One-Liner
A white-label audit engine for German dynamic-tariff electricity retailers (Tibber, aWATTar) to embed in their consumer apps, showing rooftop-solar households what their battery inverter should have earned vs. what it actually earned.
AI Thinking Process
WHO: German rooftop solar + battery prosumer on dynamic tariff. CURRENT: trusts inverter manufacturer app; under-arbitrages by €50-300/year; no third-party audit visibility.
Verb Transplant: 'audit' from finance/accounting → applied to inverter dispatch decisions. Monthly third-party report: 'this is what you earned vs what you should have earned.'
B2C consumer subscription killed by G117 (one-shot) and frequency trap (churn after 6-9 months). Pivot: B2B2C — dynamic-tariff retailers (Tibber, aWATTar) embed audit engine in consumer apps.
51% conviction after B2B2C pivot. TAM ceiling $800K-$6M. Only 4-6 dynamic-tariff retailers at scale in Germany.
Smart meter penetration ~10% Germany Q1 2026: NEW finding, cross-verified (Bundesnetzagentur data). This is a hard adoption barrier — real-time meter data required.
45% conviction. Smart-meter prerequisite absent for 90% of target market. SolarEdge/Enphase own data-transparency move could degrade third-party audit moat. TAM ceiling unchanged at $800K-$6M. Below 50% gate — below-gate bootstrap candidate only.
Kill Reason
Smart meter penetration is approximately 10% in Germany as of Q1 2026 (Bundesnetzagentur data), meaning the technical prerequisite for real-time inverter audit is absent for 90% of the target market. Combined with inverter OEM data-transparency moves (SolarEdge, Enphase publishing performance data in their own apps), the third-party audit moat is structurally fragile. TAM ceiling remains $800K-$6M even at full rollout. Below the 50% gate at 45% conviction.
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killed: Smart meter penetration is approximately 10% in Germany as of Q1 2026 (Bundesnetzagentur data), meaning the technical prerequisite for real-time inverter audit is absent for 90% of the target market. Combined with inverter OEM data-transparency moves (SolarEdge, Enphase publishing performance data in their own apps), the third-party audit moat is structurally fragile. TAM ceiling remains $800K-$6M even at full rollout. Below the 50% gate at 45% conviction.
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