| Key Indicator | Performance Indicator | Unit | 2016 | 2017 | 2018 |
|---|---|---|---|---|---|
| Environmental Management |
ISO 14001Certification Coverage |
% |
100 |
100 |
100 |
Purchase Percentage as Green Products |
% |
93.8 |
93.9 |
91.7 |
|
| Environmental Risk | Amount of Water Used |
kiloton(kt) |
2.5 |
2.0 |
2.0 |
Amount of Energy Used |
TOE/1000 |
5.3 |
5.2 |
4.7 |
|
Investment on R&D |
billions KRW |
410 |
434 |
427 |
|
| Environmental Partnership | Underground Installation Rate of Transmission Lines |
% |
11.3 |
11.9 |
12.5 |
Underground Installation Rate of Distribution Lines |
% |
17.1 |
17.7 |
18.4 |
|
Indoor Construction Rate of Substations |
% |
63.8 |
63.8 |
64.8 |
|
| Climate Change Partnership | CO2 Emissions |
10,000 tCO2-eq |
139.7 |
147.5 |
136.6 |
Transmission & Distribution Losses |
% |
3.59 |
3.52 |
3.56 |