PanelCensus

Western Sierra

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Solar installer based in California · installer record #13815 resolved from 140 public installation records.

Recorded installs
140
Total capacity
930 kW
DC nameplate
Median system
6.4 kW
≈ $29,040
Median price
$4.45/W
pre-incentive
Third-party owned
1%
lease / PPA
Battery attach
7%
First recorded
2011
Last recorded
2023

Track record

Install volume by year

2011
2$6.98/W
2012
5$5.25/W
2013
7$2.96/W
2014
9
2015
10$4.21/W
2016
12$3.99/W
2017
8$4.25/W
2018
11$4.37/W
2019
14$4.98/W
2020
13$4.58/W
2021
10$4.39/W
2022
12$4.58/W
2023
27$4.50/W

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

Latest records

Most recent recorded installs

DateLocationSizePriceOwnership
Dec 20, 2023Walnut Creek, CA8.8 kW$71,700Host-owned · battery
Dec 6, 2023Concord, CA6.5 kW$29,160Host-owned
Nov 22, 2023San Anselmo, CA10.4 kW$73,800Host-owned · battery
Oct 9, 2023Concord, CA8.5 kW$34,400Host-owned
Sep 29, 2023Martinez, CA6.2 kW$23,800Host-owned
Sep 27, 2023Walnut Creek, CA7 kW$31,675Host-owned
Aug 17, 2023Discovery Bay, CA5 kW$20,800Host-owned
Jul 18, 2023Pleasanton, CA6.5 kW$26,568Host-owned
Jul 14, 2023Discovery Bay, CA6.6 kW$51,168Host-owned · battery
Jul 14, 2023Hercules, CA6.4 kW$26,880Host-owned

Service geography

California
140

Busiest cities

Walnut Creek, CA 18Concord, CA 14Martinez, CA 10Oakland, CA 7Alamo, CA 5Antioch, CA 5Benicia, CA 5Orinda, CA 5

Record

Installer ID
PC-13815
First recorded install
Jul 15, 2011
Last recorded install
Dec 20, 2023
Priced records
121

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Frequently asked questions

How many solar installations has Western Sierra completed?

The Tracking the Sun dataset records 140 installations by Western Sierra, from Jul 15, 2011 to Dec 20, 2023, totalling 930 kW of capacity. Dataset coverage varies by state, so actual totals may be higher.

What does Western Sierra charge for solar?

The median installed price across 121 priced systems is $4.45/W pre-incentive (median system 6.4 kW, ≈ $29,040). Third-party-owned (lease/PPA) share: 1%.

Where does Western Sierra install solar?

Recorded installs span 1 state, led by California (140).

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