Diego Alejandro Tejada Arango

Create a tutorial for a hydropower assets in cascade example

3

### What and Why Add a tutorial on how to model a hydrothermal system in Tulipa, including seasonal storage and representative periods. Blocked by #458 ### Possible Drawbacks _No response_...

Multi-year investment

16

### Description Update the model to handle multi-year investments. The checks below should be converted into issues when this development starts, to keep the changes as atomic as possible. One...

### What and Why There are two main improvements we can make to the log we get when using the `run_scenario` function: 1. Split the `solve_model!` function into two parts:...

Update the case study in the benchmark to have the new structure with entities from SpineToolbox 0.8.0. Add the following parameters and relationships to make a more complex case study...

Review current gas formulation in SpineOpt to see if it is possible to get rid of the BigMs there

2

**Is your feature request related to a problem? Please describe.** Current gas flow formulation uses BigM constants that lead to bad solutions if they are selected correctly. **Describe the solution...

Create new parameters for the economic representation in the multi-year investments

9

Taking as a reference the changes in the file `economic_structure` in PR #448 we need: - [x] List the new parameters and relationships with explanations in this issue - [x]...

Create the new variables and constraints for the multi-year investment for connections (i.e., vintage)

1

- [ ] Create the vintage variables and constraints, but don't link them to the current variables - [ ] Create the tests for the new variables and constraints This...

Create the new variables and constraints for the multi-year investment for storage (i.e., vintage)

1

- [ ] Create the vintage variables and constraints, but don't link them to the current variables - [ ] Create the tests for the new variables and constraints This...

Create the new variables and constraints for the multi-year investment for units (i.e., vintage)

3

- [ ] Create the vintage variables and constraints, but don't link them to the current variables - [ ] Create the tests for the new variables and constraints This...

Epic: Multi-year investment feature

1

**Description** The multi-year investments in SpineOpt are based on the proposal in discussion #476 **Steps** Please create an independent issue for each step (and even consider splitting this one if...