Bidding Announcements

The GTCC informs you about current bidding announcements in Thailand. If you require specific documents from the associated Government Departments, we would be pleased to provide you with these.

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To cover the expenses for requirement specification, inquiry as well as collection and shipment of the documents, the GTCC charges an individual unique fee.

Current Bidding Announcements

18 February 2025: Invitation to Bid No. TS12-SWG-04 Supply of 115 kV Compact Switchgear Transmission System Expansion Project No. 12

04 February 2025: Invitation to Bid No. VKS1-SWG-01 Supply of 115 kV Compact Switchgear Transmission System for Hydro-Floating Solar Hybrid Project Vajiralongkorn Dam Unit 1

29 January 2025: Invitation to Bid No. TIEC-SC-01 and GBA3-SC-03 Supply of Shunt Capacitor Bank Transmission System Improvement Project in Northeastern, Lower Northern, Central Regions and Bangkok Area to Enhance System Security Bulk Power Supply for the Greater Bangkok and Vicinity Area Phase 3

09 January 2025: Invitation to Bid No. TNRP-L19-OP Supply and Construction for Replacement of Overhead Ground Wire with Composite Overhead Ground Wire with Optical Fiber (OPGW) Telecommunication Network Renovation Project (TNRP) Phase 19

12 November 2024: Invitation to Bid No. RTS3-SC-01 Supply of Shunt Capacitor Bank Tansmission System Expansion and Renovation Project Phase 3

05 November 2024: Invitation to Bid No. TIEC-L-18 Supply and Construction of Transmission Line for Reconductoring of 230 kV Bang Pakong - Khlong Mai [...]

18 September 2024: Invitation to Bid No. TIPE-L-05 Supply and Construction of Transmission Lines 230kV Pluak Daeng - Ban Khai, 230kV Pluak Daeng - Rayong 2, 230kV Ban Khai - Chanthaburi [...]

03 September 2024: Invitation to Bid No. TIPE-L-06 Supply and Construction of Transmission Lines 230kV Rayong 2 - Bang Lamung 2 Junction and 230 kV Ao Pai - Bo Win

22 August 2024: Invitation to Bid No. TS12-SA-06 and TILS-SA-03 and TIEC-SA-03 Supply of Surge Arrester Transmission System Expansion Project No.12, [...]

20 August 2024: Invitation for Bids No. EGAT 7/2566-RPB 1-3 for Rajjaprabha hydro power plant - Renovation Units 1-3

14 August 2024: Invitation to Bid No. EGAT 14/2566-SNR-PV1 Hydro-Floating Solar Hybrid Project Srinagarind Dam Unit 1

08 August 2024: Invitation to Bid No. TS12-MJ1-22 Supply of Instrument Transformer Transmission System Expansion Project No. 12

23 May 2024: Invitation to Bid No. TIEC-L-12 Supply and Construction of Transmission Line for Sectionalizing of 500 kV Sai Noi-Chaeng Watthana to Sam Khok Substation [...]

08 May 2024: Invitation to Bid No. IPPP-L-01 Supply and Construction of Transmission Lines 500kV Burapa Power Generation Power Plant - Phanom Sarakham [...]

25 April 2024: Invitation for Bids No. EGAT 1/2566-HMT-H1 for Huai Mae tho Hydropower Project

Notice to Bidder: To comply with the ENGINEER ACT, B.E. 2542

24 April 2024: Invitation for Bids No, EGAT 2/2566-KRS-H1 for Kraseaw Hydropower Project

Notice to Bidder: To comply with the ENGINEER ACT, B.E. 2542
24 April 2024: Invitation to Bid No. HSIS-S-04(R)-Supply and Construction of 230/115 kV Nakhon Si Thammarat Substation (GIS) and Improvement of 230 kV Khanom, 230 kV Thung Song, 230 kV Phatthalung and 115 kV Chian Yai Substations
3 April 2024: Invitation to Bid No. IPPP-S-01: Supply and Construction of 500 kV Phanom Substation (GIS) and Improvement of 500 KV Pluak Daeng and 500 kV Wang Noi Substations//Transmission System Development for Power Purchase from IPP Power Plants Two-Envelope (Pre-Qualification)
28 March 2024: Invitation to Bid No. TS12-L-22: Supply and Construction of Transmission Line for Sectionalizing of 230 kV Rangsit - Nava Nakhon to Sam Khok Substation
26 March 2024: Invitation to Bid No. TS12-S-26(R): Supply and Construction of 230/115 kV Ban Bueng 2 Substation (GIS) Improvement of 115 kV Ban Bueng Substation and Supply of Control and Protection Equipment for 230 kV Bo Win Substation // Transmission System Expansion Project No. 12 Two-Envelope (Pre-Qualification)
19 March 2024: Invitation to Bid No. TIWS-RX-02 - Supply of 55 Mvar 500 kV Shunt Reactor/Transmission System Improvement Project in Western and Southern Regions to Enhance System Security
4 March 2024: Special Procurement Notice (SPN): Utapao Airport - Procurement of Works
6 February 2024: Request for expressions of interest: Utapao Airport - Consultancy services for the second runway and taxiway
16 January 2024: Invitation to Bid No. TS12-MC1-16 and TIPE-MC1-04 and TIEC-MC1-06: Supply of Miscellaneous Equipment / Transmission System Expansion Project No.12
10 January 2024: Invitation to Bid. No TIPE-MJ1-04 and TS12-MJ1-25 and TIEC-MJ1-05: Supply of Instrument Transformer / Transimission System Improvement Project in Eastern Region to Enhance System Security
9 January 2024: Invitation to Bid No. TS12-MJ2-18 and TIEC-MJ2-04 and TIPE-MJ2-04: Supply of Power Circuit Breaker and/or Disconnecting Switch / Transimission System Expansion Project No. 12
4 January 2024: Invitation to Bid No. TIWS-S-06: Supply and Construction of Static Synchronous Compensator at 230kV Khlong Ngae Substation / Transmission System Improvement Project in Western and Southern Regions to Enhance System Security
19 December 2023: Invitation to Bid No. TS12-S-23(R): Supply and Construction for Expansion of 115kV Sawankhalok, 115 kV Chom Thong and 115 kV Mae Sot Substations / Transmission System Expansion Project No.12
13 December 2023: Invitation to Bid No. TIEC-S-05: Supply and Construction of Static Synchronous Compensator at 230kV Chaiyaphum 2 Substation / Transmission System Improvement Project in Northeastern, Lower Northern, Central Regions and Bangkok Area to Enhance System Security
12 December 2023: Invitation to Bid No. TS12-HSIS-IPPP-TIEC-RTS2-INS(S)-01: Supply of Suspension Insulator / Transmission System Expansion Project No. 12, High Voltage Substation Improvement in the Southern Area for Terrorism and Flood Protection
1 November 2023: Invitation to Bid No. HSIS-S-04: Supply and Construction of 230/115 kV Nakhon Si Thammarat Substation (GIS) and Improvement of 230 kV Khanom, 230 kV Thung Song, 230 kV Phattalung and 115 kV Chian Yai Substations / High Voltage Substation Improvement in the Southern Area for Terrorism and Flood Protection
31 October 2023: Invitation to Bid No. TS12-MJ2-17: Supply of Power Circuit Breaker and/or Disconnecting Switch Transmission System Expansion Project No. 12
25 October 2023: [Revision] Invitation to Bid No. TS12-S-26 Supply and Construction of 230/115 kV Ban Bueng 2 Substation (GIS), Improvement of 115 kV Ban Bueng Substation, and Supply of Control and Protection Equipment for 230 kV Bo Win Substation
18 October 2023: Invitation to Bid No. TS12-MJ1-24 and URS1-MJ1-02: Supply of Instrument Transformer / Transmission System Expansion Project No. 12 / Transmission System for Ubolratana Dam Hydro-Floating Solar Hybrid Pilot Project
4 October 2023: Invitation for Bids No. EGAT 13-2565-MMRP2 for Mae Moh Power Plant Units 8-9 Replacement Project

19 September 2023: Invitation to Bid No. TNRP-L18A-OP: Supply and Construction of Replacement of Overhead Ground Wire with Composite Overhead Ground Wire with Optical Fiber (OPGW) Telecommunication Network Renovation Project (TNRP) Phase 18
15 September 2023: Invitation to Bid No. TS12-S-26 Supply and Construction of 230/115 kV Ban Bueng 2 Substation (GIS), Improvement of 115 kV Ban Bueng Substation, and Supply of Control and Protection Equipment for 230 kV Bo Win Substation

7 September 2023: Invitation to Bid No. TS12-BATT-04 Supply of Stationary Battery Transmission System Expansion Project No. 12

22 August 2023: Invitation to Bid No. TIEC-FRS-04 and GBA3-FRS-05 Supply of Fault Recording System Tranmission System Improvement Project in Northeastern, Lower Northern, Central Regions and Bangkok Area to Enhance System Security Bulk Power Supply for the Greater Bangkok and Vicinity Area Phase 3

9 August 2023: Invitation to Bid No. TIEC-RX-03(R) Supply of 55 MVAr 500 kV Shunt Reactor Transmission System Improvement Project in Northeastern, Lower Northern, Central Regions and Bangkok Area to Enhance System Security

23 June 2023: Invitation to Market Sounding Session for Bang Prong Rest Area Project and Thamnnasat University (Rangsit) Rest Area - Park and Ride Project

Invitation to Bid No. TIWS-RX-04 Supply of 110 MVAr 500 kV Shunt Reactor Transmission System Improvement Project in Western and Southern Regions to Enhance System Security

Invitation to Bid No. RLP1-L-15 Supply and Construction of Transmission Line 230 kV Bang Pakong - Bang Pakong Junction

Invitation to Express the 3rd Opinions, Feedbacks and Comments for Preparing the Draft Invitation to Tender, Request for Proposal and Public - Private Partnership (PPP) Contract for Kathu - Patong Expressway Project, Phuket Province

Invitation to Bid No. TS12-MJ2-19 Supply of Power Circuit Breaker and/or Disconnecting Switch Transmission System Expansion Project No. 12

Invitation to Bild No. TS12-DSS-04 : Supply of Digital Substation Protection and Automation System Tranmission System Expansion Project No.12

Invitation to Bid No. MMR2-MJ1-02 and TIEC-MJ1-04 and TS12-MJ1-21 Supply of Instrument Transformer Transmission System for Mae Moh Power Units 8-9 Replacement Project Tranmission System Improvement Project in Northeastern, Lower Northeastern, Central Regions and Bangkok Area to Enhance System Security Tranmission System Expansion Project No.12

Invitation to Bid No. RTS2-S-23: Supply and Construction of 115 kV Bang Lamung Substation (GIS) Transmission System Expansion and Renovation Project Phase 2 (Pre-Qualification)

Invitation to Bid No. TS12-S-24: Supply and Construction for Expansion of 115kV Nong Bua Rawe (GIS) and 115 kV Sikhiu 2 Substations Transmission System Expansion Project No. 12

Invitation to Bid No. TIWS-L-11(R): Supply and Construction of Transmission Line 500 kV Bang Saphan 2 - Surat Thani 2 (from KM. 155 to Surat Thani 2) & more

Invitation to Bid No. TS12-SC-06: Supply of Shunt Capacitor Bank, Transmission System Expansion Project No. 12

Invitation to Bid No. TIPE-L-04: Supply and Construction of Trasmission Lines 230 kV Bang Lamung 2 Junction & more

Invitation to Bid No. TS12-SC-08: Supply of Shunt Capacitor Bank Transmission System Expansion Project No.12

Invitation to Bid No. TIEC-MJ2-03 and TS12-MJ2-15 and MMR2-MJ2-01

Invitation to Bid No. TS12-TX-05(R): Supply of 333.33 MVA 500 kV Power Transformer Transmission System Expansion Project No. 12

Invitation to Bid No. GBA3-HTLS-01: Supply of Transmission Line High Temperature Low Sag Conductor, Hardware Assembles and Line Accessories, Bulk Power Supply for the Greater Bangkok and Vicinity Area Phase 3

Invitation to Bid No. TS12-L-25: Supply and Construction of Transmission Line 230 kV Khlong Ngae - Satun Transmission System Expansion Project No.12

Invitation to Bid No. TS12-MJ1-20: Supply of Instrument Transformer Transmission System Expansion Project No. 12

Invitation to Bid No. TS12-S-17(R): Supply and Construction of 230/115 kV Ban Bueng 2 Substation (GIS), Improvement of 115kV Ban Bueng Substation and Supply of Control and Protection Equipment for 230 kV Bo Win Substation, Transmission System Expansion Project No. 12

Invitation to Bid No. TIEC-S-04: Supply and Construction for Expansion of 500 kV Tha Tako Substation; Transmission System Improvement Project in Northeastern, Lower Northern, Central Regions and Bangkok Area to Enhance System Security

Invitation to Bid No. TILS-RX-03(R): Supply of 110 MVAr and 55 MVAr 500 kV Shunt Reactors Transmission System Improvement Project in Lower Southern Region to Enhance System Security

Invitation to Bid No.TIPN-TX-02: Supply of 333.33 MVA 500 kV Power Transformer Transmission System Improvement Project in Upper Northern Region to Enhance System Security

Invitation to Bid No. TIEC-RX-03: Supply of 55 MVAR 500 kV Shunt Reactor Transmission System Improvement Project in Northeastern, Lower Northern, Central Regions and Bangkok Area to Enhance System Security

Invitation to Bid No. TS12-MJ2-12: Supply of Power Circuit Breaker and Disconnecting Switch Transmission System Expansion Project No. 12

Invitation to Bid No. TIPN-S-05: Supply and Construction of 500/230 kV Lamphun 3 (GIS) and 500 kV Mae Moh 3 (GIS) Substations Transmission System Improvement Project in Upper Northern Region to Enhance System SecurityTwo-Envelope (Pre-Qualification)

Invitation to Bid No. TIEC-RX-03: Supply of 55 MVAR 500 kV Shunt Reactor Transmission System Improvement Project in Northeastern, Lower Northern, Central Regions and Bangkok Area to Enhance System Security

Invitation to Bid No. TIPE-S-03 and TS12-S-04(R) (Revision 2): Supply and Construction of 500/230/115 kV Bang Lamung 2 Substation (GIS) and Supply of Control and Protection Equipment for 115kV Chom Thien Substation

Invitation to Bid No. TIWS-L-11 (Revision 2): Supply and Construction of Transmission Line 500 kV Bang Saphan 2 - Surat Thani 2 (from KM. 155 to Surat Thani 2)

Invitation to Bid No. TS12-MJ2-11 and THKP-MJ2-01: Supply of Power Circuit Breaker and Disconnecting Switch

Invitation to Bid No. URS1-MJ1-01: Supply of Current Transformer and Voltage Transformer Transmission System for Ubolratana Dam Hydro-Floating Solar Hybrid Pilot Project

Invitation to Bid No. TS12-SWG-01(R): Supply of 33 kV Switchgear Transmission System Expansion Project No. 12

Invitation to Bid No. TIPN-L-03: Supply and Construction of Transmission Line 500 kV Mae Moh 3 - Lamphun 3 (from KM. 76 to Lamphun 3)

Invitation to Bid No. TILS-TX-03(R): Supply of 333.33 MVA 500 kV Power Transformer - Transmission System Improvement Project in Lower Southern Region to Enhance System Security

Invitation to Bid No. TIWS-L-11: Supply and Construction of Transmission Line 500 kV Bang Saphan 2 - Surat Thani 2 (from KM. 155 to Surat Thani 2) / Transmission System Improvement Project in Western and Southern Regions to Enhance System Security

Invitation to Bid No. TS12-MC1-10: Supply of Miscellaneous Equipment Transmission System Expansion Project No. 12

Invitation to Bid No. TIWS-L-04: Supply and Construction of Transmission Line 500 kV Bang Saphan 2 - Surat Thani 2 (from Bang Saphan 2 to KM. 155) / Transmission System Improvement Project in Western and Southern Regions to Enhance System Security

Invitation for Bids No. EGAT 2/2564-SBAP South Bangkok Power Plant (Additional) Project

Notice to Bidder

Invitation to Bid No. TIEC-L-11: Supply and Construction of Transmission Line 500 kV Tha Tako - Sam Khok (from KM. 92 to Sam Khok) / Transmission System Improvement Project in Northeastern, Lower Northern, Central Regions and Bangkok Area to Enhane System Security / Two-Envelope (Pre-Qualification)

Invitation to Bid No. TIPN-INS(L)-01: Supply of Transmission Line Insulator / Transmission System Improvement Project in Upper Northern Region to Enhance System Security

Invitation to Bid No. THKP-HTLS-01: Supply of Transmission Line High Temperature Low Sag Conductor, Hardware Assemblies and Line Assessories / Long-term Transmission System Investment Plan for Hin Kong Power Plant

Invitation to Bid No. TILS-S-02: Supply and Construction of 500/230 kV Songkla 3 Substation (GIS) and Improvement of 230 kV Khlong Ngae Substation

Invitation to Bid No. THKP-INS(L)-01: Supply of Transmission Line Insulator / Long-Term Transmission System Investment Plan for Hin Kong Power Plant

Invitation to Bid No. RTS2-S-10(R): Supply and Construction of 115 kV Khon Kaen 1 Substation (GIS) and Improvement of 115 kV Khon Kaen 2 Substation / Transmission System Expansion and Renovation Project Phase 2 / Fire Protection System Phase 3

Invitation to Bid No. RTS2-S-25: Supply and Construction of 69 kV South Bangkok Substation (GIS) Transmission System Expansion and Renovation Project Phase 2

Invitation to Bid No. TS12-BATT-03: Supply of Stationary Battery Tranmission System Expansion Project No. 12

Invitation to Bid No. THKP-MJ1-01: Supply of Current Transformer and Voltage Transformer, Long-term Transmission System Investment Plan for Hin Kong Power Plant

Invitation to Pre-Qualification Manufacturer for Supply of Equipment EGAT's Hydro Power Plant

Invitation to Bid No. THKP-MJ2-01: Supply of Power Circuit Breaker and Disconnecting Switch Long-Term Transmission System Investment Plan for Hin Kong Power Plant

Invitation to tender the MRT Purple Line Project, Tao Pun - Rat Burana (Kanchanapisek Road) Section

Invitation to Bid No. TNRP-L17-OP: Supply and Construction for Replacement of Overhead Ground Wire with Composite Overhead Ground Wire with Optical Fiber (OPGW) Telecommunication Network Renovation Project (TNRP) Phase 17