Add Balmorel (#1031)

A bottom-up partial equilibrium energy system model that has traditionally been applied to investigate decarbonisation pathways of sector-coupled energy systems, infrastructure, renewable fuel production and more. https://github.com/balmorelcommunity/Balmorel

README.md

@@ -419,6 +419,7 @@ energy system designs and analysis of interactions between technologies.
 - [Energy System Simulation and Optimization](https://github.com/Akkudoktor-EOS/EOS) - An open-source energy optimization system that integrates renewable energy sources, such as photovoltaic (PV) systems, battery storage, and smart load management solutions.
 - [SpineOpt.jl](https://github.com/spine-tools/SpineOpt.jl) - A highly adaptable modelling framework for multi-energy systems written in Julia.
 - [BlueSky](https://github.com/EIAgov/BlueSky) - An EIA initiative to develop an open source, next generation energy systems model, which will eventually be used to produce the Annual Energy Outlook (AEO) and International Energy Outlook (IEO).
+- [Balmorel](https://github.com/balmorelcommunity/Balmorel) - A bottom-up partial equilibrium energy system model that has traditionally been applied to investigate decarbonisation pathways of sector-coupled energy systems, infrastructure, renewable fuel production and more.
 
 ### Energy Markets
 - [Grid Singularity Energy Exchange](https://github.com/gridsingularity/gsy-e) - An interface to download and deploy interconnected, grid-aware energy marketplaces.