Powertop Solar

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Solar installer based in California · installer record #9526 resolved from 20 public installation records.

Recorded installs

Total capacity

95 kW

DC nameplate

Median system

4.6 kW

≈ $33,318

Median price

$7.68/W

pre-incentive

Third-party owned

lease / PPA

Battery attach

First recorded

2001

Last recorded

2004

Track record

Install volume by year

2001

4$7.49/W

2002

10$7.51/W

2003

2$7.88/W

2004

4$8.07/W

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

Latest records

Most recent recorded installs

Date	Location	Size	Price	Ownership
Jun 28, 2004	Sonoma, CA	2.9 kW	$24,237	Host-owned
Apr 14, 2004	Clovis, CA	9.7 kW	$32,906	Host-owned
Jan 26, 2004	American Canyon, CA	4.9 kW	$37,523	Host-owned
Jan 23, 2004	San Mateo, CA	5.9 kW	$53,960	Host-owned
Oct 15, 2003	Portola Valley, CA	8.6 kW	$68,906	Host-owned
Feb 5, 2003	San Francisco, CA	4.4 kW	$34,084	Host-owned
Nov 25, 2002	Tracy, CA	4.8 kW	$35,300	Host-owned
Sep 27, 2002	Petaluma, CA	3.2 kW	$24,963	Host-owned
Sep 6, 2002	Burlingame, CA	3.2 kW	$24,655	Host-owned
Aug 13, 2002	San Francisco, CA	3 kW	$21,000	Host-owned

Service geography

California: 20

Busiest cities

San Francisco, CA 2Petaluma, CA 1Oakley, CA 1Redondo Beach, CA 1Downey, CA 1Santa Monica, CA 1Fowler, CA 1Oakland, CA 1

Record

Installer ID: PC-9526
First recorded install: Oct 23, 2001
Last recorded install: Jun 28, 2004
Priced records: 20

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Frequently asked questions

How many solar installations has Powertop Solar completed?

The Tracking the Sun dataset records 20 installations by Powertop Solar, from Oct 23, 2001 to Jun 28, 2004, totalling 95 kW of capacity. Dataset coverage varies by state, so actual totals may be higher.

What does Powertop Solar charge for solar?

The median installed price across 20 priced systems is $7.68/W pre-incentive (median system 4.6 kW, ≈ $33,318). Third-party-owned (lease/PPA) share: 0%.

Where does Powertop Solar install solar?

Recorded installs span 1 state, led by California (20).

Dataset updated July 2026 . Source: LBNL Tracking the Sun public dataset; installer resolved by exact-normalized name matching.