From 0de04cd5c5fc9742bf56edf72ec0a83a1c61bfcd Mon Sep 17 00:00:00 2001
From: cwasicki <126617870+cwasicki@users.noreply.github.com>
Date: Thu, 7 May 2026 23:42:43 +0200
Subject: [PATCH] Remove default for curtailable flag in PV config

Allows to detect if the flag was not set by the user and let downstream
decide how to handle the unset case.

Signed-off-by: cwasicki <126617870+cwasicki@users.noreply.github.com>
---
 RELEASE_NOTES.md                           | 2 +-
 src/frequenz/gridpool/_microgrid_config.py | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/RELEASE_NOTES.md b/RELEASE_NOTES.md
index d466455..3bec7e4 100644
--- a/RELEASE_NOTES.md
+++ b/RELEASE_NOTES.md
@@ -6,7 +6,7 @@
 
 ## Upgrading
 
-<!-- Here goes notes on how to upgrade from previous versions, including deprecations and what they should be replaced with -->
+* Change the `curtailable` flag default of the PV config to `None`.
 
 ## New Features
 
diff --git a/src/frequenz/gridpool/_microgrid_config.py b/src/frequenz/gridpool/_microgrid_config.py
index d21deb6..b99e6d2 100644
--- a/src/frequenz/gridpool/_microgrid_config.py
+++ b/src/frequenz/gridpool/_microgrid_config.py
@@ -117,7 +117,7 @@ class PVConfig:
     rated_power: float | None = None
     """Rated power of the inverters in Watt."""
 
-    curtailable: bool = False
+    curtailable: bool | None = None
     """Flag to indicate if PV system can be curtailed."""