PanelCensus

Day One Solar

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Solar installer based in California · installer record #3398 resolved from 308 public installation records.

Recorded installs
308
Total capacity
2.9 MW
DC nameplate
Median system
5.9 kW
≈ $24,000
Median price
$4.03/W
pre-incentive
Third-party owned
0%
lease / PPA
Battery attach
15%
First recorded
2013
Last recorded
2023

Track record

Install volume by year

2013
3
2014
27
2015
37$4.10/W
2016
29$4.15/W
2017
21$3.93/W
2018
26$3.06/W
2019
25$3.11/W
2020
26$3.58/W
2021
31$4.09/W
2022
45$4.33/W
2023
38$4.96/W

Bars: recorded installs · right column: this installer's median $/W that year.

Latest records

Most recent recorded installs

DateLocationSizePriceOwnership
Dec 28, 2023Santa Cruz, CA7.2 kW$30,715Host-owned
Dec 28, 2023Santa Cruz, CA3.2 kW$23,572Host-owned · battery
Dec 26, 2023Santa Cruz, CA10.8 kW$90,000Host-owned · battery
Dec 4, 2023Capitola, CA5.7 kW$27,429Host-owned
Nov 27, 2023Ben Lomond, CA7.8 kW$32,323Host-owned
Nov 13, 2023Soquel, CA13.9 kW$54,975Host-owned
Sep 25, 2023Santa Cruz, CA4.1 kW$26,629Host-owned
Sep 22, 2023Aptos, CA9.1 kW$42,507Host-owned
Sep 14, 2023Aptos, CA11.4 kW$34,474Host-owned
Sep 5, 2023Santa Cruz, CA5.1 kW$2,909Host-owned

Service geography

California
308

Busiest cities

Santa Cruz, CA 169Aptos, CA 31Scotts Valley, CA 25Watsonville, CA 14Soquel, CA 12Los Gatos, CA 7Boulder Creek, CA 7Felton, CA 6

Record

Installer ID
PC-3398
First recorded install
Nov 17, 2013
Last recorded install
Dec 28, 2023
Priced records
246

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Frequently asked questions

How many solar installations has Day One Solar completed?

The Tracking the Sun dataset records 308 installations by Day One Solar, from Nov 17, 2013 to Dec 28, 2023, totalling 2.9 MW of capacity. Dataset coverage varies by state, so actual totals may be higher.

What does Day One Solar charge for solar?

The median installed price across 246 priced systems is $4.03/W pre-incentive (median system 5.9 kW, ≈ $24,000). Third-party-owned (lease/PPA) share: 0%.

Where does Day One Solar install solar?

Recorded installs span 1 state, led by California (308).

Dataset updated . Source: LBNL Tracking the Sun public dataset; installer resolved by exact-normalized name matching.