Residential BESS Cycle-Life Degradation, Calendar Aging, and Ambient Temperature Derating Benchmark Matrix
Empirical capacity fade kinetics across 1,000–6,000 equivalent full cycles (EFC) and -10°C to 45°C ambient thermal derating for residential LiFePO4 and NMC storage under IEEE 485.
1. Abstract & Dataset Scope
Provides empirical and deterministic benchmark matrices modeling capacity retention (Q/Q0) and internal resistance growth (R/R0) in residential stationary battery storage systems as a function of equivalent full cycles (1,000 to 6,000 EFC), depth of discharge (50%, 80%, 100% DoD), and ambient operating temperature (-10°C to 45°C). Contrasts robust LiFePO4 cycling longevity against higher-energy-density NMC chemistries, incorporating Arrhenius thermal acceleration modeling and sub-zero charge-transfer limitations under IEEE Std 485 and UL 1973.
2. Experimental & Simulation Methodology
Synthesized from published NREL BLAST (Battery Lifetime Analysis and Simulation Tool) and Sandia National Laboratories stationary storage cycling test datasets, cross-validated with manufacturer warranty degradation curves (IEC 62619 / UL 1973) under controlled 0.5C charge/discharge cycling across 100% to 50% DoD windows and -10°C to 45°C ambient thermal profiles.
3. Data Dictionary & Variable Definitions
| Variable Name | Symbol | Unit | Type | Description | Example |
|---|---|---|---|---|---|
| Battery Chemistry | Chem | Chemical Formula | String | Cathode chemistry classification (LiFePO4 vs NMC) | LiFePO4 |
| Equivalent Full Cycles | EFC | Cycles | Integer | Cumulative full throughput cycles (throughput kWh ÷ nameplate kWh) | 3000 |
| Operating Depth of Discharge | DoD | % of Nominal | Float | Routine operational discharge swing percentage | 80 |
| Ambient Cell Temperature | T_amb | °C | Float | Surrounding ambient operating temperature | 25 |
| Capacity Retention | Q_retention | % of Initial | Float | Available usable capacity relative to factory nameplate rating | 88.5 |
| Internal Resistance Growth | R_growth | Ratio (R/R0) | Float | Ohmic and charge-transfer impedance rise relative to initial baseline | 1.22 |
| Calendar Fade Rate | Fade_cal | % / Year | Float | Non-cycling calendar capacity degradation at 25°C and 50% SoC | 1.2 |
4. Sample Data Records Preview
Displaying 6 representative rows (Full dataset contains 180 Records)| chemistry | cycles efc | dod pct | temp c | capacity retention pct | r internal growth | status |
|---|---|---|---|---|---|---|
| LiFePO4 | 1000 | 80 | 25 | 96.2 | 1.06 | Active |
| LiFePO4 | 3000 | 80 | 25 | 88.5 | 1.22 | Active |
| LiFePO4 | 5000 | 80 | 25 | 81.4 | 1.38 | Active |
| LiFePO4 | 3000 | 80 | 0 | 80.2 | 1.55 | Derated |
| LiFePO4 | 3000 | 80 | 45 | 82.1 | 1.34 | Thermal Stress |
| NMC | 1000 | 80 | 25 | 91.8 | 1.15 | Active |
| NMC | 2000 | 80 | 25 | 82.4 | 1.36 | Active |
| NMC | 3000 | 80 | 25 | 73.1 | 1.62 | Sub-80% EOL |
5. Dataset Citation (BibTeX / APA / IEEE)
When referencing this dataset in academic preprints, technical reports, or computational tooling, please cite using the standard DataCite DOI reference below:
APA Style
IEEE Style
BibTeX Record
@dataset{powerlab_2026_bess_degradation_dataset,
author = {{PowerLab Clean Energy Engineering Group}},
title = {Residential BESS Cycle-Life Degradation, Calendar Aging, and Ambient Temperature Derating Benchmark Matrix},
year = {2026},
publisher = {Figshare},
version = {1.0.0},
doi = {10.6084/m9.figshare.33968602},
url = {https://www.powelab.org/datasets/residential-battery-storage-degradation-and-thermal-loss-benchmark}
}