK56.0UAB.0.ET.OK.WD001_R0_Sheet_6.pdf4.1 MB
  26. Part_5_of_6_ Application_ Drawings_LT_Query_no18_set_2Other #1422 May 2026
    PDFPart_5_of_6_Application_Drawings_LT_Query_no18_set_2.pdf136 KB
  27. Annexure_4_of_6_Equipment Strcutre Earthing details KK56Other #1322 May 2026
    PDFPart_4_of_6_Equipment_Strcutre_Earthing_details_KK56.pdf3.1 MB
  28. Annexure_3g_of_6_Geo Technical Investigation_report part7Other #1222 May 2026
    RARPart_3g_of_6_Geo_Technical_Investigation_report_part7.rar11.1 MB
  29. Annexure_3f_of_6_Geo Technical Investigation_report part6Other #1122 May 2026
    RARPart_3f_of_6_Geo_Technical_Investigation_report_part6.rar30.0 MB
  30. Annexure_3e_of_6_Geo Technical Investigation_report part5Other #1022 May 2026
    RARPart_3e_of_6_Geo_Technical_Investigation_report_part5.rar30.0 MB
  31. Annexure_3d_of_6_Geo Technical Investigation_report part4Other #922 May 2026
    RARPart_3d_of_6_Geo_Technical_Investigation_report_part4.rar30.0 MB
  32. Annexure_3c_of_6__ Geo_ Technical_ Investigation_report_ part3Other #822 May 2026
    RARPart_3c_of_6__Geo_Technical_Investigation_report_part3.rar30.0 MB
  33. Annexure_3b_of_ 6_ Geo_Technical_ Investigation_ report_part2Other #722 May 2026
    RARPart_3b_of_6_Geo_Technical_Investigation_report_part2.rar30.0 MB
  34. Annexure_3a_of_6_ Geo_Technical_ Investigation_report _part1Other #622 May 2026
    RARPart_3a_of_6_Geo_Technical_Investigation_report_part1.rar30.0 MB
  35. Annexure_2_of_6_Switchyard_ Central_Control_Building_ Archetectural_PlansOther #522 May 2026
    2 filesextracted from Part_2_of_6_Switchyard_Central_Control_Building_Archetectural_Plans_.rar
    • PDFPart_2a_of_6_Switchyard_Central_Control_Building_Archetectural_Plans_Sheet1of2_R0.pdf2.6 MB
    • PDFPart_2b_of_6_Switchyard_Central_Control_Building_Archetectural_Plans_Sheet2of2_R0.pdf2.5 MB
  36. Annexure_1_of_6_230kV_Earthing LayoutOther #422 May 2026
    7 filesextracted from Part_1_of_6_230kV_GIS_Earthing_Layout.rar
    • PDFI02.KK56.0UAD.0.ET.OK.WD001(sheet 3 of 7)_R0.pdf2.2 MB
    • PDFI02.KK56.0UAD.0.ET.OK.WD001(sheet 4 of 7)_R0.pdf3.1 MB
    • PDFI02.KK56.0UAD.0.ET.OK.WD001(sheet 5 of 7)_R0.pdf3.5 MB
    • PDFI02.KK56.0UAD.0.ET.OK.WD001(sheet 6 of 7)_R0.pdf3.1 MB
    • PDFI02.KK56.0UAD.0.ET.OK.WD001(sheet 7 of 7)_R0.pdf3.1 MB
    • PDFI02.KK56.0UAD.0.ET.OK.WD001(sheet 1 of 7)_R0.pdf6.1 MB
  37. Pre-Bid Clarification Response_2Other #322 May 2026
    PDFPre-Bid Clarification_Response_2.pdf6.2 MB
  38. Bid Due Date Extension IIDate Change #213 May 2026
    Extension of key dates
    • Download Ends28 May 202629 Jun 2026
    • Submission Starts14 May 202615 Jun 2026
    • Submission Ends28 May 202629 Jun 2026
    • Bid Opening29 May 202630 Jun 2026
    PDFCorrigendum_III.pdf312 KB
  39. Pre-Bid Clarification Response 1Other #224 Apr 2026
    PDFPre_BidClarificationsResponse_1R.pdf8.8 MB
  40. Corrigendum-II -Change in Technical Specifications under Section-COther #117 Apr 2026
    PDFCorrigendum_II.pdf1.4 MB
  41. Bid Due Date ExtensionDate Change #115 Apr 2026
    Extension of key dates
    • Download Ends18 Aug 202628 May 2026
    • Submission Starts30 Jul 202614 May 2026
    • Submission Ends18 Aug 202628 May 2026
    • Bid Opening19 Aug 202629 May 2026
    PDFCorrigendum_I.pdf250 KB

Cost Specification

Tender Fee Refer document
EMD (Earnest Money Deposit) ₹ 3,00,00,000
EMD Fee Type Fixed
Payment Instruments/Mode Online

Tender Description

Work Description - Main Plant Electrical Package For Kknpp Unit 5 And 6

The Nuclear Power Corporation Of India Limited (NPCIL), a Public Sector Undertaking, through its Tender Inviting Authority, AD CMM, located at NABHIKIYA URJA BHAVAN NPCIL ANUSHAKTINAGAR MUMBAI -400094, invites eligible bidders for an Open Tender (Reference Number: CMM/MEQ/91-21-2-1219, Tender ID: 2026_NPCIL_269561_1) for the "Main Plant Electrical Package for KKNPP Unit 5 and 6". This critical Works tender, categorized under Power/Energy Projects/Products, will be executed under an EPC Contract with an estimated Period of Work of 1800 days at the KKNPP 5 and 6 location. The tender was ePublished on 06-Mar-2026 at 11:00 AM, with document downloads commencing from 06-Mar-2026 at 11:30 AM and concluding on 18-Aug-2026 at 11:00 AM. A mandatory pre-bid meeting is scheduled for 26-Mar-2026 at 02:30 PM at NABHIKIYA URJA BHAVAN NPCIL ANUSHAKTINAGAR MUMBAI. Bid submission will open on 30-Jul-2026 at 11:00 AM and close on 18-Aug-2026 at 11:00 AM, with the bids scheduled for opening on 19-Aug-2026 at 11:30 AM in Mumbai. Bidders are required to submit an Earnest Money Deposit (EMD) of ₹3,00,00,000, and EMD exemption is not allowed. There is no Tender Fee for this procurement. Bids will be evaluated under a single-stage process with two covers (Fee/PreQual/Technical and Finance) and must maintain a validity of 120 days. Independent External Monitors, Shri T Jacob and Shri Prakash Chandra, have been appointed for this tender process.

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Tender Contact Details

Office Inviting Bids Ad Cmm
AddressNabhikiya Urja Bhavan Npcil Anushaktinagar Mumbai -400094
Contact Details NA
Email NA
Website NA

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