Going solar in Okotoks, Alberta

How good is the sun at Okotoks?

Okotoks sits about fifteen minutes south of Calgary on the edge of the foothills. The area has bright, dry weather for much of the year, cold winters with plenty of clear days, and the occasional chinook that melts snow quickly. Output from a rooftop array is highest from spring to early autumn and low in December. Our guide to energy and climate in Okotoks covers the local conditions, and sunshine hours by Alberta city shows how the region compares.

The nearby Calgary solar potential guide applies largely to the foothills as well.

What did Drake Landing show about solar in this climate?

Drake Landing Solar Community in Okotoks put flat-plate collectors on the garage roofs of 52 homes and stored the summer heat in the ground for use in winter. Monitoring reported that solar supplied about 97 percent of space heating by 2012 and all of it in the 2015-16 heating season, before the system was wound down from around 2020. It was a heat project rather than an electric one, but it shows that the Okotoks sun is a usable resource. See how it works, the solar collection page and the homes for the details.

Solar heating and solar electricity solve different problems. Solar thermal versus solar PV explains the difference for a home owner today.

What should foothills homeowners watch for?

Three local factors deserve attention.

• Wind. Chinook gusts load a roof array, so racking and attachments need to be engineered for it.
• Hail. Summer storms can damage glass, so ask for the hail rating and read the warranty and insurance terms.
• Snow. A tilt that sheds snow helps winter output, as solar panels in winter explains.

For acreages around town, a ground mount is often an option, covered in ground-mount solar panels in Canada.

What are the rules, financing and costs?

Alberta's micro-generation framework governs how a small system connects and how surplus power is credited, as the micro-generation regulation guide explains. The wires owner for your address sets the connection steps. Permits and an electrical inspection apply, covered in solar panel permits in Alberta. Some municipalities, including the Town of Okotoks, have offered clean energy financing repaid through the property tax bill, so ask the town whether such a program is open. Confirm current terms with the Alberta Utilities Commission, the provincial energy ministry and your utility.

Prices vary with roof, equipment and year, and quotes decide. See solar panel cost in Alberta and how to choose a solar installer, which also applies to foothills installers.

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