SEMPER SOLARIS CONSTRUCTION INC
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Solar installer based in California · installer record #54259 resolved from 215 public installation records.
At a glance
SEMPER SOLARIS CONSTRUCTION INC is a solar installer with 215 recorded installations totalling 2.5 MW, dated 2018 to 2026. All of its records are in California, where it ranks 857th of 6,010 profiled installers by volume and 1,386th of 10,537 nationally.
Track record
Install volume by year
Recorded installs per year.
Latest records
Most recent recorded installs
| Date | Location | Size | Price | Ownership |
|---|---|---|---|---|
| Feb 10, 2026 | Walnut Grove, CA | 13.5 kW | $24,728 | — · battery |
| Dec 15, 2025 | Walnut Grove, CA | 20 kW | $32,700 | — |
| Nov 20, 2025 | Wilton, CA | 12.6 kW | $61,557 | — |
| Nov 19, 2025 | Novato, CA | 4.1 kW | $54,502 | — |
| Nov 13, 2025 | San Anselmo, CA | 35 kW | $70,000 | — |
| Nov 4, 2025 | Tiburon, CA | 20 kW | $36,250 | — |
| Oct 23, 2025 | Sacramento, CA | 27 kW | $32,094 | — |
| Oct 6, 2025 | Sacramento, CA | 10.4 kW | $34,472 | — |
| Oct 2, 2025 | San Rafael, CA | 5 kW | $9,000 | — |
| Sep 25, 2025 | Wilton, CA | 3 kW | $6,331 | — |
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Service geography
- California
- 215
Busiest cities
Record
- Installer ID
- PC-54259
- First recorded install
- Jul 6, 2018
- Last recorded install
- Feb 10, 2026
- Priced records
- 3
- Also appears as
- Semper Solaris Construction Inc
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How does SEMPER SOLARIS CONSTRUCTION INC compare with other installers in California?
By recorded installations SEMPER SOLARIS CONSTRUCTION INC ranks 857th among the 6,010 installers based in California with five or more records. Its median system, 8 kW, is about 35% 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. 21% include battery storage, compared with 16% of California records. Installers of similar recorded volume in California include Vs Solar Enterprise (216), JOHN LAVENDER (216) and Solcon Solar (215).
How has SEMPER SOLARIS CONSTRUCTION INC's installation volume changed?
SEMPER SOLARIS CONSTRUCTION INC's earliest dated installation on record is from 2018. It has recorded installations in 6 calendar years. The busiest year was 2022, with 35 installations. 2025, its latest year with records, has 28. Its median price per watt moved from $4.72/W in 2018 to $3.65/W in 2021. The most recent recorded installation is dated Feb 10, 2026.
Where does SEMPER SOLARIS CONSTRUCTION INC install solar?
All recorded installations are in California. The cities with the most of its installations are Sacramento, CA (91), Carmichael, CA (16), Fair Oaks, CA (14), Kentfield, CA (9) and Orangevale, CA (9).
Frequently asked questions
How many solar installations has SEMPER SOLARIS CONSTRUCTION INC completed?
PanelCensus records 215 installations by SEMPER SOLARIS CONSTRUCTION INC, from Jul 6, 2018 to Feb 10, 2026, totalling 2.5 MW of capacity. Public reporting varies by state, so the company's true total may be higher.
What does SEMPER SOLARIS CONSTRUCTION INC charge for solar?
The median installed price across 3 priced systems from all years is $4.49/W before incentives (median system 8 kW, about $137,940). The California median is $4.26/W. Prices are the total project cost reported to state programs, so they can include work billed with the solar.
Where does SEMPER SOLARIS CONSTRUCTION INC install solar?
All 215 recorded installations are in California, the most of them in Sacramento.
Is SEMPER SOLARIS CONSTRUCTION INC still installing solar?
The most recent installation attributed to SEMPER SOLARIS CONSTRUCTION INC in the public records is dated Feb 10, 2026; 2025 has 28 recorded installations. Records reach PanelCensus months to a couple of years after installation, so recent activity may not appear yet.
Does SEMPER SOLARIS CONSTRUCTION INC install leased or PPA solar systems?
0 recorded installations by SEMPER SOLARIS CONSTRUCTION INC (0%) are third-party owned — a lease or power-purchase agreement; across California the share is 29%.
Does SEMPER SOLARIS CONSTRUCTION INC install battery storage?
46 recorded installations by SEMPER SOLARIS CONSTRUCTION INC (21%) include a battery.
Related installers and places
- All solar installers in California· 6,010 profiles
- Solar installations in California· 2,408,542 records
- Vs Solar Enterprise· 216 installations
- JOHN LAVENDER· 216 installations
- Solcon Solar· 215 installations
- Killua Energy· 214 installations
- Quattro Solar· 214 installations
- Sunpower By The Solar Quote· 214 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 July 9, 2026 — PanelCensus refreshes it as each source publishes new records. See the methodology for how records are matched, cleaned and scored.
Cite as: PanelCensus, “SEMPER SOLARIS CONSTRUCTION INC, solar installer (California)”, https://panelcensus.com/installers/california/semper-solaris-construction-inc-54259 (data as of July 9, 2026).