Starting 16 April 2026, the core OpenSolar app stays free, and charges apply only to moving data in and out of the platform through API Access and supported connectors to third-party tools. OS 3.0 is the latest version of OpenSolar, built to support an end-to-end solar workflow in one place.

When temperatures drop below zero, many lithium battery systems stop charging, not due to a fault, but to protect the battery. Learn why this happens and how modern ESS solutions with intelligent thermal management keep systems charging, efficient, and reliable all winter long.

The UK solar market is entering a new phase, where rapid growth is colliding with the realities of grid capacity, governance, and delivery. This article explores what 2025 revealed about the system’s limits, and what those lessons mean for the market in 2026.