Komori
Keio (9008) · InitiativeAdvanced

Energy conservation and environmental protection in railway operations

First written in FY2016. 5 of 6 entries say "Advanced", first in FY2017. Latest entry: FY2023.

6entries
8years
0from disclosures
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How it moved
ProgressHeldSoftenedWorseFirst statedFY2016AdvancedFY2017 – FY20232016: 120162017: 120172018: 120182019: 020192020: 120202021: 020212022: 120222023: 12023
Same theme, other companies
Railway energy storage, renewable energy use and the development of Northern Tohoku as an energy hubA theme 5 companies write about · 0 as a headwind · 5 as a tailwind

4 other companies' latest entry also says "Advanced".

Ridges = years it wrote progress, valleys = years it wrote worse. Most hopeful companies at the back. Drag to turn, scroll to zoom, right-drag to pan. On a phone, two fingers turn and pinch to zoom; one finger scrolls the page.
Full recordFilings, disclosures and news, newest first
  1. FY2023AdvancedAnnual report

    「As part of its environmental initiatives, the Group advanced the replacement of rolling stock with VVVF inverter control systems that deliver greater power savings and worked to convert station lighting to LEDs.」

    The Group continues to advance the replacement of VVVF systems in rolling stock and the conversion of station lighting to LEDs as energy-saving measures.
  2. FY2022AdvancedAnnual report

    「We implemented energy-saving initiatives at underground stations, including changing operating procedures to adjust air-conditioning settings in stages according to the outside temperature. The initiative at Chofu Station received the Minister of Economy, Trade and Industry Award, the highest honor in the transportation category of the Energy Conservation Grand Prize 2021, Energy Conservation Case Study Division.」

    The Group advanced VVVF replacement, the conversion of lighting and rolling stock headlights to LEDs, and the installation of a station auxiliary power supply system at Mejirodai Station. Chofu Station's energy-saving initiative received the Minister of Economy, Trade and Industry Award.
  3. FY2020AdvancedAnnual report

    「As part of its environmental initiatives, the Group continued replacing rolling stock with VVVF inverter control systems that deliver greater power savings and worked to convert lighting at stations and elsewhere to LEDs.」

    Energy-saving measures have progressed from introducing new VVVF inverter control systems to continuing their replacement and converting station lighting to LEDs.
  4. FY2018AdvancedAnnual report

    「The new 5000 series rolling stock, which began commercial operation in September, is equipped with an onboard battery system that stores regenerative power generated when the train brakes and uses it for propulsion.」

    The new 5000 series rolling stock was equipped with an onboard battery system that stores regenerative power and uses it for propulsion, completing the introduction of the system.
  5. FY2017AdvancedAnnual report

    「We installed a station auxiliary power supply system at Kitano Station, the third station to receive one, to supply station facilities with regenerative power generated when trains brake.」

    The rollout of systems supplying station facilities with regenerative power progressed to Kitano Station, the third station.
  6. FY2016First statedAnnual report

    「We also began the full-scale introduction of new VVVF inverter control systems with greater power-saving benefits than the previous systems, and completed the conversion of interior lighting to LEDs throughout all Inokashira Line rolling stock.」

    Specific measures, including the use of regenerative power, new VVVF systems and the conversion of interior lighting to LEDs, are being implemented.
Moved together

"Group-wide internal control and compliance framework" moved the same way as this thread, in the same document, in 5 of its 6 moves.

555444★123456
  1. ★This thread
  2. 1Group-wide internal control and compliance framework5×
  3. 2Earthquake resilience and extreme-weather measures for railway facilities5×
  4. 3Revitalisation and hub development along the railway line5×
  5. 4Cyberterrorism and information security for railway systems4×
  6. 5Securing railway ridership and improving earnings capacity4×
  7. 6Continuous grade-separation project between Sasazuka and Sengawa stations4×

★ is this thread; numbers match the list above. The number on a line is how many documents both moved the same way in; lines between the other threads count the documents they moved together in too. Threads that move together often sit closer.

When this could move next
Keio's next results are scheduled for 2026-11-10. Read the earnings preview
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