There was unprecedented interest in the first exclusive webinar for the new Guardexy cyber shield, with more than 40 representatives of installation companies joining. They confirmed a trend that the energy sector is addressing ever more loudly: cybersecurity is no longer a marginal topic, but a necessary component of modern photovoltaics.
Guardexy: A Czech shield for Czech and European photovoltaics
The innovation was presented to partners by Martin Novák, Technical Director of SOLSOL, and Svetozár Nosko from MaNoSens, a member of the Guardexy development team. Both companies combined years of know-how from the energy and IT sectors to create the first purely Czech solution that combines hardware, software, real-time data analysis, and smart algorithms.
Interest is coming not only from the Czech Republic but also from abroad — and positive feedback is already being heard from the inverter manufacturers themselves.
Why Guardexy was created
In recent years, the National Cyber and Information Security Agency has repeatedly warned of the risks associated with Chinese photovoltaic inverters. SOLSOL and MaNoSens responded with their own IT solution: protection that allows power plant owners to secure their installation without the need for an expensive inverter replacement.
Simply connect an affordable device — a small but powerful “firewall” between your power plant and the world beyond it.
What Guardexy can do
Guardexy provides affordable and effective protection for households, businesses, and municipalities. It responds to the new Cybersecurity Act and addresses the need to filter commands coming into the inverter from the outside: some safe, others risky, and some completely unknown.
Key features of Guardexy
🔹 Recognizes where a command came from — whether from the user or the manufacturer’s cloud system
🔹 Analyzes and filters suspicious data flows in real time
🔹 Allows individual settings for commercial installations
🔹 Does not restrict smart home systems (ALFRED.energy, Loxone, etc.)
🔹 Works seamlessly with dispatch control
🔹 Enables audit logs in accordance with the Cybersecurity Act
🔹 Respects IT standards — no intervention by an IT company is required at the client’s site
🔹 It is a completely Czech product, manufactured in Brno, with essential components from the EU
With the growing risk of blackouts, responsibility also grows – not only for the operation of one’s own power plant but for the stability of the entire distribution grid. Guardexy is therefore not just a personal protective shield. It also helps protect the broader energy infrastructure.
When will Guardexy be available?
Sales start on December 1, 2025.
Pre-orders are already open at www.guardexy.eu
Subsidies from the IROP program can be used for municipal photovoltaics.
Guardexy is currently fully compatible with SolaX and Growatt inverters. Other brands will be added in Q1 2026: HUAWEI, Sungrow, and GoodWe.
Become one of our first partners
- Managing projects with an emphasis on data security
If you are preparing projects where cybersecurity needs to be addressed — especially with regard to the new law — please contact us. We would be happy to include you among our first partners.
- Interested in an individual solution
Are you looking for cybersecurity for your key customers? Contact us immediately and you will have top-tier technical support directly from SOLSOL at your disposal.
- Guardexy under your flag
We have good news for those interested in white-labeling the product: Guardexy can also serve under your brand, including integration into your portals and custom dashboard graphic designs.