Castello Solar

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Solar installer based in New York · installer record #65732 resolved from 9 public installation records.

At a glance

Castello Solar is a solar installer with 9 recorded installations totalling 53 kW, dated 2014 to 2015. All of its records are in New York, where it ranks 364th of 469 profiled installers by volume and 7,818th of 10,537 nationally.

Recorded installs

Total capacity

53 kW

DC nameplate

Median system

4.9 kW

≈ $24,500

Median price

—

too few priced systems

Third-party owned

100%

lease / PPA

Battery attach

First recorded

2014

Last recorded

2015

Track record

Install volume by year

2014

3$5.60/W

2015

6$5.30/W

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

Latest records

Most recent recorded installs

Date	Location	Size	Price	Ownership
May 22, 2015	Hempstead, NY	4.9 kW	$24,500	Third-party
May 22, 2015	Hempstead, NY	4.9 kW	$24,500	Third-party
Jan 20, 2015	Valley Stream, NY	3.5 kW	$19,600	Third-party
Jan 20, 2015	Medford, NY	4 kW	$22,400	Third-party
Jan 8, 2015	Plainview, NY	10 kW	$56,000	Third-party
Jan 8, 2015	Medford, NY	6.8 kW	$33,750	Third-party
Dec 26, 2014	Ronkonkoma, NY	9.3 kW	$51,800	Third-party
Dec 2, 2014	Williston Park, NY	6.3 kW	$35,000	Third-party
Nov 21, 2014	Shirley, NY	3.5 kW	$19,600	Third-party

Service geography

New York: 9

Busiest cities

Hempstead, NY 2Medford, NY 2Williston Park, NY 1Plainview, NY 1Ronkonkoma, NY 1Shirley, NY 1Valley Stream, NY 1

Record

Installer ID: PC-65732
First recorded install: Nov 21, 2014
Last recorded install: May 22, 2015
Priced records: 9

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How does Castello Solar compare with other installers in New York?

By recorded installations Castello Solar ranks 364th among the 469 installers based in New York with five or more records. Its median system, 4.9 kW, is about 36% below the state median of 7.7 kW. 100% of its recorded installations are third-party owned (lease or power-purchase agreement), against 34% across New York. 0% include battery storage, compared with 2% of New York records. Installers of similar recorded volume in New York include S&S SOLAR INC (9), SunBlue Energy (dba for Florenton River LLC) (9) and Siemens (9).

How has Castello Solar's installation volume changed?

Castello Solar's earliest dated installation on record is from 2014. It has recorded installations in 2 calendar years. The busiest year was 2015, with 6 installations. Its median price per watt moved from $5.60/W in 2014 to $5.30/W in 2015. The most recent recorded installation is dated May 22, 2015. No installation in the public records is dated within the last three years.

Where does Castello Solar install solar?

All recorded installations are in New York. The cities with the most of its installations are Hempstead, NY (2), Medford, NY (2), Williston Park, NY (1), Plainview, NY (1) and Ronkonkoma, NY (1).

Frequently asked questions

How many solar installations has Castello Solar completed?

PanelCensus records 9 installations by Castello Solar, from Nov 21, 2014 to May 22, 2015, totalling 53 kW of capacity. Public reporting varies by state, so the company's true total may be higher.

What does Castello Solar charge for solar?

The median installed price across 9 priced systems from all years is $5.60/W before incentives (median system 4.9 kW, about $24,500). The New York median is $4.16/W. Prices are the total project cost reported to state programs, so they can include work billed with the solar.

Where does Castello Solar install solar?

All 9 recorded installations are in New York, the most of them in Hempstead.

Is Castello Solar still installing solar?

The most recent installation attributed to Castello Solar in the public records is dated May 22, 2015; 2015 has 6 recorded installations. Records reach PanelCensus months to a couple of years after installation, so recent activity may not appear yet.

Does Castello Solar install leased or PPA solar systems?

9 recorded installations by Castello Solar (100%) are third-party owned — a lease or power-purchase agreement; across New York the share is 34%.

Does Castello Solar install battery storage?

0 recorded installations by Castello Solar (0%) include a battery.

Related installers and places

Dataset updated September 2026 . 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, “Castello Solar, solar installer (New York)”, https://panelcensus.com/installers/new-york/castello-solar-65732 (data as of September 21, 2026).