Power does not transmit between dimensions without reconnecting wires

[Tw3n7y]

Description of the Bug

I have a geothermal power set-up entirely in the Nether, and power is transmitted through the Beneath to the overworld with interdimensional pipes. Every time the server boots, I have to go to the Nether and reconnect the lower half of the Nether-Beneath connection, or else power is not transmitted. This does not seem to be an issue with the connection between the Beneath and the overworld. All relevant chunks are chunkloaded with FTBUtils.

Reproduction

1. Place a power source in the Nether
2. Connect it to the Beneath and then the overworld with interdimensional pipes and superconducting wires
3. Place a power user in the overworld connected to the wires
4. Restart the server
5. See that no power is transmitted
6. Go to the Nether, and disconnect and reconnect the wires to the lower half of the pipe
7. See that power is transmitted

Version

0.1.15.14

Relevant log output