Toan Dao
Recently activeSolar installer based in California · installer record #69690 resolved from 16 public installation records.
At a glance
Toan Dao is a solar installer with 16 recorded installations totalling 112 kW, dated 2022 to 2025. All of its records are in California, where it ranks 3452nd of 6,010 profiled installers by volume and 5,911th of 10,537 nationally. Its median installed price for solar-only systems in 2023–2025 is $3.13/W before incentives, across 11 priced systems.
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 |
|---|---|---|---|---|
| Dec 31, 2025 | Fountain Valley, CA | 4.1 kW | $10,790 | Host-owned |
| Dec 30, 2025 | Fountain Valley, CA | 8.3 kW | $25,888 | Host-owned |
| Dec 15, 2025 | Fountain Valley, CA | 7.4 kW | $25,350 | Host-owned |
| Aug 17, 2023 | Garden Grove, CA | 4 kW | $11,000 | Host-owned |
| Jun 30, 2023 | Fountain Valley, CA | 10 kW | $30,000 | Host-owned |
| Jun 27, 2023 | Desert Hot Springs, CA | 10 kW | $32,900 | Host-owned |
| Apr 17, 2023 | Garden Grove, CA | 4 kW | $15,000 | Host-owned |
| Apr 4, 2023 | Fountain Valley, CA | 10 kW | $19,000 | Host-owned |
| Mar 4, 2023 | Garden Grove, CA | 6.4 kW | $23,000 | Host-owned |
| Jan 23, 2023 | Garden Grove, CA | 6 kW | $22,400 | Host-owned |
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Service geography
Busiest cities
Record
- Installer ID
- PC-69690
- First recorded install
- Jul 6, 2022
- Last recorded install
- Dec 31, 2025
- Priced records
- 16
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How does Toan Dao compare with other installers in California?
By recorded installations Toan Dao ranks 3452nd among the 6,010 installers based in California with five or more records. Its 2023–2025 solar-only median of $3.13/W is about 21% below the California median of $3.95/W on the same basis. Its median system, 7.1 kW, is about 20% above the state median of 5.9 kW. 0% 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 Giddens Electric (16), Eric Farmer Construction (16) and Kent Salveson (16).
How has Toan Dao's installation volume changed?
Toan Dao's earliest dated installation on record is from 2022. It has recorded installations in 3 calendar years. The busiest year was 2023, with 8 installations. 2025, its latest year with records, has 3. Its median price per watt moved from $1.00/W in 2022 to $3.13/W in 2025. The most recent recorded installation is dated Dec 31, 2025.
Where does Toan Dao install solar?
All recorded installations are in California. The cities with the most of its installations are Garden Grove, CA (6), Fountain Valley, CA (5), Huntington Beach, CA (2), Desert Hot Springs, CA (1) and Stanton, CA (1).
Frequently asked questions
How many solar installations has Toan Dao completed?
PanelCensus records 16 installations by Toan Dao, from Jul 6, 2022 to Dec 31, 2025, totalling 112 kW of capacity. Public reporting varies by state, so the company's true total may be higher.
What does Toan Dao charge for solar?
For solar-only systems installed in 2023–2025, the median reported price is $3.13/W before incentives, across 11 priced systems. The California median on the same basis is $3.95/W. Across all 16 priced systems since 2022, including battery systems, the median is $2.69/W. Prices are the total project cost reported to state incentive programs, divided by the system's DC watts, so they can include electrical upgrades or other work billed with the solar.
Where does Toan Dao install solar?
All 16 recorded installations are in California, the most of them in Garden Grove.
Is Toan Dao still installing solar?
The most recent installation attributed to Toan Dao in the public records is dated Dec 31, 2025; 2025 has 3 recorded installations. Records reach PanelCensus months to a couple of years after installation, so recent activity may not appear yet.
Does Toan Dao install leased or PPA solar systems?
0 recorded installations by Toan Dao (0%) are third-party owned — a lease or power-purchase agreement; across California the share is 29%.
Does Toan Dao install battery storage?
0 recorded installations by Toan Dao (0%) include a battery.
Related installers and places
- All solar installers in California· 6,010 profiles
- Solar installations in California· 2,408,542 records
- Giddens Electric· 16 installations
- Eric Farmer Construction· 16 installations
- Kent Salveson· 16 installations
- Dana Logsdon Roofing Solar· 16 installations
- B J K Constructors· 16 installations
- Van Lund Roofing And Solar· 16 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 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, “Toan Dao, solar installer (California)”, https://panelcensus.com/installers/california/toan-dao-69690 (data as of September 21, 2026).