No jargon and no empty promises: what you need to know before, during and after installing solar in Portugal.
It connects to the panels in direct current, needs no separate battery or inverter, and cools with the sun during the hours when the house heats up most. It is not for everyone — but for those it suits, it suits them very well.
28 August 2026 · 5 min read
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Your electricity bill tells you how much you used, not when or on what. Without that information, sizing is guesswork — and that is where money gets lost.
2 August 2026 · 4 min read
Two proposals for the same house can differ by €3,000 and look identical on paper. The difference almost always lies in what isn't written down.
26 July 2026 · 5 min read
Panels on their own switch off when the grid goes down. We explain why, and what the real backup options are — from the cheapest to the most complete.
12 July 2026 · 3 min read
What a UPAC (a self-consumption production unit) is, how selling surplus works and what has changed in Portuguese legislation this year.
18 June 2026 · 1 min read
Up-to-date prices by system size, what is (and isn't) included in a quote, and the signs of a proposal you shouldn't take seriously.
30 May 2026 · 1 min read
When storage pays off, how many kWh you need and how to assess the cost per cycle.
12 May 2026 · 1 min read
Wallboxes, solar mode, contracted power and the mistake that has many people charging from the grid without realising it.
22 April 2026 · 1 min read
Deadlines, documents, costs and what happens if you install without registering.
15 March 2026 · 1 min read
We analysed a full year of bills in Braga, Lisbon, Évora and Faro. These are the numbers.
8 February 2026 · 1 min read
Ask for a free assessment, with no obligation: we go through your bill, your roof and how you use electricity, and come back with real numbers.