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THE SOTH JOURNAL

Energy

Ideas, know-how, and a little inspiration for your connected home.

WORTH A CLOSER LOOK

Energy

A local Home Assistant integration holds Zendure SolarFlow batteries at zero export and now plans charging around Nord Pool prices

A community developer has published Zendure RestAPI, a custom Home Assistant integration that controls Zendure SolarFlow home batteries entirely over the local network. It talks to the battery's own HTTP server through Zendure's zenSDK API, with no Zendure cloud account and no MQTT broker. The author announced it on the Home Assistant forum on 16 O
Oct 17, 2026
4
min read

How to set up the Home Assistant Energy dashboard

Home Assistant's Energy dashboard turns meter readings, solar production and individual devices into one view of what you import, export, produce and store. You can start with a single grid sensor and add solar, battery, gas, water and per-device tracking later. This guide focuses on getting entities into the right shape, wiring them into Settings
Oct 16, 2026
6
min read

Home Assistant 2026.11: Teslemetry will read Powerwall data over the local network every 5 seconds

Teslemetry users with a Tesla Powerwall get faster readings in Home Assistant 2026.11. Pull request #184808 by Brett Adams, merged on 15 October 2026, makes Home Assistant read a paired Powerwall's live values directly over the local network every 5 seconds, and its configuration every 30 seconds. The matching documentation change went into the nex
Oct 15, 2026
3
min read

Home Assistant 2026.11 will let automations cap the power of Daikin air conditioners

The Daikin AC integration in Home Assistant is getting a new action, daikin.set_demand_control. It limits a unit's maximum power to a percentage of its nominal power, for example while electricity is expensive. The change by Fredrik Erlandsson was merged on 14 October 2026, and the documentation, merged a day later, marks it as available from Home
Oct 14, 2026
3
min read

How to read your electricity meter's pulse LED with an ESP32 and ESPHome

The first thing the Home Assistant Energy dashboard needs is how much electricity you take from the grid, and the most direct place to read that is the meter. Some meters make it easy with a standardized local port, like P1 in the Netherlands, Belgium and Luxembourg. Many others, older ones especially, have no data port at all. What most of them do
Oct 14, 2026
11
min read