PanelCensus

Solar developer

STEPHEN SPENGLER

8 recorded solar installations developed by STEPHEN SPENGLER — mostly in Massachusetts.

Dataset updated . Sources: LBNL Tracking the Sun + permits + state programs + USGS/EIA utility-scale.

Installations developed
8
Total capacity
53 kW
DC nameplate
States
1
Median size
5.8 kW
Median $/W
—
pre-incentive
Third-party owned
0%
lease / PPA

Growth

Installations by year

2023
1
2024
4
2025
3

Latest records

Most recent recorded installs

DateLocationSize$/WSegment
Aug 22, 2025Boston, MA6.9 kW—COM
Jul 15, 2025Boston, MA8.6 kW—COM
Jul 10, 2025Boston, MA6 kW—COM
Oct 10, 2024Boston, MA8.8 kW—COM
Apr 24, 2024Boston, MA5.6 kW—COM
Mar 22, 2024Boston, MA5.6 kW—COM
Mar 8, 2024Boston, MA5.6 kW—COM
Nov 29, 2023Boston, MA5.6 kW—COM

Service geography

Frequently asked questions

How many solar installations has STEPHEN SPENGLER developed?

PanelCensus records 8 installations developed by STEPHEN SPENGLER, from Nov 29, 2023 to Aug 22, 2025, totalling 53 kW of capacity across 1 state. Coverage varies by state, so actual totals may be higher.

Where does STEPHEN SPENGLER operate?

Most recorded activity is in Massachusetts (8).