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Connected to the grid, saving from day one

On-Grid Systems

Grid-connected self-consumption systems (UPAC, the self-consumption production unit), registered with the DGEG, the Portuguese energy authority, with the option of selling surplus power.

System types

Pick one of the three: the diagram and the explanation change right here, without leaving this page.

Instant savings, with the sun paying the bill

On-grid means connected to the power grid. It's the simplest and cheapest option: no batteries. It saves you money during the day, which is when the sun is working.

Exporting to the grid11:00
3.6 kWproducing3.5 kWconverting0.8 kWconsuming2.8 kWsending1. SUNlight that comesfor free2. PANELSturn lightinto electricity3. INVERTERconverts it to thepower in your socketsBATTERYno batteryincluded4. YOUR HOMEuses your ownenergy first5. GRIDtakesthe surplus

The house is covered and the battery is full. The surplus goes to the grid.

ProductionConsumptionGrid

A typical day, added up

Production40.1 kWh
Consumption26.7 kWh
Self-consumption44%without battery
Savings€2.13energy you didn't buy
CO₂ avoided2.2 kg

Example figures, to show how the system behaves over a day. The savings use an average price of €0.1834/kWh. Your own system's readings live in the Client Area.

Without a battery, if the power goes out in the street, the house loses power too.

See on-grid products

Need advice on on-grid systems?

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.

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