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Converting Your Home to Solar Power: An Interview with Joel Dahlheim of All On Electric & Solar

By Joel Dahlheim

Tell us a little bit about your company and the services you offer.

All On Electric & Solar has several years of expertise in the management and installation of PV (Photovoltaic) Solar Systems. When All On Electric started in 2006, owner, Joel Dahlheim didn't anticipate the growth of his company. He expanded from one office in Livermore, CA to new locations in Santa Rosa, CA and Fresno, CA; providing services to Central and Northern California areas. All On Electric & Solar has been a prominent solar installer in the Bay Area and the Central Valley.

All On Electric & Solar provides electrical and solar energy services to Northern and Central California. We are a family owned company and it's operated with honesty and integrity. We service residential and commercial electrical and PV solar system projects. All On Electric and Solar takes pride in providing its clients with many different options to save money. Our electricians, installers and administration team go above and beyond to implement the best practices required for our customer's installation. All On Electric & Solar makes every effort to convey professionalism with each project.

Electric Services:

  • Main Service Panel Upgrade
  • Energy Controller Box (Lowers bill 10%-20%)
  • Air Sealing
  • LED Lighting
  • Hot Tubs and Spas
  • Panel Replacement
  • Ceiling Fan Installations
  • Attic Fans
  • Whole House Fans
  • Light Fixture Installation
  • Home Entertainment Systems
  • Power Surge Protection
  • Solar Services:

  • Carport/Shading Structures w/ PV Solar
  • Rooftop PV System
  • Ground Mount System
  • Backup Battery
  • Solar Hot Water Heaters
  • Thermal Solar
  • Backup Generator
  • Pool Solar

What are two or three of the main reasons why homeowners switch to solar power?

It's good for the environment.

It's a solid home investment.

Solar has a fixed energy cost. Utility providers often raise energy costs, but your cost for a solar system would be the same monthly until paid off. (or for the length of your PPA agreement.)

What are some of the basic decisions that people need to make before they have a solar system installed?

Is solar right for you and your needs is the main decision people need to think about.

Can you give a brief description of what a photovoltaic solar system is and list the key steps of the installation process?

A photovoltaic system harnesses power from the Sun and inverts the DC power to AC using an inverter so that the power can be used inside the house. The main steps in the installation are racking for the solar modules, and placing the panels securely on the roof using an engineered racking system. Electrical conduit run and connections from the solar modules to the house panel.

What does a homeowner usually need to do as far as maintenance and repairs for their PV system?

There is very little maintenance with a solar electric system. Washing the panels a few times a year will help keep the system operating at its best. Washing can be done with a garden hose and should be done early in the morning before the panels get hot. Caution: Spraying cold water on hot solar panels can cause damage that cannot be repaired.

What's some of the feedback you've heard from people who have switched their home to solar power?

Customers love their solar system after they start receiving benefits from it such as little to no electric bill. Plus knowing that it is healthy for the environment. It's really the way power should be harnessed and I believe it is the power of the future.

What's the best way for people to contact your company and learn more about what you do?

Email: and

Visit it our Website at:

You can call 925-447-0581

Find us on Yelp, Facebook, Instagram and Twitter

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