From f216590a78522dbb72b46ddaf2f563181ab602a9 Mon Sep 17 00:00:00 2001
From: AndrolGenhald <AndrolGenhald@users.noreply.github.com>
Date: Tue, 2 Dec 2025 02:09:38 -0600
Subject: [PATCH] Fix energy total non-monotonicity. (#24184)

---
 tasmota/tasmota_xdrv_driver/xdrv_03_energy.ino | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tasmota/tasmota_xdrv_driver/xdrv_03_energy.ino b/tasmota/tasmota_xdrv_driver/xdrv_03_energy.ino
index b306a87cf..b20d32742 100644
--- a/tasmota/tasmota_xdrv_driver/xdrv_03_energy.ino
+++ b/tasmota/tasmota_xdrv_driver/xdrv_03_energy.ino
@@ -422,9 +422,9 @@ void Energy200ms(void) {
           Settings->energy_kWhexport_ph[i] = RtcSettings.energy_kWhexport_ph[i];
 
           Energy->period[i] -= RtcSettings.energy_kWhtoday_ph[i];     // this becomes a large unsigned, effectively a negative for EnergyShow calculation
-          Energy->kWhtoday[i] = 0;
+          Energy->kWhtoday[i] = Energy->kWhtoday[i] % 100;            // Roll fractional watt-hours into the next day since kWhtotal truncates to watt-hours.
           Energy->kWhtoday_offset[i] = 0;
-          RtcSettings.energy_kWhtoday_ph[i] = 0;
+          RtcSettings.energy_kWhtoday_ph[i] = Energy->kWhtoday[i];
           Settings->energy_kWhtoday_ph[i] = 0;
 
           Energy->start_energy[i] = 0;