# \#capacity-expansion

**URL:** https://discourse.julialang.org/tag/capacity-expansion/1802.md

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## [What does the network constraint look like in the capacity expansion problem](https://discourse.julialang.org/t/what-does-the-network-constraint-look-like-in-the-capacity-expansion-problem/129214)

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**Author:** [@WalterMadelim](https://discourse.julialang.org/u/WalterMadelim)\
**Replies:** 1\
**Last updated:** [May 21, 2025, 9:31pm UTC](https://discourse.julialang.org/t/what-does-the-network-constraint-look-like-in-the-capacity-expansion-problem/129214 "2025-05-21T21:31:31Z")

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I’m looking for help on the modeling issue of a power system capacity expansion problem. Here is a related tutorial Power Balance · GenX.jl. The z there is a “node” (electrical bus) quantity, and t there is an index of…