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Home Energy Storage Right-Sizing Calculator for German Heat-Pump Owners

COLD✧ v8consumer energy / proptechWestern Europe16 Mar 2026

One-Liner

A consumer calculator helping German heat-pump owners size a home battery correctly for their use case, using sodium-ion BESS for better winter performance.

AI Thinking Process

Internal saturation detected: this is a 4th sodium-ion-adjacent idea (after T1, T8, T15). The session is clustering around sodium-ion. No genuine capability change drives T16 beyond what has already been explored — heat-pump sizing tools are well-established. Breaking the cluster.

Direction skipped: internal sodium saturation. Sonnen, Tesla Powerwall configurator, EnerSys already serve home battery sizing. Competitor landscape + internal session saturation = pre-kill.

Kill Reason

Internal session saturation: three sodium-ion ideas (T1, T8, T15) had already been examined in this session before T16 was considered. The engine was clustering around sodium-ion, not exploring genuinely distinct territory. Additionally, home battery sizing tools (Sonnen, Tesla Powerwall configurator, EnerSys) already exist for this use case.

AI Self-Correction

Initial conviction
0%
After verification
0%

↑0pts — confidence held or increased after verification

Risk Analysis

Risk analysis available for latest engine ideas.

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