Photovoltaics: From Solar Cell to Solar System
Photovoltaics converts sunlight directly into electrical power. This article collection explains the fundamentals, technology, structure and key figures of solar systems – including the economics of your investment.
Guide
Everything about photovoltaics: How it works, components, costs, incentives and the optimal combination with heat pumps.
Read: Photovoltaics: The Complete Guide 2026 →Fundamentals
How does a solar cell work? Photons strike the P-N junction, separate charges and generate usable voltage.
Read: From Photon to Volt: How Does a Solar Cell Work? →
From module to grid feed-in: how modules form strings and where inverter and battery fit in the power path.
Read: Structure of a PV System: From Module to Grid Feed-in →Power Electronics
From DC via inverter to 50 Hz mains supply – including MPPT and single-phase versus three-phase systems.
Read: AC/DC in PV: Inverters and Power Conversion →Storage and Self-Sufficiency
Your ally in poor weather: bridges overcast days and maximises self-consumption.
Read: Battery Storage: Your Ally in Poor Weather →Planning and Sizing
kW, kWh, kWp, efficiency, C-rate – what do these figures mean and how do they assist with planning?
Read: Solar System Key Figures: The Glossary →