2026 workplan

2026-workplan.md

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+# 2026 Work plan summary
+
+This document summarises the OpenISP work plan for 2026. The original draft is a synthesis of the early 2026
+planning workshops held in Melbourne.
+
+The general approach discussed was to:
+
+- Postpone introducing backwards compatibility for old ISP versions and focus on updating to support the 2026.
+- Implement data validation processes to support flexible inputs and improve software robustness.
+- Then proceed incrementally adding modeling methodology features, based on priority order.*
+
+*Note, this is an explicit shift away from the `MVP` framing discussed previously. Rather than trying to strictly
+define an MVP to work towards (which is use case dependent), features will be sorted into a rough priority order and 
+released incrementally as completed.
+
+The key tasks and priorities are outlined in a series of tranches, with each tranche indicating a set of tasks with
+roughly equal priority which can be implemented (mostly) in parallel.
+
+## Tranche 1 - 2026 ISP update and data validation:
+
+- Review translater output (ISPyPSA tables format)
+- Update translater to work 2026 ISP IASR and implement changes flowing from review
+- Implement data validation for ISPyPSA tables and translator tables
+- Update the trace parser to work with 2026 ISP traces
+- Update ISPyPSA to support PyPSA 1.0 and lastest Python 3.10-14
+
+## Tranche 2+ (to be broken up with prioritisation):
+
+- Generators
+    - Hydro
+        - using inflows and general structure of AEMO methods
+    - Finalise utility storage
+    - CER storage
+    - Outages (deratings for capacity outlook)
+    - Seasonal ratings
+    - Renewable energy entrants outside REZs (if minimal work required)
+    - Reserves
+    - Hydrogen
+
+- Network Network
+    - Seasonal ratings
+    - Network losses
+
+- Policy constraints
+    - Carbon budget
+    - Renewable energy target
+    - Storage targets_
+
+- Temporal resolution reduction
+    - sampled chronology
+    - (alternative is to do representative year for an investment period??)
+