FAQ

Solar Photovoltaics

How much sun do I need?

Generally, a solar window of about 5 hours a day throughout the year is recommended for optimum collection.  Please fill out our webform for a site assessment of your property.

With a grid tied system, what happens if I am producing more electricity than I am using?

With a grid tied power system any energy produced that you don't use is sold to BC Hydro through an agreement know as the Net Metering. BC Hydro will credit you for electricity that you provide to their system and if you have a large system or use very little energy you could be net zero. Net zero means over the course of the year you produce all of the energy you need.

With a grid tied system, what happens when the power goes out?

On a basic grid tied power system the inverter is dependent on the grid.  You would be without power if the grid signal is lost. If you invest in a battery backup system, when the grid goes offline you will be the only house in your neighbourhood with electricity!

What if it can’t fit on my roof or what if my roof isn’t facing south?

If your roof is not a suitable location for photovoltaics, we can mount the modules on racks or poles. Racks are typically stationary but they can be made to tilt for seasonal optimization. Poles can be stationary, however poles are often used with trackers which allow the modules to follow the suns path through the day.

Can it go on my roof?

Yes,  We have installed photovoltaics on all types of roofing including:

  • metal
  • asphalt
  • cedar
  • tile
  • flat

What is “BALANCE OF SYSTEMS”?

Balance of systems is the components which complete the system. Photovoltaic modules are the means of collecting the suns energy, however in order to use the electricity in our houses we need to condition it into AC (alternating current) so that it is compatible with our appliances. There also needs to be components for safety. Balance of systems typically includes combiner boxes, breakers, disconnects, inverters and batteries when off grid.

What is “GRID TIED”?

When a power system is "grid tied" it is connected to the utility provider such as BC Hydro. By connecting to the grid you do not need batteries to provide peak loads and you can sell excess electricity to BC Hydro through the net metering program. Batteries can still be part of the system if you wish to have a backup system.

How big of a power system do I need?

That depends on your goals and if you are connected to the grid or not.

Grid tied systems can be as large as you want. Often budget or emission offsets are influencing factors in the final decision.

Off grid systems are sized based on a load calculation which comes down to a balance of lifestyle and budget.

Home > Frequently Asked Questions > Solar PhotovoltaicsMicro-HydroWind Turbine