Slovak solar terminology: fotovoltika and fotovoltaika
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In Slovak, language specialists recommend fotovoltika and the adjective fotovoltický. You will also see fotovoltaika in searches and product names. Both spellings commonly refer to photovoltaic electricity generation; the spelling does not identify a different technology.
The words used in offers
A photovoltaic cell converts light into direct-current electricity. Cells form a module, usually called a panel. Several modules form an array, and modules connected in series form a string. The inverter converts the electricity for compatible appliances or the grid. FVE is a common Slovak abbreviation for a photovoltaic installation.
Solar is a broader word than photovoltaic. Solar thermal collectors produce heat, usually for water. A quote for solar collectors cannot be compared with a PV quote by counting panels alone.
Power, energy and control
Wp and kWp describe rated peak panel or array power under test conditions. kW describes power at a particular moment; kWh describes an amount of energy. A 10 kWh battery is not automatically capable of supplying 10 kW.
MPPT means maximum power point tracking. It is a controller function that adjusts the electrical operating point of the panels. Hybrid refers to an inverter's supported system functions; it does not, by itself, promise whole-home backup.