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Palmetto Energy Center
80 MW solar + 40 MW / 160 MWh BESS
Owned
Kinney County, TX
Last updated: Apr 30, 2026 · COD: Feb 2024
Daily GenerationSCADA
478 MWh
30-day avg (expected: 492 MWh)
AvailabilitySCADA
96.4%
30-day (owned, no SLA)
Performance RatioComputed
82.1%
Weather-adjusted, 30-day
Generation GapComputed
-2.8%
vs weather-adjusted model
SLA StatusContract
N/A (Owned)
No contractual exposure
Revenue ImpactComputed
No exposure
Owned asset
Work OrdersCMMS
3 open (1 critical)
BESS warranty review
DispatchField Ops
HVAC-3 swap May 3
Vendor scheduled
AI Observations
3SOH at 91.8% — outside expected range at 18 months
BatteryCritical
Trending toward 80% threshold by month 42 vs expected 84+. Warranty review needed.
Confidence High·
BMSCapacity test
HVAC-3 failure on Apr 18 — rack 3 shows 0.4% extra fade
ThermalConcern
Rack 3 ran >35°C for 6h. Derated until HVAC replacement May 3.
Confidence High·
BMSHVAC log
RTE declining 0.3%/month — 6× expected rate
PerformanceWatch
Correlates with cell resistance rise in racks 3, 7, 12.
Confidence Medium·
Computed RTECell resistance
Battery Status
State of Health91.8%Expected: 96% at 18moBMS
Round-Trip Eff83.4%Baseline: 89.1%Computed
Capacity Fade8.2%Expected: 2-4% at 18moComputed
Equivalent Cycles412 EFCSince COD (18mo)BMS
Thermal Events (30d)2HVAC-3 + cell anomalySCADA
Availability94.2%30-daySCADA
SOH Trend — Actual vs Warranty Curve
State of Health since COD vs warranted degradation curve. Gap widening since month 12.
Rack Temperature Heatmap
16 battery racks. Rack 3 elevated due to HVAC-3 failure (Apr 18).
Rack 1
26°C
Rack 2
28°C
Rack 3
38°C
Rack 4
27°C
Rack 5
24°C
Rack 6
26°C
Rack 7
28°C
Rack 8
25°C
Rack 9
27°C
Rack 10
24°C
Rack 11
26°C
Rack 12
33°C
Rack 13
25°C
Rack 14
27°C
Rack 15
24°C
Rack 16
26°C