ESP32 electricity price ticker fetches ENTSO-E market prices for today (and tomorrow after 13:50) for 35+ European countries with 99% reliability. Includes boot recovery, NVS price storage, VAT/fees calculations & smart automation sensors. Perfect for energy optimization. Version 4.2.0 Requires ESPHome 2025.12.0+ (for ESP-IDF support).
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Updated
Feb 2, 2026 - C++