Higher Costs and Production Issues Due to Aging Coke Furnaces
First written in FY2017. 10 of 17 entries say "Mitigated", first in FY2022. Latest entry: 2026-11-06.
The whole theme swung hardest in 2026: 2 of 9 companies on the "Worse" side.
4 other companies' latest entry also says "Mitigated".
- 2026-11-06MitigatedResults
「生産体制最適化移行前に頻発していたコークス炉周りの操業トラブルは大幅に減少しており、健全２炉団による操業の安定度は格段に向上しました。」
老朽炉の休止と健全２炉団への集約後、コークス炉周りの操業トラブルが大幅に減少したと記載された。 - FY2026MitigatedAnnual report
「With safe and stable operations as the top priority, the Company will complete the transition to an optimized production structure consisting of 2 sound furnace batteries and work to secure stable earnings by steadily implementing each of the measures described below.」
The Company indicated a policy of suspending the 2 aging furnace batteries and completing the transition to a structure consisting of 2 sound furnace batteries, shifting its response to repair costs and production issues at the aging furnaces from continued operation to consolidation. - FY2026-H1MitigatedAnnual report
「Under these circumstances, as the Company had reached a point where it could resolve the technical issues attributable to the various facilities at the Kitakyushu site, it decided to further develop its operating policy centered on the 2 sound furnace batteries by completely suspending the 2 aging furnace batteries and optimizing the production structure using only the 2 sound furnace batteries.」
A policy was decided to suspend the aging 1B and 2B furnace batteries and consolidate operations in the renewed 1A and 2A furnace batteries, which are expected to operate stably. The response to higher repair costs and production issues at the aging furnaces is shifting from continued operation to suspension and consolidation. - FY2025WorsenedAnnual report
「Although various measures were attempted for the 2 aging furnace batteries, they did not produce significant results, and the fire that occurred in December 2024 also had a major impact,」
Even after completion of the renewal work on the 2A furnace battery, measures for the existing 2 aging furnace batteries produced no significant results, and a fire and a decline in production volumes occurred. - FY2025-H1MitigatedAnnual report
「The pad-up renewal work on the 2A coke furnace at the Company's Kitakyushu site was completed in September 2024, and the furnace has been in operation since that month.」
For the aging 2A coke furnace, pad-up renewal work was completed and operations began. The response to aging has progressed from implementation to operation. - FY2024MaterialisedAnnual report
「Of the 4 furnace batteries (1A, 1B, 2A and 2B), the Company has been carrying out renewal work on the 2A furnace battery, which is the most aged, since February 2023. It is also taking measures to maintain the soundness of the other furnace batteries.」
While continuing renewal work on the 2A furnace battery and measures to maintain the soundness of the other furnace batteries, the Company reported a decline in production volumes due to equipment issues in the current fiscal year's results. - FY2024-Q3MaterialisedAnnual report
「Due to the decline in coking coal market conditions compared with the same period of the previous year, as well as a decrease in production resulting from the 2A coke oven renewal project and equipment trouble,」
Regarding the risk of production-volume fluctuations associated with the aging coke furnaces, the Company reported an actual decline in production volumes due to equipment issues in addition to the renewal work on the 2A furnace battery. - FY2023MitigatedAnnual report
「Of the 4 furnace batteries (1A, 1B, 2A and 2B), the Company has been carrying out renewal work on the 2A furnace battery, which is the most aged, since February 2023. It is also taking measures to maintain the soundness of the other furnace batteries.」
As a response to aging-related risks, the Company began renewal work on the 2A furnace battery and is also implementing measures to maintain the soundness of the other furnace batteries. - FY2023-Q1MitigatedAnnual report
「During the current first quarter consolidated accounting period, the Company decided to make a renewal investment in the coke oven facilities at its Kitakyushu Plant. Accordingly, the useful lives of fixed assets that will become unusable have been shortened and changed prospectively.」
As a response to the aging coke furnaces, the Company decided to invest in renewal and is shortening the useful lives of assets that can no longer be used. - FY2022MitigatedAnnual report
「Of the 4 furnace batteries (1A, 1B, 2A and 2B), the Company plans to carry out renewal work on the 2A furnace battery, which is the most aged. It is also taking measures to maintain the soundness of the other furnace batteries.」
As a response to aging-related risks, the Company decided to carry out renewal work on the 2A furnace battery and indicated a policy of taking measures to maintain the soundness of the other furnace batteries as well. - FY2021RestatedAnnual report
「Accordingly, over the medium term, the Company is undertaking refresh construction and other work to maintain and strengthen the soundness of the facilities, while over the long term it is working to secure the earnings capacity and strengthen the financial base needed to enable renewal of the facilities.」
For the coke furnaces that have been in operation for approximately 40 years, the Company continues to address the situation with a view to medium-term refresh construction and long-term renewal. - FY2019RestatedAnnual report
「The coke furnaces at the Company's Kitakyushu site have been in operation for approximately 40 years, and costs for measures to address aging equipment, maintenance and repairs may increase. Production volumes may also fluctuate significantly due to production issues and other factors.」
The Company continues to face the risk of higher maintenance and repair costs and volume fluctuations caused by production issues at its coke furnaces, which have been in operation for approximately 40 years. - FY2018RestatedAnnual report
「The coke furnaces at the Company's Kitakyushu site have been in operation for approximately 40 years, and costs for measures to address aging equipment, maintenance and repairs may increase. Production volumes may also fluctuate significantly due to production issues and other factors.」
The Company continues to face the risk of higher maintenance and repair costs and volume fluctuations caused by production issues at its coke furnaces, which have been in operation for approximately 40 years. - FY2017First statedAnnual report
「The coke furnaces at the Company's Kitakyushu site have been in operation for approximately 40 years, and costs for measures to address aging equipment, maintenance and repairs may increase. Production volumes may also fluctuate significantly due to production issues and other factors.」
For the coke furnaces that have been in operation for approximately 40 years, the Company identified for the first time the risks of higher maintenance and repair costs and volume fluctuations caused by production issues.