diff --git a/R/sysdata.rda b/R/sysdata.rda
new file mode 100644
index 00000000..984bb1dd
Binary files /dev/null and b/R/sysdata.rda differ
diff --git a/data-raw/EDGE_scenario_switches.R b/data-raw/EDGE_scenario_switches.R
new file mode 100644
index 00000000..853041de
--- /dev/null
+++ b/data-raw/EDGE_scenario_switches.R
@@ -0,0 +1,17 @@
+library(tidyverse)
+
+EDGE_scenario_switches <- tribble(
+    ~scenario,       ~`EDGE-Industry_steel.stock.estimate`,
+    'SDP',           'low',
+    'SDP_EI',        'low',
+    'SDP_MC',        'low',
+    'SDP_RC',        'low',
+    'SSP1',          'low',
+    'SSP2',          'med',
+    'SSP2Ariadne',   'med',  
+    'SSP3',          'med',
+    'SSP4',          'med',
+    'SSP5',          'high')
+
+usethis::use_data(EDGE_scenario_switches, internal = TRUE)
+