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5.Practice of Energy Conservation Activities in Japanese Enterprises
Energy Management Promotion Method - 1

  1. Leader is President or Plant Manager
  2. Appointment of subdivision or person in charge of energy conservation and delegation of authority
  3. Employee education
  4. Improvement activities through participation by all employees
  5. Requesting advice from external specialists

  1. Clarification of energy conservation policy by plant operator (targets, attainment schedule, amount of investment)
  2. Creation and implementation of specific targets and plans by related subdivisions

  1. Installation of necessary measuring instruments (flow meters, thermometers, pressure gauges, meters for O2 content of exhaust gas, ammeters, voltmeters, wattmeters, etc.)
  2. Quantitative determination of energy flow (origin, transport, consumption)
  3. Analysis of relationship between operation conditions and amount of energy used
  4. Recording, organization, and graphing of measured values

Energy Management Promotion
Method - 2

Energy base units, energy comparison (energy consumption rate), etc.
Amount of energy used, amount of goods produced

  1. Identification of problems and improvement measures through participation by all employees in each subdivision
  2. Planning of specific improvements (elimination of unsuitable proposals)

  1. Run improvements through PDCA (Plan, Do, Check, Action) management circle
  2. Ensure that improvement proposals are known to all persons concerned
  3. Comprehensively manage state of progress
  4. After targets are attained, standardize the work involved

Three Steps to Promotion of Energy Conservation

  Measures Description
Step 1 Enhancement of management, Improvement of operation To enhance energy management based on the current setup, so as to improve operation
(at least measuring instruments may be required)
Step 2 Improvement and additional installation of equipment To improve or retrofit some facilities with only a small investment, so as to achieve higher energy efficiency as well as to recover waste energy
Step 3 Changes in process, Introduction of high-efficiency equipment This step is intended for improving or updating process and manufacturing equipment
It involves technical development and large-scale investment, but on the other hand produces a substantial effect
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