OpenSolar Blog
Stay informed with expert commentary, industry updates, and actionable insights on the latest solar and sustainability trends and developments.
OpenSolar Stays Free. Pay Only for API Access and App Connectors
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.
The Sub-Zero Challenge: Why Some Battery Systems Stop Charging and How to Prevent It
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 in 2026: Record Growth Meets Grid Constraints
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.
How Germany is Setting the Bar For Solar Safety With VDE Certification
Germany leads in solar safety with rigorous VDE certification. Huawei’s VDE-certified inverters ensure safe, reliable, and long-lasting systems, and OpenSolar makes integrating them effortless.
Solving Energy Insecurity at Kaloko Clinic with Solar PV and Batteries
Unreliable power put lives at risk at Kaloko Clinic in Ndola, Zambia. Through OpenSolar’s 1% commitment with Empowered by Light, solar and batteries now deliver uninterrupted energy, safer births, and protected vaccines.
Turning Feedback into Features: The Powerful New CashFlow 3.0 Payment Engine
With the launch of OpenSolar 3.0, we introduced a new era for solar professionals: a single, AI-powered operating system to run your entire business. A critical part of that “end-to-end” vision is ensuring the workflow from “first contact” to “final payment” is seamless.
The Future Is Solar: 3 Things I Learnt as an OpenSolar Intern
OpenSolar intern, Ollie, debunks the biggest myths about solar energy and reveals why it’s time our education systems caught up with today’s clean energy reality.
Meet Expo: The Conference That Never Closes
Forget waiting for the next trade show. With Expo, OpenSolar brings the solar industry to you — an always-open virtual conference that helps you find everything you need to design and sell solar.
From Layout to Checkout: Creating Purchasable BoMs with Auto Design Templates
Design faster, order smarter. With OpenSolar 3.0, Auto Design and custom templates turn layouts into accurate, purchasable BoMs in seconds. One-click ordering with Shop means no copy-paste, no errors — just ready-to-install solar systems, faster than ever.
How Smarter Energy Storage Is Powering the UK’s Net Zero Future
Smart energy storage is transforming the UK’s energy system. By combining on-site renewable batteries with networks of home and business storage, we can reduce waste, support the grid, and accelerate the journey to a cleaner, more efficient, and cost-effective net zero future.