From ff17a02509b1590629d5c7ce2bd51f75482fbccd Mon Sep 17 00:00:00 2001
From: Daxini <Rajiv.Daxini@nrel.gov>
Date: Mon, 2 Mar 2026 15:02:44 -0700
Subject: [PATCH 1/3] Update pvsystem.py

---
 pvlib/pvsystem.py | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/pvlib/pvsystem.py b/pvlib/pvsystem.py
index fe85359b99..501c2f713d 100644
--- a/pvlib/pvsystem.py
+++ b/pvlib/pvsystem.py
@@ -16,7 +16,6 @@
 from dataclasses import dataclass
 from abc import ABC, abstractmethod
 from typing import Optional, Union
-from pvlib._deprecation import renamed_kwarg_warning
 import pvlib  # used to avoid albedo name collision in the Array class
 from pvlib import (atmosphere, iam, inverter, irradiance,
                    singlediode as _singlediode, spectrum, temperature)
@@ -843,8 +842,6 @@ def scale_voltage_current_power(self, data):
             for array, data in zip(self.arrays, data)
         )
 
-    @renamed_kwarg_warning(
-        "0.13.0", "g_poa_effective", "effective_irradiance")
     @_unwrap_single_value
     def pvwatts_dc(self, effective_irradiance, temp_cell):
         """
@@ -2884,8 +2881,6 @@ def scale_voltage_current_power(data, voltage=1, current=1):
     return df_sorted
 
 
-@renamed_kwarg_warning(
-    "0.13.0", "g_poa_effective", "effective_irradiance")
 def pvwatts_dc(effective_irradiance, temp_cell, pdc0, gamma_pdc, temp_ref=25.,
                k=None, cap_adjustment=False):
     r"""

From 2f0f46b228e4fc2252cba226d06776c4f2be3d85 Mon Sep 17 00:00:00 2001
From: Daxini <Rajiv.Daxini@nrel.gov>
Date: Mon, 2 Mar 2026 16:57:02 -0700
Subject: [PATCH 2/3] Create v0.16.0.rst

---
 docs/sphinx/source/whatsnew/v0.16.0.rst | 49 +++++++++++++++++++++++++
 1 file changed, 49 insertions(+)
 create mode 100644 docs/sphinx/source/whatsnew/v0.16.0.rst

diff --git a/docs/sphinx/source/whatsnew/v0.16.0.rst b/docs/sphinx/source/whatsnew/v0.16.0.rst
new file mode 100644
index 0000000000..ac614b065c
--- /dev/null
+++ b/docs/sphinx/source/whatsnew/v0.16.0.rst
@@ -0,0 +1,49 @@
+.. _whatsnew_0_16_0:
+
+
+v0.16.0 (Month XX, 20YY)
+-----------------------
+
+Breaking Changes
+~~~~~~~~~~~~~~~~
+* Remove support for the `g_poa_effective` keyword argument in
+  :py:func:`pvlib.pvsystem.pvwatts_dc`. Users must now use
+  `effective_irradiance`. (:issue:`2703`, :pull:`2704`)
+
+
+Deprecations
+~~~~~~~~~~~~
+
+
+Bug fixes
+~~~~~~~~~
+
+
+Enhancements
+~~~~~~~~~~~~
+
+
+Documentation
+~~~~~~~~~~~~~
+
+
+Testing
+~~~~~~~
+
+
+Benchmarking
+~~~~~~~~~~~~
+
+
+Requirements
+~~~~~~~~~~~~
+
+
+Maintenance
+~~~~~~~~~~~
+
+
+Contributors
+~~~~~~~~~~~~
+* Rajiv Daxini (:ghuser:`RDaxini`)
+

From fa3f0d413202c40bc3c070e6a01929fdf229a6b5 Mon Sep 17 00:00:00 2001
From: Daxini <Rajiv.Daxini@nrel.gov>
Date: Thu, 5 Mar 2026 11:18:31 -0700
Subject: [PATCH 3/3] remove from nomenclature, update whatsnew

---
 docs/sphinx/source/user_guide/extras/nomenclature.rst | 3 ---
 docs/sphinx/source/whatsnew/v0.16.0.rst               | 1 +
 2 files changed, 1 insertion(+), 3 deletions(-)

diff --git a/docs/sphinx/source/user_guide/extras/nomenclature.rst b/docs/sphinx/source/user_guide/extras/nomenclature.rst
index 2bfab1aea3..513671b685 100644
--- a/docs/sphinx/source/user_guide/extras/nomenclature.rst
+++ b/docs/sphinx/source/user_guide/extras/nomenclature.rst
@@ -88,9 +88,6 @@ There is a convention on consistent variable names throughout the library:
     eta_inv_ref
         Reference inverter efficiency
 
-    g_poa_effective
-        Broadband plane of array effective irradiance
-
     gamma_pdc
         Module temperature coefficient. Typically in units of 1/C.
 
diff --git a/docs/sphinx/source/whatsnew/v0.16.0.rst b/docs/sphinx/source/whatsnew/v0.16.0.rst
index ac614b065c..57327a5b3d 100644
--- a/docs/sphinx/source/whatsnew/v0.16.0.rst
+++ b/docs/sphinx/source/whatsnew/v0.16.0.rst
@@ -25,6 +25,7 @@ Enhancements
 
 Documentation
 ~~~~~~~~~~~~~
+* Remove `g_poa_effective` from the :ref:`nomenclature` page (:pull:`2704`)
 
 
 Testing