Guaranty Solar
No recent recordsSolar installer based in California · installer record #5685 resolved from 11 public installation records.
At a glance
Guaranty Solar is a solar installer with 11 recorded installations totalling 51 kW, dated 2017 to 2018. All of its records are in California, where it ranks 4186th of 6,220 profiled installers by volume and 7,044th of 10,536 nationally. The median installed price across 11 priced systems is $1.75/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 |
|---|---|---|---|---|
| Aug 10, 2018 | National City, CA | 4.9 kW | $9,480 | Third-party |
| Jun 6, 2018 | Oceanside, CA | 4.9 kW | $8,850 | Third-party |
| Apr 19, 2018 | Oceanside, CA | 5.3 kW | $8,520 | Third-party |
| Apr 16, 2018 | San Diego, CA | 3.4 kW | $4,410 | Third-party |
| Mar 10, 2018 | Fallbrook, CA | 3.8 kW | $4,140 | Third-party |
| Feb 28, 2018 | Spring Valley, CA | 5.1 kW | $7,380 | Third-party |
| Jan 23, 2018 | Chula Vista, CA | 4.4 kW | $8,760 | Third-party |
| Dec 5, 2017 | San Diego, CA | 4.2 kW | $7,290 | Third-party |
| Nov 30, 2017 | Vista, CA | 4.4 kW | $8,310 | Third-party |
| Nov 30, 2017 | San Diego, CA | 5.2 kW | $8,130 | Third-party |
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Service geography
Busiest cities
Record
- Installer ID
- PC-5685
- First recorded install
- Nov 29, 2017
- Last recorded install
- Aug 10, 2018
- Priced records
- 11
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How does Guaranty Solar compare with other installers in California?
By recorded installations Guaranty Solar ranks 4186th among the 6,220 installers based in California with five or more records. Its median price of $1.75/W is about 59% below the California median of $4.26/W. Its median system, 4.9 kW, is about 17% below the state median of 5.9 kW. 100% 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 Green Nation Direct (11), Green Power Systems (11) and Green Spark Electric (11).
How has Guaranty Solar's installation volume changed?
Guaranty Solar's earliest dated installation on record is from 2017. It has recorded installations in 2 calendar years. The busiest year was 2018, with 7 installations. Its median price per watt moved from $1.83/W in 2017 to $1.61/W in 2018. The most recent recorded installation is dated Aug 10, 2018. No installation in the public records is dated within the last three years.
Where does Guaranty Solar install solar?
All recorded installations are in California. The cities with the most of its installations are San Diego, CA (4), Oceanside, CA (2), Fallbrook, CA (1), National City, CA (1) and Vista, CA (1).
Frequently asked questions
How many solar installations has Guaranty Solar completed?
PanelCensus records 11 installations by Guaranty Solar, from Nov 29, 2017 to Aug 10, 2018, totalling 51 kW of capacity. Public reporting varies by state, so the company's true total may be higher.
What does Guaranty Solar charge for solar?
The median installed price across 11 priced systems is $1.75/W before incentives (median system 4.9 kW, about $8,310). The California median is $4.26/W.
Where does Guaranty Solar install solar?
All 11 recorded installations are in California, the most of them in San Diego.
Is Guaranty Solar still installing solar?
The most recent installation attributed to Guaranty Solar in the public records is dated Aug 10, 2018; 2018 has 7 recorded installations. Records reach PanelCensus months to a couple of years after installation, so recent activity may not appear yet.
Does Guaranty Solar install leased or PPA solar systems?
11 recorded installations by Guaranty Solar (100%) are third-party owned — a lease or power-purchase agreement; across California the share is 29%.
Does Guaranty Solar install battery storage?
0 recorded installations by Guaranty Solar (0%) include a battery.
Related installers and places
- All solar installers in California· 6,220 profiles
- Solar installations in California· 2,413,021 records
- Green Nation Direct· 11 installations
- Green Power Systems· 11 installations
- Green Spark Electric· 11 installations
- Haaland Builders· 11 installations
- Hal Slater Solar· 11 installations
- Homestar Builders· 11 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, “Guaranty Solar, solar installer (California)”, https://panelcensus.com/installers/california/guaranty-solar-5685 (data as of September 21, 2026).