diff --git a/CHANGELOG.md b/CHANGELOG.md
index c9a117e329..2e2172f661 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## Unreleased
 
+### Changed
+- Changed default value of parameter scaling to 1 (#866)
+
 ## [0.4.5] - 2025-07-07
 
 ### Added
diff --git a/Project.toml b/Project.toml
index 732858a675..56f1ade663 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,7 +1,7 @@
 name = "GenX"
 uuid = "5d317b1e-30ec-4ed6-a8ce-8d2d88d7cfac"
 authors = ["Bonaldo, Luca", "Chakrabarti, Sambuddha", "Cheng, Fangwei", "Ding, Yifu", "Jenkins, Jesse D.", "Luo, Qian", "Macdonald, Ruaridh", "Mallapragada, Dharik", "Manocha, Aneesha", "Mantegna, Gabe ", "Morris, Jack", "Patankar, Neha", "Pecci, Filippo", "Schwartz, Aaron", "Schwartz, Jacob", "Schivley, Greg", "Sepulveda, Nestor", "Xu, Qingyu", "Zhou, Justin"]
-version = "0.4.5"
+version = "0.4.5-dev.1"
 
 [deps]
 CSV = "336ed68f-0bac-5ca0-87d4-7b16caf5d00b"
diff --git a/src/configure_settings/configure_settings.jl b/src/configure_settings/configure_settings.jl
index 3260f53785..a0e8bd7b33 100644
--- a/src/configure_settings/configure_settings.jl
+++ b/src/configure_settings/configure_settings.jl
@@ -12,7 +12,7 @@ function default_settings()
         "VirtualChargeDischargeCost" => 1,  # $/MWh
         "MinCapReq" => 0,
         "MaxCapReq" => 0,
-        "ParameterScale" => 0,
+        "ParameterScale" => 1,
         "WriteShadowPrices" => 0,
         "UCommit" => 0,
         "TimeDomainReduction" => 0,