Electric energy distribution 2 (research)
| Technology: | Electric energy distribution 2 | ||
| Cost: | |||
| Requires: | Electric energy distribution 1 |- | Effects: | Big electric pole Substation |- |
| Technology: | Electric energy distribution 2 | ||
| Cost: | |||
| Requires: | Electric energy distribution 1 |- | Effects: | Big electric pole Substation |- |