Semirara Mining and Power Corporation
Semirara Mining and Power Corporation is a Philippine coal-mining and power-generation company controlled by DMCI Holdings.
Last updated August 26, 2026
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Overview
Semirara Mining and Power Corporation (SMPC) is a Philippine mining and energy company whose principal operating base is Semirara Island in the municipality of Caluya, Antique. Its core business is the surface extraction and sale of coal, complemented by electricity-generation activities that were reflected in the company's name from 2014 onward. The company is controlled by DMCI Holdings and is one of the most significant participants in the Philippine coal industry. The business began on February 26, 1980, as Semirara Coal Corporation. It entered into an agreement with the Philippine Department of Energy granting it exclusive rights to explore, develop, and mine coal resources on Semirara Island. The company identified deposits at Unong and Panian, and a third area, Himalian, was identified in 1981. In 1984, Semirara Coal Corporation and Austrian state-owned company Voest Alpine opened the first commercial mining site on the island at Unong. The company's operating footprint expanded through a change in ownership and management during the 1990s. In 1997, DMCI Holdings acquired 40 percent of Semirara Coal Corporation's common shares from Voest Alpine. By 1999, DMCI had secured control, introduced new management, and renamed the company Semirara Mining Corporation. During the same period, Semirara opened the Panian mining site in preparation for the eventual closure of Unong. The company became listed on the Philippine Stock Exchange in 2005. Semirara expanded beyond domestic coal sales in the 2000s. It exported coal to China for the first time in 2007 and later developed sales relationships in India, Hong Kong, Japan, Taiwan, and Thailand. Its production position made it a major domestic supplier: the referenced company history identifies Semirara as accounting for approximately 92 percent of Philippine coal production in 2015. This concentration gives the company an important role in the country's energy and industrial-fuel supply chain, while also exposing it to mine-safety, environmental, regulatory, and commodity-market risks. The company's mining portfolio changed substantially in the middle of the 2010s. The Panian pit, which operated from 1999, was exhausted in 2016. It was replaced by the Narra and Molave pits, both of which began operating in that year. The corporate name was changed to Semirara Mining and Power Corporation in 2014 to signal the addition of power generation to its coal-mining activities. In 2018, the company relinquished its exploration and mining rights on Caluya and Sibay Islands, neighboring areas outside its continuing Semirara Island operations. SMPC's identity is therefore built around an integrated Philippine coal-and-power platform rather than a consumer-facing product brand. Its principal offerings are mined coal and electricity-generation capacity, supported by exploration, mine development, extraction, processing, logistics, and commercial sales. The company remains active, but the available reference material does not specify its current production volumes, power-plant portfolio, revenue, workforce, executive team, or official corporate website.
History
Semirara Mining and Power Corporation traces its origins to Semirara Coal Corporation, established on February 26, 1980. The company received rights from the Philippine Department of Energy to explore, develop, and mine coal resources on Semirara Island in Caluya, Antique. Early exploration identified deposits at Unong and Panian, while a third deposit at Himalian was identified in 1981. In 1984, Semirara Coal Corporation partnered with Austrian state-owned company Voest Alpine to open the Unong pit, the island's first operating coal mine. Unong remained in operation until 2000. As the company developed its resource base, the Panian pit was opened in 1999 to provide a successor operation and maintain production after Unong's eventual closure. DMCI Holdings became the decisive shareholder during the late 1990s. In 1997 it acquired a 40 percent interest in Semirara Coal Corporation from Voest Alpine. By 1999, DMCI had obtained control, installed new management, and changed the company's name to Semirara Mining Corporation. The ownership transition marked the beginning of the company's development under the DMCI group. Semirara Mining Corporation was listed on the Philippine Stock Exchange in 2005. Its commercial reach expanded internationally when it made its first coal shipment to China in 2007. Subsequent export markets included India, Hong Kong, Japan, Taiwan, and Thailand. The company consequently served both Philippine customers and Asian buyers of coal. The Panian operation was the site of two serious fatal incidents recorded in the company's reference history. In February 2013, a pit collapse killed at least five miners. In 2015, a separate collapse caused by a rain-induced landslide killed nine miners. These events form an important part of the company's operational history and illustrate the safety and geological risks associated with large-scale surface mining. The company broadened its corporate identity in 2014 by adopting the name Semirara Mining and Power Corporation. The change reflected the addition of electricity generation to its established coal-mining business. In 2016, the Panian mine was exhausted after operating from 1999, and the Narra and Molave pits began serving as replacement operations. In 2018, the company relinquished its exploration and mining rights on Caluya and Sibay Islands, which neighbor Semirara Island. The available reference material presents SMPC as an active, DMCI-controlled Philippine mining and power company centered on Semirara Island. It does not provide sufficient information to document later production levels, current mine reserves, detailed power assets, present officers, financial performance, or subsequent corporate developments.
- 2018
Mining rights on Caluya and Sibay Islands relinquished
[1]SMPC relinquished its rights to explore and mine coal on neighboring Caluya and Sibay Islands.
- 2016
Panian exhausted; Narra and Molave began operations
[1]The Panian mine was exhausted, and the Narra and Molave pits replaced it as operating mines.
- 2014
Company renamed to reflect power generation
[1]The company adopted the name Semirara Mining and Power Corporation to reflect its expansion into electricity generation.
- 2007
First coal export to China
[1]The company exported coal to China for the first time and later expanded its Asian customer base.
- 2005
Listed on the Philippine Stock Exchange
[1]Semirara Mining Corporation became a publicly listed company on the Philippine Stock Exchange.
- 2000
Unong pit ceased operation
[1]The Unong pit, which had operated since 1984, was closed.
- 1999
DMCI gained control and Panian opened
[1]DMCI secured control, new management was introduced, the company was renamed Semirara Mining Corporation, and the Panian mine opened.
- 1997
DMCI acquired a major stake
[1]DMCI Holdings acquired 40 percent of the company's common shares from Voest Alpine.
- 1984
Unong pit opened
[1]Semirara Coal Corporation and Voest Alpine opened the first coal-mining site on Semirara Island at Unong.
- 1981
Himalian coal deposit identified
[1]Coal resources were identified at a third Semirara Island site known as Himalian.
Products and positioning
A large Philippine coal producer and integrated mining-and-power company, with a dominant domestic coal position and established Asian export markets.
Coal mining · 2016
Narra Pit coal
Narra is one of the two replacement mining operations opened on Semirara Island in 2016 after the exhaustion of the Panian mine. It contributes to SMPC's continuing coal-production platform and supplies coal for domestic and export markets.
Coal mining · 2016
Molave Pit coal
Molave began operating in 2016 alongside Narra as a successor to the exhausted Panian pit. It forms part of the company's continuing Semirara Island mining portfolio.
Coal mining · 1999
Panian Pit coal
Panian was the company's principal successor to Unong and operated from 1999 until its coal resources were exhausted in 2016. The pit supported domestic production and international coal exports during its operating life.
Coal mining · 1984
Unong Pit coal
Unong was Semirara Island's first operating coal pit. It was opened in 1984 through the company's partnership with Voest Alpine and operated until 2000.
Power generation · 2014
Electricity generation
Power generation became part of SMPC's stated business scope before the company adopted its current name in 2014. The available source confirms the business expansion but does not provide enough detail about specific plants, capacities, or generation products.
Brand decisions
2018
Relinquishment of neighboring-island mining rightsStrategyBackground
SMPC held exploration and mining rights covering areas on Caluya and Sibay Islands neighboring Semirara Island.
Action taken
The company relinquished its rights to explore and mine coal on Caluya and Sibay Islands.
Aftermath
The company's referenced mining rights became more concentrated on its Semirara Island operations.
2016
Replacement of the Panian mineGeneration changeBackground
The Panian mine, which had operated since 1999, reached the end of its productive life.
Action taken
SMPC replaced Panian with the Narra and Molave mining pits.
Aftermath
Coal-mining activity continued on Semirara Island through the two replacement pits.
2014
Expansion into power generationStrategyBackground
The company had historically been identified primarily with coal mining, but expanded its business scope into electricity generation.
Action taken
Semirara Mining Corporation changed its name to Semirara Mining and Power Corporation.
Aftermath
The new name positioned the company as an integrated mining-and-power business rather than solely a coal producer.
2007
Expansion into coal exportsStrategyBackground
After becoming a Philippine Stock Exchange-listed company in 2005, Semirara sought to broaden the market for its coal production.
Action taken
The company exported coal to China for the first time and subsequently expanded its foreign-market reach to India, Hong Kong, Japan, Taiwan, and Thailand.
Aftermath
The company developed an international Asian customer base in addition to its domestic coal business.
1999
DMCI control and corporate reorganizationStrategyBackground
DMCI Holdings had acquired 40 percent of the company in 1997 and by 1999 had secured a controlling stake. The business was preparing for the eventual closure of the Unong mine.
Action taken
DMCI introduced new management, renamed the company Semirara Mining Corporation, and opened the Panian mine as a successor operation.
Aftermath
The transaction established the company's long-term affiliation with DMCI and extended its mining operations beyond Unong.
Sources1 sources
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