Usage Pattern Analysis

1144 N Fairview Ave, Goleta, CA 93117 — Mar 2025 to Mar 2026 — 15-min interval data

Annual usage

13,851 kWh

Daily average

37.8 kWh

Average demand

1.58 kW

Peak demand

18.0 kW

Monthly consumption and peak demand

Monthly kWh Peak kW

Daily consumption over the year

Each bar = one day. Red bars (100+ kWh) and amber bars (60+ kWh) suggest intermittent large loads

Hourly demand profile — weekday vs. weekend

Weekday avg Weekend avg Weekday 95th pctile Weekend 95th pctile

Note the dramatic dip at 4-5pm (existing Powerwall discharging) and the late-night peaks (EV charging)

Net usage heatmap — average kWh per hour by month

Positive = grid import | Negative (green) = net export from existing solar

-0.4 kWh

3.8 kWh

Load duration curve

Shows what % of the year demand exceeds each kW level — critical for off-grid sizing

Demand (kW) Above 5kW only 5% of the time | Above 2kW only 22% of the time