Merge pull request #90 from staadecker/update_transmission_lifetime

Update transmission line lifetime to 85 years

Author: pesap

REAM Model Changelog.md

@@ -8,7 +8,7 @@ completed runs.
 
 Changes are listed from oldest (first line) to newest (last line of table).
 
-| PR | Month | Change description |
+| PR | Estimated Merge Time (check PR for exact date) | Change description |
 | ---- | --- | ---------------------|
 | #12 | March 2021 | Use the middle of the period instead of the start as the cutoff for retirement and predetermined buildout. |
 | #15 | March 2021 | Fix bug where storage costs where being over-counted. |

switch_model/wecc/get_inputs/cli.py

@@ -66,7 +66,10 @@ def run_post_process(module):
 
         # Get specific configuration for the post process if specified
         post_config = None
-        if "post_process_config" in full_config and full_config["post_process_config"] is not None:
+        if (
+            "post_process_config" in full_config
+            and full_config["post_process_config"] is not None
+        ):
             post_config = full_config["post_process_config"].get(module, None)
 
         # Run post process

switch_model/wecc/get_inputs/get_inputs.py

@@ -402,9 +402,10 @@ def query_db(full_config, skip_cf):
             "trans_lifetime_yrs",
             "trans_fixed_om_fraction",
         ],
+        # See Issue #80 for reasoning behind the 85 year lifetime.
         f"""
         SELECT trans_capital_cost_per_mw_km,
-            20 as trans_lifetime_yrs,
+            85 as trans_lifetime_yrs,
             0.03 as trans_fixed_om_fraction
         FROM switch.transmission_base_capital_cost
         WHERE transmission_base_capital_cost_scenario_id = {transmission_base_capital_cost_scenario_id}