Solar Site Analysis — San Diego, CA 92101

Utility: San Diego Gas & Electric CoRate: TOU-DR1 (bundled 2024 schedule)Source: bundled_touExport: NEM 3.0 (CA)Geocode: uszips (medium)

Overview

Net Cost ⓘ

$11,025

After 30% ITC

LCOE ⓘ

$0.074

per kWh

Payback ⓘ

6.6 yr

simple payback

NPV ⓘ

$13,251

25-year horizon

IRR ⓘ

15.7%

internal rate of return

CO2 Avoided ⓘ

3.1 t/yr

metric tons

Resource (25%) ⓘ

94%

1,698 kWh/kW

Economics (50%) ⓘ

100%

Payback + LCOE + NPV

Site Fit (15%) ⓘ

100%

Tilt Δ0° Az Δ0°

Market (10%) ⓘ

64%

Local adoption signal

Financial Analysis

Decision Support

Assumptions & Methodology

All parameters below are overridable via the Assumptions dataclass. Electricity rate source: override ($0.432/kWh).

Parameter	Value
`system_life_years`	25
`degradation_rate`	0.005
`discount_rate`	0.06
`om_cost_per_kw_year`	$20.0
`federal_itc`	0.3
`electricity_price_override`	$0.4324098173515981
`electricity_escalation`	0.025
`nem_export_ratio`	0.1270174933758546
`self_consumption_rate`	0.4
`co2_intensity_tons_per_kwh`	0.0004
`default_price_per_watt`	$3.5

Rate Schedule

▸ What We Assumed — Full Provenance

Resolved Address	San Diego, CA 92101
Coordinates	32.7185, -117.1593
Geocode Source	uszips (medium)
PVWatts Station Distance	2,209 m
Utility	San Diego Gas & Electric Co
Rate Schedule	TOU-DR1 (bundled 2024 schedule)
Rate Source	bundled_tou
TOU Rate	Yes
Fixed Monthly Charge	$16.00
Export Policy	NEM 3.0 (CA)
Avg Export Rate	$0.0549/kWh
System Size	4.5 kW
Sizing Method	user_specified
System Lifetime	25 years
Panel Degradation	0.5%/yr
Discount Rate	6.0%
O&M Cost	$20 /kW/yr
Federal Tax Credit (ITC)	30%
Electricity Rate Used	$0.4324 /kWh
Rate Escalation	2.5%/yr
NEM Export Ratio	0.13
Self-Consumption	40%
Grid CO2 Intensity	0.0004 t/kWh
Default Install Cost	$3.50 /W