PanelCensus

R T Maher Construction

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Solar installer based in California · installer record #9854 resolved from 68 public installation records.

At a glance

R T Maher Construction is a solar installer with 68 recorded installations totalling 1.2 MW, dated 2008 to 2016. All of its records are in California, where it ranks 1784th of 6,220 profiled installers by volume and 2,922nd of 10,536 nationally. The median installed price across 73 priced systems is $4.04/W before incentives.

Recorded installs
68
Total capacity
1.2 MW
DC nameplate
Median system
12.9 kW
≈ $53,648
Median price
$4.04/W
pre-incentive · 73 priced
Third-party owned
9%
lease / PPA
Battery attach
0%
First recorded
2008
Last recorded
2016

Track record

Install volume by year

2008
4$6.85/W
2009
7$6.37/W
2010
15$5.13/W
2011
11$4.55/W
2012
17$3.74/W
2013
10$3.35/W
2014
3$3.46/W
2015
1$2.39/W
2016
4$3.07/W
2017
1$2.33/W
2020
1
2023
1$1.00/W
2024
4$2.37/W
2025
1$2.10/W

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

Latest records

Most recent recorded installs

DateLocationSizePriceOwnership
Aug 5, 2025Madera, CA147.8 kW$310,000—
Dec 31, 2024Merced, CA49.5 kW$126,000—
Dec 31, 2024Merced, CA74.7 kW$168,000—
Oct 31, 2024Yuba City, CA157.2 kW$376,000—
Apr 18, 2024Milpitas, CA178.9 kW$420,000—
Jan 24, 2023Ross, CA71.9 kW$71,600—
Apr 27, 2020Madera, CA27.4 kW$0—
Jul 18, 2017Dos Palos, CA144.4 kW$336,000—
Sep 6, 2016Winton, CA7.8 kW$23,600Host-owned
Aug 3, 2016Riverbank, CA10.2 kW$30,900Host-owned

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Service geography

California
80

Busiest cities

Merced, CA 35Atwater, CA 12Le Grand, CA 4Dos Palos, CA 4Westley, CA 3Ballico, CA 3Winton, CA 2

Record

Installer ID
PC-9854
First recorded install
Jan 2, 2008
Last recorded install
Sep 6, 2016
Priced records
73

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How does R T Maher Construction compare with other installers in California?

By recorded installations R T Maher Construction ranks 1784th among the 6,220 installers based in California with five or more records. Its median price of $4.04/W is roughly in line with the California median of $4.26/W. Its median system, 12.9 kW, is about twice the state median of 5.9 kW. 9% of its recorded installations are third-party owned (lease or power-purchase agreement), against 29% across California. 0% include battery storage, compared with 16% of California records. Installers of similar recorded volume in California include N T Electric (68), Nics Electric (68) and Power Up (68).

How has R T Maher Construction's installation volume changed?

R T Maher Construction's earliest dated installation on record is from 2008. It has recorded installations in 14 calendar years. The busiest year was 2012, with 17 installations. 2025, its latest year with records, has 1. Its median price per watt moved from $6.85/W in 2008 to $2.10/W in 2025. The most recent recorded installation is dated Sep 6, 2016. No installation in the public records is dated within the last three years.

Where does R T Maher Construction install solar?

All recorded installations are in California. The cities with the most of its installations are Merced, CA (35), Atwater, CA (12), Le Grand, CA (4), Dos Palos, CA (4) and Westley, CA (3).

Frequently asked questions

How many solar installations has R T Maher Construction completed?

PanelCensus records 68 installations by R T Maher Construction, from Jan 2, 2008 to Sep 6, 2016, totalling 1.2 MW of capacity. Public reporting varies by state, so the company's true total may be higher.

What does R T Maher Construction charge for solar?

The median installed price across 73 priced systems is $4.04/W before incentives (median system 12.9 kW, about $53,648). The California median is $4.26/W.

Where does R T Maher Construction install solar?

All 68 recorded installations are in California, the most of them in Merced.

Is R T Maher Construction still installing solar?

The most recent installation attributed to R T Maher Construction in the public records is dated Sep 6, 2016; 2025 has 1 recorded installation. Records reach PanelCensus months to a couple of years after installation, so recent activity may not appear yet.

Does R T Maher Construction install leased or PPA solar systems?

6 recorded installations by R T Maher Construction (9%) are third-party owned — a lease or power-purchase agreement; across California the share is 29%.

Does R T Maher Construction install battery storage?

0 recorded installations by R T Maher Construction (0%) include a battery.

Related installers and places

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, “R T Maher Construction, solar installer (California)”, https://panelcensus.com/installers/california/r-t-maher-construction-9854 (data as of September 21, 2026).