Germany's 21,459 PV-parks ≥ 500 kWp lost measurably more in 2025 — through §51-EEG penalty windows, pay-as-cleared intraday markets, and grid-operator curtailments. 2026 will be dramatically worse. Stromfee quantifies what every German solar asset really loses — site by site, EEG-class by EEG-class, in minutes.
We measure asset loss from three separable mechanisms, validate each assumption with our own LLM, and source every number to a database query. Operators want hard numbers, not buzzwords.
We sum what's lost across three mechanisms: negative spot prices (§51 EEG removes the market premium), intraday spread (pay-as-cleared dips below day-ahead), redispatch (the grid operator curtails you). Empirically 14 % of annual yield falls in penalty windows.
Stromfee runs a private language model on private hardware — no cloud, no external data leakage, no vendor lock-in. Weekly audits, Q-ID per report, visible as the validator pill in the frontend.
What we put in a report comes from our database — not from gut feeling. If the data base is too thin, we say so. Tests are not reality, backfill is not live. Marketing speak is consistently removed.
Six investor and operator profiles · each with its own report sequence, economics view, and recommended action.
Find the 500 most lucrative German PV-parks before everyone else does — by quantified loss-leverage.
Know what your asset really loses — and what can be done about it. Per asset, per EEG class.
Per-asset ROI arguments for every lead — instead of generic spec sheets.
Quantify pool risk, pay-as-cleared penalty share per region. Real-time spread data.
Find direct-PPA candidates — German logistics hubs ≥ 5,000 m² within 5-15 km of solar parks.
Site planning for the energy transition. Which postcode is BESS-ready, where are the bottlenecks?
Site-level analysis by ZIP or MaStR-ID is open and free of charge. Premium PDF with site-specific compensation review from €299.