Hongsa Power Company

What Hongsa Power Company does

Hongsa Power Company Limited (HPC) is a Thai-Lao joint venture power generation enterprise incorporated in Lao PDR in 2009 as a 40:40:20 partnership between Banpu Power Public Company Limited (BPP), RH International (Singapore) Corporation Pte. Ltd. (a subsidiary of RATCH Group, itself 45%-owned by EGAT), and Lao Holding State Enterprise (LHSE, the Lao state holding entity). The company developed, constructed, and now operates the Hongsa Mine Mouth Power Plant - a 1,878 MW lignite-fired facility with three 626 MW generating units located in Hongsa and Muang Ngeune districts, Xayaboury province, Lao PDR, completed in 2016 and currently the largest power plant in Lao PDR. The plant uses Clean Coal Technology including Flue Gas Desulfurization (92% SO2 removal) and Electrostatic Precipitators (99.83% dust removal), with a 24-hour Continuous Emission Monitoring System and Air Quality Monitoring System.

The company runs an integrated mine-to-grid operation: an adjacent opencast lignite mine with proven reserves of approximately 370-400+ million tonnes (delivering about 14.3-15 million tonnes per year for ~26 years of operations), a 67-km 500 kV double-circuit transmission line to the Thai-Lao border, and a 115-km 115 kV transmission line to the Luang Prabang 2 substation. Fuel is delivered by conveyor from the mine directly to the plant, eliminating transportation costs and supply risk.

HPC's business model is a long-duration B2B infrastructure concession: it sells 1,473 MW of baseload electricity to Thailand's EGAT at the Thai-Lao border and 100-175 MW to Electricité du Laos (EDL) at the Hongsa Town Substation, both under 25-year Power Purchase Agreements signed under a Concession Agreement with the Government of Lao PDR dated 30 November 2009. The total project was financed through a US$3.71 billion limited-recourse debt package from nine Thai commercial banks, with shareholders providing back-end equity. Tariffs are not publicly disclosed but are insulated from world oil and gas price volatility, producing a stable contracted-revenue profile. The company also maintains a Safety, Health, Environment and Social Management System, ISO 14001-aligned environmental management, and a Resettlement and Livelihood Restoration Program covering 422 displaced households.

Name

Hongsa Power Company

Legal name

Hongsa Power Company Limited

Website

https://hongsapower.com

Company type

Private

Founded year

2009

Operating status

Operating

Headcount range

501–1,000 employees

Short description

Hongsa Power Company Limited is a Thai-Lao joint venture operating the 1,878 MW Hongsa Mine Mouth lignite power plant in Lao PDR, selling contracted baseload electricity to EGAT (Thailand) and EDL (Laos) under 25-year power purchase agreements.

Ownership category

akta.pro rank

Product category

Power Generation Services

NAICS

Fossil Fuel Electric Power Generation (221112), Electric Power Generation (22111)

SIC

Bituminous Coal & Lignite Mining (1220), Bituminous Coal & Lignite Surface Mining (1221)

akta.pro primary industry

Lignite/Brown Coal Power Generation (EUACAAAF)

Keywords

• Lignite power generation
• Mine mouth power plant
• Baseload electricity supply
• Transmission infrastructure services
• Clean coal energy

Headquarters

HQ city

Mueang Nan

HQ country

Thailand

HQ region

Asia

Offices3 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Supply Chain, Operations, Personnel, Infrastructure, Technology or R&D, Others

Revenue model

1. Electricity Sales to EGAT: 1,473 MW of electricity sold to the Electricity Generating Authority of Thailand (EGAT) at the Thai-Lao border for a period of 25 years under the EGAT Power Purchase Agreement.
2. Electricity Sales to EDL: 100-175 MW of electricity sold to Electricité du Laos (EDL) under the EDL Power Purchase Agreement, measured at the Hongsa Town Substation.

Pricing tiers

Go-to-market motion1 record

Distribution channels2 records

Marketing channels3 records

Core offering

Hongsa Power Company Limited operates and maintains the Hongsa Mine Mouth Power Plant, a 1,878 MW lignite-fired power generation facility comprising three 626 MW generating units equipped with Flue Gas Desulfurization and Electrostatic Precipitator systems. The company generates and sells electricity under 25-year Power Purchase Agreements to EGAT (1,473 MW) and Electricité du Laos (100-175 MW), supported by an integrated adjacent Hongsa Lignite Mine with 400+ million tonnes of reserves and approximately 183 km of transmission line infrastructure.

Product overview

Hongsa Power Company Limited operates as a Thai-Lao joint venture power generation enterprise managing the Hongsa Mine Mouth Power Plant, a 1,878 MW lignite-fired facility completed in 2016. The integrated operation comprises the power plant itself, the adjacent Hongsa Lignite Mine with over 400 million tonnes of reserves, and approximately 183 km of transmission line infrastructure connecting to both Thailand (500 kV) and Lao (115 kV) grids. Supporting operations include a comprehensive Safety, Health, Environment and Social Management System (SHE-MS) with multiple environmental management plans, plus a Resettlement and Livelihood Restoration Program for affected communities. The company supplies 1,473 MW to Thailand's Electricity Generating Authority (EGAT) and 100-175 MW to Electricité du Laos (EDL) under 25-year power purchase agreements.

Differentiator

Problem solved

Functional benefit

Products and services

• Hongsa Mine Mouth Power Plant A lignite-fired power plant with 1,878 MW nominal gross capacity (three 626 MW generating units), supplying 1,473 MW to Thailand's EGAT and 100-175 MW to Laos' EDL. Uses Clean Coal Technology with Flue Gas Desulfurization and Electrostatic Precipitator for emissions control. Contracted to government utilities under 25-year Power Purchase Agreements.
• Hongsa Lignite Mine Opencast lignite mine adjacent to the power plant with over 400 million tonnes of proven reserves, producing approximately 14.3 million tonnes of lignite annually with a 26-year operating life. Features a conveyor belt system for direct fuel delivery to the power plant, supporting the mine mouth configuration.
• Transmission Line Infrastructure Approximately 183 km transmission line network including a 67-km 500 kV double circuit line to the Thai-Lao border and a 115-km 115 kV line to Luang Prabang 2 substation, enabling cross-border power delivery to both Thai and Lao grids.

Quantifiable outcome

• 1,473 MW contracted capacity to EGAT and 100-175 MW to EDL
• +2 more outcomes

Named customers2 records

Segments1 record

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

Two partnerships are on record, tiered major.

• Rayong Engineering & Plant Service Co., Ltd. (REPCO NEX)majorStrategic or Co-development Partner · 29 May 2026Strategic MOU signed to establish framework for technical and business collaboration. Partnership aims to enhance operational performance, maintenance management, and adoption of modern technologies including AI for reliability management, risk management, and optimization of plant operations and maintenance.
• Hongsa, Ngeun, and Xienghone DistrictsmajorStrategic or Co-development Partner · 30 April 2026MOU signing to support 2026 Economic and Social Development Projects. Total financial contribution of THB 9,000,000 for infrastructure improvement, quality of life enhancement, and economic opportunities for communities in project areas.

Scale indicators7 records

Recent moves6 records

Expansion highlights4 records

Regional players

• Sarawak Energy Berhad: Malaysian state-owned integrated power utility with significant coal-fired and hydro generation. Comparable as a Southeast Asian vertically integrated power utility with sovereign ownership and long-term offtake structures.

Broad incumbents

• Sembcorp Industries: Singapore-listed energy and urban development group with gas, coal, and renewable power generation across Asia including Vietnam and Indonesia. Comparable as a regional B2B power producer with mine-mouth and combined heat/power assets.
• CLP Holdings Limited: Hong Kong-listed utility with vertically integrated generation, transmission, and retail businesses across Hong Kong, mainland China, India, Australia, and Southeast Asia. Comparable as a diversified power player with coal-fired assets and long-term offtake contracts.

Emerging players

• Adani Power Limited: Indian private-sector IPP operating large-scale mine-mouth coal power plants under long-term PPAs with state distribution utilities. Closely comparable business model of vertically integrated lignite/coal mining and baseload power generation sold to sovereign offtakers.

Others

• Electricity Generating Authority of Thailand (EGAT): Thai state utility that is Hongsa's largest customer (1,473 MW PPA) and the major shareholder of RATCH Group. Relevant as a counterparty benchmark and as a comparable state-affiliated power enterprise in the same regional ecosystem.
• PT PLN (Persero): Indonesian state-owned electricity utility and the dominant offtaker in ASEAN's largest power market. Relevant as a counterparty benchmark for ASEAN mine-mouth coal IPPs and as a comparable state utility buyer.

Direct peers

• RATCH Group Public Company Limited: Thailand-listed IPP and 40% shareholder of Hongsa Power via RH International; develops and operates thermal and renewable power projects across Thailand and ASEAN. Same regional IPP mandate, same offtaker relationships (EGAT is RATCH's 45% shareholder).
• Banpu Power Public Company Limited: Thai-listed IPP and 40% shareholder of Hongsa Power; operates conventional and renewable power assets across Thailand, Laos, China, and Japan. Directly comparable as a regional coal and renewables IPP with overlapping asset base in Lao PDR.
• Gulf Energy Development Public Company Limited: One of Thailand's largest private IPPs with gas-fired and renewable capacity selling to EGAT under long-term PPAs. Comparable business model as a B2B power generator with sovereign-grade offtakers, though fuel mix differs.
• EGCO Group: Thai-listed IPP with portfolio of coal, gas, and renewable power plants in Thailand, Lao PDR, Philippines, and Indonesia. Directly comparable as a regional power generator selling to EGAT and other ASEAN utilities under long-term PPAs.

Market position

Weaknesses5 records

Competitive moat5 records

Key risks5 records

Key highlights7 records

Customer concentration

• Facebookfacebook.com/HongsaPowerRecruitment
• LinkedInlinkedin.com/company/hongsa-power-company

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles6 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Hongsa Power Company