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Battery Arbitrage Economic Case (Sezibwa)
Data provenance Underlying data: the aggregate meter meter_100 plus the 10 customer sub-meters, over 2026-03-19 to 2026-08-10, from the modbus energy-logger archive (sources: pi-direct and nextcloud-import), i.e. the pre- and early-OpenEMS period. Load basis i...
Optimal Solar and Battery Allocation (Sezibwa)
Data provenance Underlying data: the aggregate meter meter_100 plus the 10 customer sub-meters, over 2026-03-19 to 2026-08-10, from the modbus energy-logger archive (sources: pi-direct and nextcloud-import), i.e. the pre- and early-OpenEMS period. Load basis i...
Battery Price Break-Even (Sezibwa)
Data provenance Underlying data: the aggregate meter meter_100 plus the 10 customer sub-meters, over 2026-03-19 to 2026-08-10, from the modbus energy-logger archive (sources: pi-direct and nextcloud-import), i.e. the pre- and early-OpenEMS period. Load basis i...
Phase Balancing Recommendation (Sezibwa)
Recommendation for re-assigning Sezibwa's single-phase customers across the three phases of the SRNE three-phase inverter, to fix a severe load imbalance. Uses meter IDs; the site operator maps these to customers. Implementation status (2026-08-24) The two min...
OpenEMS Backend InfluxDB Data Model and Edge-ID Collision
[!warning] Verification statusThe storage-key collision vulnerability is confirmed in source code, and the repository contains a real configured collision. However, the vulnerability alone does not prove that Hillary data contaminated the current Sezibwa Pi2 ...
Sezibwa meter replacement log
Sezibwa meter replacement log One entry per customer meter swap at Sezibwa (gateway gw-pi2). Record every system that points at a meter serial, because each one must be switched separately: the OpenEMS gateway config, the customer app (meter_sources) and the b...
Solar Sizing Re-run, Sept 2026 (600 Wp panels)
This page re-runs the solar sizing from Solar Plus Battery Economic Case (Sezibwa) on three months of live OpenEMS load. It answers one question: is 7 to 8 panels (600 Wp each) still the best PV size for Sezibwa, and does it cut the energy bill in half? Answer...
Arbitrage Tracker (gw-pi2, Sezibwa)
Cumulative record of the TOU battery arbitrage on gw-pi2 (Sezibwa). Each night the inverter discharges the battery during a peak-tariff window and recharges it from the grid at the off-peak rate from 00:00. Daily progress goes to the Element business room; thi...
Arbitrage Window and Thresholds (decision record)
This page records how the nightly TOU arbitrage window and battery thresholds at Sezibwa (gw-pi2) were chosen and changed. For the running night-by-night results see the Arbitrage Tracker. The engineering record is ADR-016 in the microgrid-gateway repository. ...
NFE Daily Brief (gw-pi2, Sezibwa)
NFE daily brief Written each morning by Claude Haiku from the day's data. Newest first, last 30 days. 2026-10-13 Daily brief, Sezibwa Rentals battery, 13 October 2026 The evening arbitrage window ran from 89% to 15% battery charge, discharging 7.5 kWh. The bat...