Resources

Everything you need to know before investing in solar

Residential photovoltaics comes bundled with jargon, subsidy programmes and rules that keep changing. Here we gather the tools and information you need to make an informed decision — from calculators that give you concrete figures, to guides and legislative news explained in plain language.

Tools

Free calculators

Two functional tools, with no account and no mandatory data, that give you concrete answers in a few minutes.

Live

Savings & sizing calculator

Estimate the system power in kWp, the annual production, the savings on your bill and the investment payback — with or without a battery and with the Casa Verde Fotovoltaice subsidy included in the calculation.

Open the calculator
Live

Electricity bill calculator 2026

Break the bill down by component using the 2026 ANRE tariffs and compare supplier and consumption scenarios, so you understand exactly what you are paying for.

Open the calculator
Guides

Guides explained, with sources

In-depth articles about the legal framework and the energy market in Romania — written clearly, with official sources and concrete examples.

Prosumer guide 2026

What it means to be a prosumer, 1:1 offsetting, the Casa Verde subsidies, the real bottlenecks documented by APCE and the complete steps from assessment to certification.

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Distributor and supplier

The two roles on your bill: who delivers the electricity (the distributor, a regional monopoly) and who sets the price (the supplier, whom you can switch for free) — with every operator in Romania.

See the explanation
Library

Content categories

We add new material constantly. Here are the topics we cover, organized by category.

Practical guides

How to become a prosumer step by step, how the offsetting of energy injected into the grid works, how to access the Casa Verde Fotovoltaice programme through AFM and what documents you need. Explained clearly, without unnecessary jargon.

Technical analyses

How a system is sized correctly, the difference between string inverters and microinverters, when a battery is worth it, how shading affects production and what proper maintenance of a residential system means.

Interactive tools

Our calculators and explanations on how to get the most out of them: what data you need, how to interpret the result and how to compare scenarios with and without storage correctly.

Legislative news

The changes that matter for prosumers: ANRE tariffs, connection rules, changes to the offsetting scheme and to the financing programmes. In short, and with the concrete effect on you.

Can’t find the answer to your question?

Write to us or call us — we respond to enquiries within a maximum of 4 hours on working days and explain everything with no obligations.