Installer profile · from public installation records

Ilum Energy Solutions

948 home solar installations on record in California, 946 of them in 2023–2025. Ranked in 1 city.

946Installations, 2023–2025
#5Best rank (Santa Maria)
0%Leased or on a PPA
2025Latest installation on record

Where Ilum Energy Solutions Ranks

Position among installers of home solar in each city, by installations in the most recent three years of records, and how Ilum Energy Solutions compares with the local market there.

Its strongest market is Santa Maria, where it accounts for 2% of the home systems with a known installer.

CityRankInstallationsLocal share Price vs. local median Leased (city average)
Santa Maria, California #5 33 2% 5% higher 0% (60%)

What Ilum Energy Solutions Installs

Typical system size
7.2 kW
Leased or on a PPA
0%

Mostly sells systems the homeowner owns, paid in cash or with a loan.

Installed with a battery
57%

Panel brands

  1. United Renewable Energy (24%)
  2. LONGi Green Energy (22%)
  3. JA Solar (19%)

Inverter brands

  1. Enphase Energy (59%)
  2. Tesla (38%)
  3. Enphase Energy (1%)

Ilum Energy Solutions Prices Compared With the State

Median price per watt of systems the homeowner bought outright, before incentives.

StateIlum Energy SolutionsState medianDifference
California (2023–2025) $5.27/W $4.25/W 24% higher

Home Installations per Year

  • 2023 351
  • 2024 73
  • 2025 522

Records for the most recent year can be incomplete while utilities finish reporting.

Where Ilum Energy Solutions Installs Most

CityInstallations (2023–2025)
Bakersfield, CA 92
Santa Maria, CA 33
Visalia, CA 21
Arroyo Grande, CA 20
Long Beach, CA 19
Oakland, CA 19
San Jose, CA 19
Livermore, CA 14
Nipomo, CA 13
Paso Robles, CA 13
San Luis Obispo, CA 13
Stockton, CA 12
Fresno, CA 11
Fremont, CA 10
Temecula, CA 10

Specialist Rankings

Where Ilum Energy Solutions ranks among the companies that install the most systems with a battery or with a given inverter brand.

Other Top Installers in Santa Maria

The companies ranked next to Ilum Energy Solutions in Santa Maria, by home installations in 2023–2025.

CompanyInstallationsMedian priceLeased / PPA
Sunrun 1,014 $4.57/W 91%
Bright Planet Solar 83 $6.74/W 76%
Tesla 83 $4.32/W 1%
AM Sun Solar 35 $4.90/W 0%
Photon Brothers 31 $5.40/W 0%
Complete Solar 28 $4.25/W 7%

Ilum Energy Solutions: Common Questions

Is Ilum Energy Solutions still in business?

Ilum Energy Solutions was still installing home solar in 2025, the latest year in the public records we use, and it is not on our list of installers that closed or went bankrupt. Records lag a year or two, so confirm before you sign: recent Google reviews show whether it is still answering customers.

Does Ilum Energy Solutions lease solar panels or sell them?

0% of its home systems in 2023–2025 were leased or on a power purchase agreement, and 100% were bought by the homeowner. Mostly sells systems the homeowner owns, paid in cash or with a loan.

What solar panels and inverters does Ilum Energy Solutions install?

Panels: United Renewable Energy (24%), LONGi Green Energy (22%) and JA Solar (19%). Inverters: Enphase Energy (59%), Tesla (38%) and Enphase Energy (1%). Shares of its home systems in 2023–2025 with a known brand.

How much does Ilum Energy Solutions charge for solar?

In California (2023–2025), homeowners who bought a system from Ilum Energy Solutions paid a median of $5.27/W before incentives — 24% higher than the state median of $4.25/W. For its typical 7.2 kW system, that is about $38,000. By city: 5% higher than the Santa Maria median.

Does Ilum Energy Solutions install solar batteries?

57% of its home systems in 2023–2025 included a battery. It ranks among the top battery installers in Santa Maria, CA, Visalia, CA.

Where does Ilum Energy Solutions install solar?

Most of its recent work is in Bakersfield (92), Santa Maria (33), Visalia (21), Arroyo Grande (20) and Long Beach (19). It is ranked in 1 city in California.

Before You Sign With Ilum Energy Solutions

  • California license: ask for the license number and look it up on the CSLB site; solar work needs a C-46, C-10 or B license.
  • Reviews and contact details: see Ilum Energy Solutions on Google Maps, where recent reviews tell you more than any ranking.
  • Quotes: get at least three, and compare price per watt, equipment brands and the workmanship warranty — not just the monthly payment.

Compare Ilum Energy Solutions with other installers

The Santa Maria ranking puts Ilum Energy Solutions next to the other companies that install the most there, with each one's price and leasing share.

Top solar installers in Santa Maria →

Where These Numbers Come From

Source: Tracking the Sun, Lawrence Berkeley National Laboratory (2026 edition), licensed CC BY 4.0. In New York and New Jersey, recent years come from the state programs' own records (NYSERDA and New Jersey's Clean Energy Program). Company names were standardized and closures checked against news reports by Solar Power Fix. More about our methodology.