diff --git a/.gitignore b/.gitignore
index 5853a887..67d42ca3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -50,10 +50,6 @@ inputs/profiles_temperature
 inputs/remote
 inputs/shapefiles/cache
 
-# Old climate scenarios (temporarily ignore, remove this section once ESPRS data is available)
-inputs/climate/
-!inputs/climate/climate_heuristics_*.csv
-
 # IDE stuff
 *.vscode
 
diff --git a/inputs/climate/climate_heuristics_finalyear.csv b/inputs/climate/climate_heuristics_finalyear.csv
new file mode 100644
index 00000000..334415c4
--- /dev/null
+++ b/inputs/climate/climate_heuristics_finalyear.csv
@@ -0,0 +1,4 @@
+*parameter,none,2025_2050_linear
+hydro_capcredit_delta,0,-0.2
+thermal_summer_cap_delta,0,-0.15
+trans_summer_cap_delta,0,-0.05
\ No newline at end of file
diff --git a/inputs/climate/climate_heuristics_yearfrac.csv b/inputs/climate/climate_heuristics_yearfrac.csv
new file mode 100644
index 00000000..c833fbdf
--- /dev/null
+++ b/inputs/climate/climate_heuristics_yearfrac.csv
@@ -0,0 +1,42 @@
+*t,none,2025_2050_linear
+2010,0,0
+2011,0,0
+2012,0,0
+2013,0,0
+2014,0,0
+2015,0,0
+2016,0,0
+2017,0,0
+2018,0,0
+2019,0,0
+2020,0,0
+2021,0,0
+2022,0,0
+2023,0,0
+2024,0,0
+2025,0,0
+2026,0,0.04
+2027,0,0.08
+2028,0,0.12
+2029,0,0.16
+2030,0,0.2
+2031,0,0.24
+2032,0,0.28
+2033,0,0.32
+2034,0,0.36
+2035,0,0.4
+2036,0,0.44
+2037,0,0.48
+2038,0,0.52
+2039,0,0.56
+2040,0,0.6
+2041,0,0.64
+2042,0,0.68
+2043,0,0.72
+2044,0,0.76
+2045,0,0.8
+2046,0,0.84
+2047,0,0.88
+2048,0,0.92
+2049,0,0.96
+2050,0,1
\ No newline at end of file