Solar Installers East Palo Alto

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Frequently Asked Questions About Solar Installers

Have questions about going solar? Find answers to common inquiries about solar panel installation and connecting with reputable Solar Installers in USA.

What is the difference between grid-tied and off-grid solar systems?

Grid-tied solar systems are connected to the utility grid, allowing you to:
  • Draw electricity from the grid when your solar panels aren't producing enough power (e.g., at night)
  • Sell excess solar electricity back to the grid through net metering.
Off-grid solar systems are not connected to the grid and rely solely on solar panels and battery storage for electricity. They provide energy independence but require a larger upfront investment for batteries and a larger solar array.

How do I know if my roof is suitable for solar panels?

A suitable roof for solar panels should have:
  • Adequate Sunlight: Unobstructed sunlight for a significant portion of the day.
  • Sufficient Space: Enough space to accommodate the desired number of panels.
  • Structural Integrity: A strong roof structure capable of supporting the weight of the panels.
  • Appropriate Orientation and Tilt: Ideally, the roof should face south (in the Northern Hemisphere) or north (in the Southern Hemisphere) with a tilt angle close to the latitude of your location. However, other orientations and tilts can still be effective.
A qualified solar installer can assess your roof during a site visit and determine its suitability for solar.

Will solar panels work during cloudy days or at night?

Solar panels still generate some electricity on cloudy days, although their output will be lower than on sunny days. They do not generate electricity at night. This is why battery storage can be a valuable addition to a solar energy system, as it allows you to store excess energy generated during the day for use at night or during periods of low sunlight.

Do I need planning permission to install solar panels in USA?

Planning permission requirements for solar panels vary depending on local regulations in USA. In many cases, you may not need planning permission for a standard roof-mounted solar installation, especially if it doesn't significantly alter the appearance of your property. However, it's always best to check with your local planning authority or consult with a solar installer who is familiar with the regulations in your area.

What is the difference between grid-tied and off-grid solar systems?

Grid-tied solar systems are connected to the utility grid, allowing you to:
  • Draw electricity from the grid when your solar panels aren't producing enough power (e.g., at night)
  • Sell excess solar electricity back to the grid through net metering.
Off-grid solar systems are not connected to the grid and rely solely on solar panels and battery storage for electricity. They provide energy independence but require a larger upfront investment for batteries and a larger solar array.

How do I know if my roof is suitable for solar panels?

A suitable roof for solar panels should have:
  • Adequate Sunlight: Unobstructed sunlight for a significant portion of the day.
  • Sufficient Space: Enough space to accommodate the desired number of panels.
  • Structural Integrity: A strong roof structure capable of supporting the weight of the panels.
  • Appropriate Orientation and Tilt: Ideally, the roof should face south (in the Northern Hemisphere) or north (in the Southern Hemisphere) with a tilt angle close to the latitude of your location. However, other orientations and tilts can still be effective.
A qualified solar installer can assess your roof during a site visit and determine its suitability for solar.

Will solar panels work during cloudy days or at night?

Solar panels still generate some electricity on cloudy days, although their output will be lower than on sunny days. They do not generate electricity at night. This is why battery storage can be a valuable addition to a solar energy system, as it allows you to store excess energy generated during the day for use at night or during periods of low sunlight.

Do I need planning permission to install solar panels in USA?

Planning permission requirements for solar panels vary depending on local regulations in USA. In many cases, you may not need planning permission for a standard roof-mounted solar installation, especially if it doesn't significantly alter the appearance of your property. However, it's always best to check with your local planning authority or consult with a solar installer who is familiar with the regulations in your area.