Seibu Gas Holdings Co., Ltd.

In 1902, Nagasaki Gas, the first gas company in Kyushu, was established in Nagasaki.

Nagasaki Gas, the first gas company in Kyushu, was established in Nagasaki.

Seibu Godo Gas was established in 1913.

Seibu Godo Gas was established.

In 1927, Seibu Godo Gas merged with Toho Gas.

Seibu Godo Gas merged with Toho Gas.

Established with capital of 10 million yen, taking over the businesses of Toho Gas's Fukuoka, Kumamoto, Nagasaki, and Sasebo branches. Customer accounts: 29,000. Head office in Chiyo, Hakata-ku, Fukuoka City.

Established with capital of ¥10 million, inheriting the operations of Toho Gas’s Fukuoka, Kumamoto, Nagasaki, and Sasebo branches, with 29,000 customer accounts.

Head office located in Chiyo, Hakata-ku, Fukuoka City.

On December 1, 1930, Seibu Gas was established after once again separating from Toho Gas.

Seibu Gas was established after once again separating from Toho Gas.

Merged with Kyushu Gas, which served the Kitakyushu area. Capital increased to 14 million yen. Customer accounts: 63,700.

Merged with Kyushu Gas, whose service area was Kitakyushu; capital increased to ¥14 million.

Customer accounts reached 63,700.

Listed on the Fukuoka Stock Exchange.

Listed on the Osaka Securities Exchange.

Fukuoka Higashihama Plant completed.

Head office relocated to Kego, Chuo-ku, Fukuoka City.

Customer accounts exceeded 100,000.

Gas calorific value changed from 3,600 kcal to 4,500 kcal.

Nagasaki Togitsu Plant (formerly Nagasaki Plant) completed, and Nakanoshima Plant closed. All coal gas production facilities were phased out.

Nagasaki Togitsu Plant (formerly Nagasaki Plant) completed; Nakanoshima Plant closed.

All coal gas production facilities phased out.

Customer accounts exceeded 500,000.

Listed on the First Section of the Tokyo Stock Exchange.

Customer accounts exceeded 600,000, and the company came under the direct jurisdiction of the Ministry of International Trade and Industry (now the Ministry of Economy, Trade and Industry). Tokyo office opened. The Omuta–Kumamoto pipeline was completed, and purchased gas was introduced to the former Kumamoto Plant.

Customer accounts exceeded 600,000; came under the direct jurisdiction of the Ministry of International Trade and Industry (now the Ministry of Economy, Trade and Industry).

Tokyo office opened.

The Omuta–Kumamoto pipeline completed, and purchased gas was introduced to the former Kumamoto Plant.

Kitakyushu Plant completed.

The Nagasaki flood disaster occurred. The industry-wide recovery effort enabled an early resumption of operations.

Natural gas supply to Kitakyushu Plant began.

Head office relocated to Chiyo, Hakata-ku, Fukuoka City, and Kyushu's first city-gas cogeneration system was introduced.

Head office relocated to Chiyo, Hakata-ku, Fukuoka City.

Introduced Kyushu’s first cogeneration system powered by city gas.

Natural gas conversion work began in Kitakyushu City, with the calorific value changed to 11,000 kcal.

Signed an LNG purchase and sale agreement with Malaysia LNG.

The current Sasebo Plant was completed.

An LNG terminal was completed at the Fukuhoku Plant.

The Fukuhoku main pipeline was completed. The number of customer households exceeded one million.

Fukuhoku Main Pipeline completed.

Customer accounts exceeded one million.

LNG Tank No. 2 was completed at the Fukuhoku Plant. The Fukuma Manufacturing Facility was closed. LNG tanker truck supply began to Iizuka Gas Co., Ltd.

No. 2 LNG tank completed at Fukuhoku Plant.

Fukuma Manufacturing Plant closed.

Began supplying LNG by tanker truck to Iizuka Gas Co., Ltd.

LNG tanker truck supply began to Karatsu Gas Co., Ltd. and Imari Gas Co., Ltd.

Began supplying LNG by tanker truck to Karatsu Gas Co., Ltd.

Began supplying LNG by tanker truck to Imari Gas Co., Ltd.

The current Kumamoto Plant was completed. LNG tanker truck supply began to the Omura area of Kyushu Gas Co., Ltd.

Current Kumamoto Plant completed.

LNG tanker truck deliveries began in the Omura area of Kyushu Gas Co., Ltd.

The Research Institute was relocated to Imajuku, Nishi Ward, Fukuoka City. Gas rates were revised.

The General Research Institute relocated to Imajuku, Nishi Ward, Fukuoka City.

Gas rates revised.

The Kurume pipeline was completed. Wholesale supply of natural gas began to Tosu Gas Co., Ltd., Kurume City (now Kurume Gas Co., Ltd.), and Chikushi Gas Co., Ltd. The Nagasaki main pipeline was completed.

The Kurume Line was completed.

Wholesale natural gas supply began to Tosu Gas Co., Ltd., Kurume City (now Kurume Gas Co., Ltd.), and Chikushi Gas Co., Ltd.

The Nagasaki trunk pipeline was completed.

The current Nagasaki Plant was completed. Shares were acquired in Omuta Gas Co., Ltd., Kyushu Gas Pipeline Co., Ltd., and Mitsui Mining Chemical Co. (now SG Chemical Co., Ltd.), making them subsidiaries.

The current Nagasaki Plant was completed.

Shares in Omuta Gas Co., Ltd., Kyushu Gas Pressurization Co., Ltd., and Mitsui Mining Chemical (now SG Chemical Co., Ltd.) were acquired, making them subsidiaries.

LNG tanker truck supply began to the Isahaya area of Kyushu Gas Co., Ltd. The Fukuoka Prefecture western offshore earthquake occurred, and 600 employees from across the company worked on restoration. The company-wide conversion to natural gas was completed.

LNG tanker truck deliveries began in the Isahaya area of Kyushu Gas Co., Ltd.

The Fukuoka Prefecture Western Offshore Earthquake occurred, and 600 employees from across the company undertook restoration work.

Natural gas conversion work was completed company-wide.

Gas rates were revised. An LNG sale and purchase agreement was signed with Sakhalin Energy Investment Company.

Gas rates revised.

An LNG sale and purchase agreement was signed with Sakhalin Energy Investment Company.

Gas rates were revised. Kurume Gas Co., Ltd. was established.

Gas rates revised.

Kurume Gas Co., Ltd. was established.

Sales of the Ene-Farm residential fuel cell began.

Hibiki LNG Co., Ltd. was established. Construction of the Hibiki LNG Terminal began. LNG deliveries from Sakhalin II began.

Hibiki LNG Co., Ltd. was established.

Construction of the Hibiki LNG Terminal began.

LNG receipt from Sakhalin II began.

Gas rates were revised. The calorific value of gas was changed to 45 MJ and 46 MJ. Chukan Gas Co., Ltd. was merged into the company. The Omuta Plant of Kyushu Gas Pipeline Co., Ltd. was completed.

Gas rates revised. The calorific value of gas was changed to 45 MJ and 46 MJ.

Chukan Gas Co., Ltd. was merged into the company.

Completion of the Omuta Plant of Kyushu Gas Transmission Co., Ltd.

The company established a hardball baseball team as a symbolic sport for the group. Chikugo Gas Pipeline Co., Ltd. and Ene-Seed Co., Ltd. were established. The company entered the renewable energy generation business, including solar power generation. An LNG sale and purchase agreement was signed with Tokyo Gas Co., Ltd. Gas rates were revised following the introduction of the tax for measures to combat global warming.

Established a hardball baseball team as the group's symbolic sport.

Chikugo Gas Transmission Co., Ltd. was established.

Ene Seed Co., Ltd. was established. The company entered the renewable energy generation business, including solar power.

Signed an LNG purchase and sale agreement with Tokyo Gas Co., Ltd.

Revised gas rates following the introduction of the Tax for Climate Change Mitigation.

The LNG sale and purchase agreement with Sakhalin Energy Investment Company was revised.

The LNG sale and purchase agreement with Malaysia LNG was revised. Gas rates were revised following a change in the tax rate for the tax for measures to combat global warming. The Hibiki LNG Terminal began operations.

Signed a revised LNG purchase and sale agreement with Malaysia LNG Sdn. Bhd.

Revised gas rates following a change in the tax rate for the Tax for Climate Change Mitigation.

The Hibiki LNG Terminal began operations.

Gas rates were revised. The Kurume Plant of Chikugo Gas Pipeline Co., Ltd. was completed. LNG tanker truck supply began to Yamaguchi Godo Gas Co., Ltd. The Kitakyushu Plant was closed. The Fukuhoku Plant was closed. The Higashihama hydrogen station began operations.

Revised gas rates.

Completion of the Kurume Plant of Chikugo Gas Transmission Co., Ltd.

Started supplying LNG by tanker truck to Yamaguchi Godo Gas Co., Ltd.

The Kitakyushu Plant was decommissioned.

The Fukuhoku Plant was decommissioned.

The Higashihama Hydrogen Station began operations.

The company entered the retail electricity business. The 2016 Kumamoto earthquake occurred, and up to 4,600 personnel, including restoration support teams, worked on recovery efforts. The group formulated its medium-term management plan, "Scrum 2019." The Ene-Seed Kitakyushu Wind Farm began operations.

Entered the retail electricity business.

The 2016 Kumamoto Earthquake occurred. Up to 4,600 personnel, including recovery support teams, engaged in restoration work.

Formulated the Group's medium-term management plan, “Scrum 2019.”

The Ene Seed Kitakyushu Wind Farm began operations.

Full liberalization of gas retail sales began.

Transitioned to a company with an Audit and Supervisory Committee. Opened a representative office in Singapore.

Transitioned to a company with an Audit and Supervisory Committee.

Opened a representative office in Singapore.

Formulated the Group corporate message, “Everyday mornings, and new tomorrows.” Formulated the Group’s medium-term management plan, “SCRUM 2022.” Opened the hot spring facility “Hinata no Mori: Odo no Yudokoro.”

Formulated the group corporate message, “A familiar morning, and a new tomorrow.”

Formulated the group’s medium-term management plan, “SCRUM 2022.”

Opened the Hinata no Mori Odo Hot Spring facility.

In preparation for the transition to a pure holding company structure, established Saibu Gas Split Preparation Co., Ltd., Saibu Gas Kumamoto Co., Ltd., Saibu Gas Nagasaki Co., Ltd., and Saibu Gas Sasebo Co., Ltd. as companies preparing for the corporate split, each wholly owned by Saibu Gas Co., Ltd. Opened a representative office in Thailand. Consolidated the functions of the real estate leasing business into Saibu Gas Kosho Co., Ltd., which changed its trade name to Saibu Gas Urban Development Co., Ltd. Completed the Northern Kyushu Main Pipeline.

In preparation for the transition to a pure holding company structure, established Saibu Gas Split Preparation Co., Ltd., Saibu Gas Kumamoto Co., Ltd., Saibu Gas Nagasaki Co., Ltd., and Saibu Gas Sasebo Co., Ltd. as companies wholly funded by Saibu Gas Co., Ltd. to prepare for the corporate split.

Opened a representative office in Thailand.

Consolidated the functions of the real estate leasing business into Saibu Gas Kousho Co., Ltd. In connection with this, Saibu Gas Kousho Co., Ltd. changed its name to Saibu Gas Urban Development Co., Ltd.

Completed the Northern Kyushu trunk line.

Seibu Gas Co., Ltd. changed its trade name to Saibu Gas Holdings Co., Ltd., and transferred its gas business and other operations to Seibu Gas Co., Ltd., Saibu Gas Kumamoto Co., Ltd., Saibu Gas Nagasaki Co., Ltd., and Saibu Gas Sasebo Co., Ltd.

Formulated the “Saibu Gas Group Carbon Neutral 2050” plan.

Formulated the “Saibu Gas Group Vision 2030.”

Formulated the Saibu Gas Group medium-term management plan “Next2024.”

On April 1, 2021, the Group carried out a corporate split and other changes, transitioning to a new Saibu Gas Group structure based on a pure holding company.

The Group carried out a corporate split and other changes, transitioning to a new Saibu Gas Group structure based on a pure holding company.

2022: Listed on the Tokyo Stock Exchange Prime Market.

Listed on the Tokyo Stock Exchange Prime Market.

2024: Formulated the Saibu Gas Group medium-term management plan “Act2027.”

Formulation of the Seibu Gas Group Medium-Term Management Plan, “Act2027.”