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TEPCO has an abundant construction and design experience in transmission lines and substations. We have made a contribution to decrease of environmental impact and environmental harmonization of transmission line and substation with existing backgrounds. Our Technologies are effective solutions for environmental issues.

Transmission Network

Overhead Transmission Line Underground Transmission Line Substation
  • Substation Design Adapted to the Environment
Substation Design Adapted to the Environment
Merit of environmental measures design
  • Decrease of environmental impact, and effective use of resources
  • Making of substation construction plan smooth
  • Acceptance of society for electric power business
  • Increase of equipment total life expectancy

Environmental management

Energy efficiency improvement
and Loss reduction
  • Equipment development and
    application to make good use of
    the latest loss reduction technology
  • Effective use of technology and
    application results of cooling
    equipment to reject heat damage
Environmental impact reduction
  • Proper management knowledge
    of SF6 gas
  • Application of new fire extinguishing
    gas which does not use Halon and CO2

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Harmony with surroundings
  • External design that blends
    in with the natural surroundings
  • Noise level evaluation and
    effective arrangement design of
    equipment by noise analysis system
  • Substation design which
    considers the natural environment
    such as adoption of environmental
    symbiosis
Recycling promotion
  • Recycling of excavation soil,
    construction scraps, etc.
  • Effective use of rain-water, etc.


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