diff --git a/ci/requirements-py3.11.yml b/ci/requirements-py3.11.yml
index c14676ab2f..6a52c57348 100644
--- a/ci/requirements-py3.11.yml
+++ b/ci/requirements-py3.11.yml
@@ -24,5 +24,5 @@ dependencies:
     - scipy >= 1.7.2
     - statsmodels
     - pip:
-        - nrel-pysam>=2.0
+        - nlr-pysam>=2.0
         - solarfactors
diff --git a/ci/requirements-py3.12.yml b/ci/requirements-py3.12.yml
index 1254dcb132..f92ad4a731 100644
--- a/ci/requirements-py3.12.yml
+++ b/ci/requirements-py3.12.yml
@@ -24,5 +24,5 @@ dependencies:
     - scipy >= 1.7.2
     - statsmodels
     - pip:
-        - nrel-pysam>=2.0
+        - nlr-pysam>=2.0
         - solarfactors
diff --git a/ci/requirements-py3.13.yml b/ci/requirements-py3.13.yml
index 6647d72196..357d89d94a 100644
--- a/ci/requirements-py3.13.yml
+++ b/ci/requirements-py3.13.yml
@@ -24,5 +24,5 @@ dependencies:
     - scipy >= 1.7.2
     - statsmodels
     - pip:
-        - nrel-pysam>=2.0
+        - nlr-pysam>=2.0
         - solarfactors
diff --git a/ci/requirements-py3.14.yml b/ci/requirements-py3.14.yml
index 1b1501c66f..dcd3f14a3c 100644
--- a/ci/requirements-py3.14.yml
+++ b/ci/requirements-py3.14.yml
@@ -24,5 +24,5 @@ dependencies:
     - scipy >= 1.7.2
     - statsmodels
     - pip:
-        # - nrel-pysam>=2.0  # not available for py 3.14 as of 2025-11-03
+        - nlr-pysam>=2.0
         - solarfactors
diff --git a/pyproject.toml b/pyproject.toml
index de7fbb7fb8..3c145f9cfc 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -49,7 +49,7 @@ dynamic = ["version"]
 optional = [
     'cython',
     'ephem',
-    'nrel-pysam',
+    'nlr-pysam',
     'numba >= 0.17.0',
     'solarfactors >= 1.6.1',
     'statsmodels',