Based on data from Germany's Marktstammdatenregister (the official energy asset registry) as of 15 June, the Bundesnetzagentur projects total solar PV additions for May 2026 at 1,335.7 MW. The figure already accounts for expected late registrations. By mid-June, around 73,800 new systems had been logged, representing 1,175.5 MW of confirmed capacity.
Germany's cumulative solar capacity nears 124 GW
Ground-mounted utility-scale solar parks continued to outpace rooftop systems: approximately 680 MW of new large-scale capacity was registered in May, compared to 433 MW from some 27,817 new rooftop installations. This trend has held in every month of 2026 except January, with year-to-date totals of roughly 3,375 MW for solar parks versus 2,530 MW for rooftop PV.
Plug-in balcony solar remains stable
Wholesale energy distributor EWS noted in a separate analysis that market activity is recovering faster than registry numbers currently suggest, and that the regulator's 15% buffer for late-reported installations may be too conservative. The April revision supports this: the Bundesnetzagentur initially forecast 1,160 MW for April, a figure that has since been revised up to 1,250 MW.
Source: Bundesnetzagentur geht von knapp 1336 Megawatt Photovoltaik-Zubau im Mai aus - PV Magazine Deutschland· Based on source, with AI-assisted rewriting.
Related articles
How Much Do Solar Panels Produce in Winter? Realistic Numbers
Winter output from a rooftop solar system is a fraction of the summer peak: shorter days, a low sun, cloud and snow mean that the four darkest months together typically deliver only around a tenth to a fifth of the annual yield, depending on latitude. This guide sets realistic month-by-month expectations, explains what winter means for self-consumption and your bill, shows how a battery and smart scheduling help, and why you should never size a system for December.
Pre-Season Heat Pump Checklist: What to Check in September
A heat pump does most of its work in the coldest months, but how much electricity it burns doing so is largely decided in September. Here is what homeowners can check themselves, from the outdoor unit to the heating curve, what to leave to a qualified engineer, and how to get the most out of rooftop solar in the autumn months.
Air conditioning on solar power: what summer cooling really costs in 2026
In a heatwave, air conditioning becomes one of the biggest loads in a household — exactly when solar panels produce the most. We look at what cooling costs with and without solar, how much extra capacity you need, and what to watch for when sizing a system.
Heat Pump, Solar & H Tariff: How to Plan Together
Combining a heat pump, rooftop solar panels and a preferential electricity tariff can significantly cut household energy bills — but only if you plan all three as one integrated system. This guide walks through the decision logic, common mistakes and key considerations for homeowners.
Comments
0 commentsBe the first to comment.