Gas — Metro

Harbor City Gas (synthetic)

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Aggregation Weather normalization M&V savings Benchmarking (EUI) Load & demand Seasonal & outdoor use Distribution & inequality Energy burden Map & clustering Class × time Differential privacy Data quality

Disclosure control Suppression k = 15 1 customer ≤ 15% complementary on Methods & formulas

Median EUI

85.3

kBtu/ft²/yr

Buildings benchmarked

1200

with floor area & ≥ 2 months

Method & basis

EUI & benchmarking: EPA ENERGY STAR Portfolio Manager; DOE/EIA CBECS. Energy conversion: 1 kWh = 3.412 kBtu; 1 therm = 100 kBtu (EIA).

EUI distribution across buildings

Each building's annualized EUI (published classes only — buildings in a below-minimum class are withheld); the spread shows efficiency variation.

By customer class

Class	Buildings	p25	Median site EUI	p75	Source EUI	vs nat'l avg
RESIDENTIAL	995	53.7	85.4	138.1	89.7	285%
COMMERCIAL	174	38.2	83.3	172.7	87.5	119%
INDUSTRIAL	31	34.8	108.8	174.7	114.2	—

Classes with fewer than 15 buildings are withheld (k-anonymity; Sweeney 2002, ESSnet SDC Handbook).
Source EUI: EPA Source Energy Technical Reference. “vs nat'l avg” is coarse all-fuel sector context (CBECS 2018 / RECS 2020), not the official ENERGY STAR 1–100 score (which needs property-type operational data + EPA's model). Pinned reference constants v2024.1.