Our blog.
Ideas, analysis and news on energy, water, waste and carbon.
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EU wants to curb “high-risk” inverters: energy security becomes a priority
The European Union wants to restrict inverters considered high risk in EU-funded projects, reinforcing the importance of cybersecurity and auditable origin in solar equipment.
Published on 2026-05-06
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Is your photovoltaic system ready for extreme weather conditions?
A photovoltaic system’s resilience to rain, wind, snow or storms depends less on the weather and more on the quality of the design, installation and technical follow-up.
Published on 2026-01-26
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Support for renewable energy in agriculture in 2026
Ordinance No. 481/2025 opens the way for support for self-consumption, batteries, energy efficiency and energy systems linked to water management in the agricultural sector.
Published on 2026-01-07
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Smart parking and charging for electric bicycles and scooters
The Helios solution combines secure parking, smart charging and solar pavement to support light urban mobility in municipalities, companies, universities, shopping centres and condominiums.
Published on 2025-05-27
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Chinese inverters with ghost communications: the risk many ignore
An analysis of the risk of undocumented communications in solar inverters, the implications for European energy cybersecurity and Enbiente’s technical criteria for selecting auditable equipment.
Published on 2025-05-12
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The blackout that stopped Portugal: why energy autonomy can no longer wait
The April 2025 blackout revealed the vulnerability of full dependence on the electricity grid and reinforced the urgency of solar systems with storage, full backup and real energy autonomy.
Published on 2025-04-29
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Solar Panels and IMI: Debunking Fake News
A clarification of the false idea that installing solar panels increases IMI property tax, explaining the legal context, fiscal benefits and property value impact.
Published on 2025-02-07
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Portugal: A Clean Energy Leader in Southern Europe
An analysis of Portugal’s role in the energy transition, focusing on renewables, solar, wind, self-consumption, storage and grid challenges.
Published on 2025-01-16
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4 Mistakes to Avoid When Buying a Photovoltaic System
Four common mistakes when buying photovoltaic systems: choosing only by price, ignoring quality, poor sizing and neglecting after-sales support.
Published on 2024-01-22
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How to Sell Surplus Energy Produced by a Photovoltaic System
Guide to solar self-consumption and surplus sale, including legalisation, bidirectional meter, producer CPE and Enbiente support.
Published on 2023-11-28
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Solar Pavement: innovation that moves electric vehicles
Introduction to Solum’s Solar Pavement, Arena, Helios and Helios-G solutions, and their potential for sustainable urban charging.
Published on 2023-03-16
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How Long Do Solar Panels Last?
Explanation of solar panel durability, factors that extend lifespan, maintenance and the importance of certified brands and installation.
Published on 2023-03-10
