Core Development Group
Recently activeSolar installer based in California · active in 3 states · installer record #3072 resolved from 13 public installation records.
At a glance
Core Development Group is a solar installer with 13 recorded installations totalling 5.2 MW, dated 2020 to 2025. Its records are concentrated in California (69%), where it ranks 3886th of 6,220 profiled installers by volume and 6,527th of 10,536 nationally. The median installed price across 15 priced systems is $2.57/W before incentives.
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 |
|---|---|---|---|---|
| Nov 4, 2025 | Maspeth, NY | 223.6 kW | $894,279 | — |
| Nov 4, 2025 | Maspeth, NY | 223.6 kW | $894,279 | Host-owned |
| Sep 25, 2025 | Jamaica, NY | 118 kW | $354,000 | — |
| Sep 25, 2025 | Jamaica, NY | 118 kW | $354,000 | Host-owned |
| Sep 9, 2025 | Maspeth, NY | 69 kW | $894,279 | — |
| Sep 9, 2025 | Maspeth, NY | 69 kW | $894,279 | Host-owned |
| Dec 21, 2022 | Piscataway, NJ | 529.7 kW | — | Host-owned · battery |
| Dec 15, 2022 | Clifton, NJ | 763.8 kW | — | Host-owned · battery |
| Dec 5, 2022 | Wayne, NJ | 344.4 kW | — | — · battery |
| Oct 12, 2022 | San Diego, CA | 294.4 kW | $563,969 | Third-party |
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Service geography
Busiest cities
Record
- Installer ID
- PC-3072
- First recorded install
- Aug 26, 2020
- Last recorded install
- Nov 4, 2025
- Priced records
- 15
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How does Core Development Group compare with other installers in California?
By recorded installations Core Development Group ranks 3886th among the 6,220 installers based in California with five or more records. Its median price of $2.57/W is about 40% below the California median of $4.26/W (the installer's median covers every state it works in). Its median system, 330.2 kW, is about 56 times the state median of 5.9 kW. 69% of its recorded installations are third-party owned (lease or power-purchase agreement), against 29% across California. 23% include battery storage, compared with 16% of California records. Installers of similar recorded volume in California include California Roofs And Solar (13), Christiano Construction (13) and Cmsed Enterprises (13).
How has Core Development Group's installation volume changed?
Core Development Group's earliest dated installation on record is from 2020. It has recorded installations in 4 calendar years. The busiest year was 2025, with 6 installations. Its median price per watt moved from $2.27/W in 2020 to $4.00/W in 2025. The most recent recorded installation is dated Nov 4, 2025.
Where does Core Development Group install solar?
Recorded installations span 3 states: California (9, 69%), New York (6, 46%) and New Jersey (3, 23%). The cities with the most of its installations are San Diego, CA (4), Maspeth, NY (4), Encinitas, CA (2), La Jolla, CA (2) and Jamaica, NY (2).
Frequently asked questions
How many solar installations has Core Development Group completed?
PanelCensus records 13 installations by Core Development Group, from Aug 26, 2020 to Nov 4, 2025, totalling 5.2 MW of capacity. Public reporting varies by state, so the company's true total may be higher.
What does Core Development Group charge for solar?
The median installed price across 15 priced systems is $2.57/W before incentives (median system 330.2 kW, about $894,279). The California median is $4.26/W.
Where does Core Development Group install solar?
Recorded installs span 3 states, led by California (9), New York (6) and New Jersey (3). Its busiest city is San Diego, CA.
Is Core Development Group still installing solar?
The most recent installation attributed to Core Development Group in the public records is dated Nov 4, 2025; 2025 has 6 recorded installations. Records reach PanelCensus months to a couple of years after installation, so recent activity may not appear yet.
Does Core Development Group install leased or PPA solar systems?
9 recorded installations by Core Development Group (69%) are third-party owned — a lease or power-purchase agreement; across California the share is 29%.
Does Core Development Group install battery storage?
3 recorded installations by Core Development Group (23%) include a battery.
Related installers and places
- All solar installers in California· 6,220 profiles
- Solar installations in California· 2,413,021 records
- California Roofs And Solar· 13 installations
- Christiano Construction· 13 installations
- Cmsed Enterprises· 13 installations
- Dynamic Power Systems· 13 installations
- E G P Building Services· 13 installations
- Earth Solar· 13 installations
- Solar in New York· 6 by Core Development Group
- Solar in New Jersey· 3 by Core Development Group
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 September 21, 2026 — PanelCensus refreshes it as each source publishes new records. See the methodology for how records are matched, cleaned and scored.
Cite as: PanelCensus, “Core Development Group, solar installer (California)”, https://panelcensus.com/installers/california/core-development-group-3072 (data as of September 21, 2026).