CARR & DUFF CO
No recent recordsSolar installer based in Pennsylvania · installer record #33770 resolved from 5 public installation records.
At a glance
CARR & DUFF CO is a solar installer with 5 recorded installations totalling 0 kW, dated 2007 to 2017. All of its records are in Pennsylvania, where it ranks 230th of 236 profiled installers by volume and 10,109th of 10,536 nationally.
Track record
Install volume by year
Bars: recorded installs · right column: this installer's median $/W that year.
Latest records
Most recent recorded installs
| Date | Location | Size | Price | Ownership |
|---|---|---|---|---|
| Jul 11, 2017 | Philadelphia, PA | — | — | — |
| Jun 25, 2007 | Philadelphia, PA | — | — | — |
| Jun 25, 2007 | Philadelphia, PA | — | — | — |
| Jun 25, 2007 | Philadelphia, PA | — | — | — |
| Jun 25, 2007 | Philadelphia, PA | — | — | — |
Record
- Installer ID
- PC-33770
- First recorded install
- Jun 25, 2007
- Last recorded install
- Jul 11, 2017
- Priced records
- 0
- Also appears as
- CARR & DUFF INC
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How does CARR & DUFF CO compare with other installers in Pennsylvania?
By recorded installations CARR & DUFF CO ranks 230th among the 236 installers based in Pennsylvania with five or more records. 0% include battery storage, compared with 1% of Pennsylvania records. Installers of similar recorded volume in Pennsylvania include T K B Construction (5), Vara Nrg (5) and BRYAN D JONES (5).
How has CARR & DUFF CO's installation volume changed?
CARR & DUFF CO's earliest dated installation on record is from 2007. It has recorded installations in 2 calendar years. The busiest year was 2007, with 4 installations. 2017, its latest year with records, has 1. The most recent recorded installation is dated Jul 11, 2017. No installation in the public records is dated within the last three years.
Where does CARR & DUFF CO install solar?
All recorded installations are in Pennsylvania. The cities with the most of its installations are Philadelphia, PA (5).
Frequently asked questions
How many solar installations has CARR & DUFF CO completed?
PanelCensus records 5 installations by CARR & DUFF CO, from Jun 25, 2007 to Jul 11, 2017, totalling 0 kW of capacity. Public reporting varies by state, so the company's true total may be higher.
What does CARR & DUFF CO charge for solar?
The recorded systems for CARR & DUFF CO do not include enough price data to compute a reliable median.
Where does CARR & DUFF CO install solar?
All 5 recorded installations are in Pennsylvania, the most of them in Philadelphia.
Is CARR & DUFF CO still installing solar?
The most recent installation attributed to CARR & DUFF CO in the public records is dated Jul 11, 2017; 2017 has 1 recorded installation. Records reach PanelCensus months to a couple of years after installation, so recent activity may not appear yet.
Does CARR & DUFF CO install battery storage?
0 recorded installations by CARR & DUFF CO (0%) include a battery.
Related installers and places
- All solar installers in Pennsylvania· 236 profiles
- Solar installations in Pennsylvania· 24,310 records
- T K B Construction· 5 installations
- Vara Nrg· 5 installations
- BRYAN D JONES· 5 installations
- Maximo M Real· 5 installations
- PMK Contractors LLC· 5 installations
- Reid's Electrical Specialist Inc· 5 installations
Dataset updated . Sources: LBNL Tracking the Sun + permit and program records; installer resolved by exact-normalized name matching.
About this data
Source: Lawrence Berkeley National Laboratory's Tracking the Sun, merged with city permit records, state incentive programs and the USGS U.S. Large-Scale Solar Photovoltaic Database / EIA-860 plant registers, as published July 9, 2026 — PanelCensus refreshes it as each source publishes new records. See the methodology for how records are matched, cleaned and scored.
Cite as: PanelCensus, “CARR & DUFF CO, solar installer (Pennsylvania)”, https://panelcensus.com/installers/pennsylvania/carr-duff-co-33770 (data as of July 9, 2026).