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报告摘要

ASEAN Power Grid Interconnections Project Summary

Core Content

The ASEAN Power Grid (APG) Interconnections Project Profiles document outlines the status and details of 18 prioritised interconnection projects across the ASEAN region, as identified in the ASEAN Interconnection Masterplan Study (AIMS) III. These projects aim to enhance regional power grid interconnectivity, support renewable energy integration, and promote cross-border electricity trade. The document is prepared by the ASEAN Centre for Energy (ACE) in collaboration with the Heads of ASEAN Power Utilities/Authorities (HAPUA) Working Group 2 and endorsed by the 42nd ASEAN Ministers on Energy Meeting (AMEM).

Main Interconnection Projects

1. Peninsular Malaysia – Singapore

Type: Existing & Planned
Implementing Agencies: Tenaga Nasional Berhad (TNB) & Singapore Power
Current Capacity: 525 MW (Existing)
Planned Capacity: 525 MW (Planned)
Total Capacity: 1,050 MW
AIMS III Projection (2040): 1,050 MW
Technical Specifications:
- Connecting Substations: Plentong (MY) – Woodlands (SG)
- Voltage: 230 kV (Existing), 230 kV (Planned)
- Transmission System: HVAC (Existing), HVDC (Planned)
Potential Renewable Sites:
- Kangar, Perlis, Malaysia: 810 MWDC, 1,107.59 GWh/year, 19.50% capacity factor

2. Thailand – Peninsular Malaysia

Type: Existing & Planned
Implementing Agencies: EGAT & TNB
Current Capacity: 380 MW (Existing)
Planned Capacity: 1,600 MW
Total Capacity: 1,043 MW
AIMS III Projection (2040): 1,043 MW
Technical Specifications:
- Connecting Substations: Khlong Ngae (TH) – Gurun (MY)
- Voltage: 300 kV
- Transmission System: HVDC
Potential Renewable Sites:
- Kangar, Perlis, Malaysia: 810 MWDC, 1,107.59 GWh/year, 19.50% capacity factor
- Tambon Tha Chai, Thailand: 1,180 MWDC, 1,713.74 GWh/year, 20.60% capacity factor

3. Peninsular Malaysia – Sarawak

Type: Planned
Implementing Agencies: TNB & Sarawak Energy
Planned Capacity: 1,600 MW
AIMS III Projection (2040): 695 MW
Technical Specifications:
- Connecting Substations: Telok Gong (MY) – Perawang (ID)
- Voltage: 500 kV
- Transmission System: HVDC
Potential Renewable Sites:
- Kangar, Perlis, Malaysia: 810 MWDC, 1,107.59 GWh/year, 19.50% capacity factor
- Lampung, Indonesia: 4,360 MWDC, 5,519.25 GWh/year, 18.00% capacity factor

4. Sarawak – Kalimantan

Type: Existing
Implementing Agencies: Sarawak Energy & PLN
Current Capacity: 230 MW
AIMS III Projection (2040): 830 MW
Technical Specifications:
- Connecting Substations: Mambong (MY) – Bengkayang (ID)
- Voltage: 275 kV
- Transmission System: HVAC
Potential Renewable Sites:
- Sri Aman, Sarawak, Malaysia: 1,150 MWDC, 1,443.55 GWh/year, 18.00% capacity factor
- Kalimantan Tengah, Indonesia: 6,875 MWDC, 8,949.81 GWh/year, 18.70% capacity factor

5. Philippines – Sabah

Type: Planned
Implementing Agencies: SESB & TransCo
Planned Capacity: 196 MW
AIMS III Projection (2040): 196 MW
Technical Specifications:
- Connecting Substations: Kudat (MY) – Palawan (PH)
- Voltage: 275 kV
- Transmission System: HVDC
Potential Renewable Sites:
- Tigbauan, Iloilo, Philippines: 535.3 MW, 1,718.44 GWh/year, 36.6% load factor

6. Sabah – Sarawak

Type: Planned
Implementing Agencies: SEB & SESB
Planned Capacity: 30–50 MW
AIMS III Projection (2040): 177 MW
Technical Specifications:
- Connecting Substations: Lawas (Sarawak) – Mengalong (Sabah)
- Voltage: 275 kV
- Transmission System: HVAC
Potential Renewable Sites:
- Sri Aman, Sarawak, Malaysia: 1,150 MWDC, 1,443.55 GWh/year, 18.00% capacity factor

7. Sarawak – Brunei Darussalam

Type: Planned
Implementing Agencies: SEB & DES
Planned Capacity: TBC
AIMS III Projection (2040): 177 MW
Technical Specifications:
- Connecting Substations: Tudan (Sarawak/MY) – Lumut (BN)
- Voltage: 275 kV
- Transmission System: HVAC
Potential Renewable Sites:
- Sri Aman, Sarawak, Malaysia: 1,150 MWDC, 1,443.55 GWh/year, 18.00% capacity factor

8. Thailand – Lao PDR

Type: Existing & Planned
Implementing Agencies: EGAT & EdL
Existing Capacity: 955 MW
Planned Capacity: TBC
Total Capacity: 955 MW
AIMS III Projection (2040): 700 MW
Technical Specifications:
- Existing Interconnections: 6 projects (e.g., Tha Li - Ken Thao, Nong Khai - Dongphosy, etc.)
- Voltage: 115/230 kV
- Transmission System: HVAC
Planned Interconnection: Mae Chan (TH) – Ton Pheung (LA)

9. Lao PDR – Vietnam

Type: Planned
Implementing Agencies: EdL & EVN
Planned Capacity: TBC
AIMS III Projection (2040): 625 MW
Technical Specifications:
- Connecting Substations: TBC
- Voltage: TBC
- Transmission System: TBC
Potential Renewable Sites:
- TBC

10. Thailand – Myanmar

Type: Planned
Implementing Agencies: EGAT & Myanmar Electricity Authority
Planned Capacity: 365 MW
AIMS III Projection (2040): 1,262 MW
Technical Specifications:
- Connecting Substations: TBC
- Voltage: TBC
- Transmission System: TBC
Potential Renewable Sites:
- TBC

11. Vietnam – Cambodia

Type: Planned
Implementing Agencies: EVN & CEA
Planned Capacity: TBC
AIMS III Projection (2040): 1,353 MW
Technical Specifications:
- Connecting Substations: TBC
- Voltage: TBC
- Transmission System: TBC
Potential Renewable Sites:
- TBC

12. Lao PDR – Cambodia

Type: Planned
Implementing Agencies: EdL & CEA
Planned Capacity: TBC
AIMS III Projection (2040): 625 MW
Technical Specifications:
- Connecting Substations: TBC
- Voltage: TBC
- Transmission System: TBC
Potential Renewable Sites:
- TBC

13. Thailand – Cambodia

Type: Planned
Implementing Agencies: EGAT & CEA
Planned Capacity: 650 MW
AIMS III Projection (2040): 1,315 MW
Technical Specifications:
- Connecting Substations: TBC
- Voltage: TBC
- Transmission System: TBC
Potential Renewable Sites:
- TBC

14. Sabah – Kalimantan

Type: Planned
Implementing Agencies: SESB & PLN
Planned Capacity: TBC
AIMS III Projection (2040): 174 MW
Technical Specifications:
- Connecting Substations: Kudat (MY) – Kalimantan (ID)
- Voltage: TBC
- Transmission System: TBC
Potential Renewable Sites:
- TBC

15. Sumatera – Singapore

Type: Planned
Implementing Agencies: TNB & Singapore Power
Planned Capacity: TBC
AIMS III Projection (2040): 1,133 MW
Technical Specifications:
- Connecting Substations: TBC
- Voltage: TBC
- Transmission System: TBC
Potential Renewable Sites:
- TBC

16. Internal Indonesia (Java – Kalimantan)

Type: Planned
Implementing Agencies: PLN
Planned Capacity: TBC
AIMS III Projection (2040): 435 MW
Technical Specifications:
- Connecting Substations: TBC
- Voltage: TBC
- Transmission System: TBC
Potential Renewable Sites:
- TBC

17. Sumatera – Java

Type: Planned
Implementing Agencies: PLN
Planned Capacity: 2,600 MW
AIMS III Projection (2040): 10,000 MW
Technical Specifications:
- Connecting Substations: TBC
- Voltage: TBC
- Transmission System: TBC
Potential Renewable Sites:
- TBC

Key Benefits of Enhancing Interconnectivity

Renewable Energy Capacity and Share:
- Increased capacity for cross-border renewable energy exchange.
- Identified potential solar and wind sites for integration into the APG.
Socio-Environmental Impact:
- Promotes sustainable development by enabling cleaner energy sources.
- Reduces reliance on fossil fuels and enhances energy security.
Economic Impact:
- Facilitates power trade and reduces electricity costs.
- Supports regional economic growth and energy market integration.

Way Forward

The AIMS III study provides a roadmap for future interconnections.
Feasibility studies are ongoing for several planned projects.
Upgrades and expansions are required for existing interconnections to meet future energy demands.
Continued support from development partners and international organisations is essential for the successful implementation of the APG.

Summary Table

No	Connection	Existing (MW)	Ongoing (MW)	Future (MW)	Total (MW)	AIMS III Projection (2040)
1	Peninsular Malaysia – Singapore	525	525	TBC	1,050	1,050
2	Thailand – Peninsular Malaysia	380	-	TBC	380	1,043
3	Sarawak – Peninsular Malaysia	-	-	1,600	1,600	695
4	Peninsular Malaysia – Sumatera	-	-	600	600	2,130
5	Sarawak – Kalimantan	230	-	-	230	777
6	Philippines – Sabah	-	-	500	500	196
7	Sarawak – Brunei	-	TBC	TBC	TBC	177
8	Sabah – Kalimantan	-	-	TBC	TBC	174
9	Thailand – Lao PDR	955	-	TBC	955	700
10	Lao PDR – Vietnam	-	-	TBC	TBC	625
11	Thailand – Myanmar	-	-	365	365	1,262
12	Vietnam – Cambodia	200	-	TBC	200	1,353
13	Lao PDR – Cambodia	300	-	TBC	300	625
14	Thailand – Cambodia	250	-	650	900	1,315
15	East Sabah – North Kalimantan	-	-	TBC	TBC	174
16	Sumatera – Singapore	-	-	TBC	TBC	1,133
17	Lao PDR – Myanmar	30	-	100–600	130–630	624
18	Internal Indonesia	-	-	-	-	-

| a | Java – Kalimantan | - | - | TBC | TBC | 435 |
| b | Sumatera – Java | - | - | 2,600 | 2,600 | 10,000 |

Disclaimer

The list of interconnection projects is based on country priorities and AIMS III assessments.
The data is subject to updates based on new project nominations or changes in AIMS.
The map is for illustrative purposes only.
Renewable energy sites are identified based on AIMS III Phase 1 and country PDPs.