Stittsville, Ontario, Canada, located at 45.2496°N, -75.9181°W, presents a mixed scenario for solar PV energy generation throughout the year. This location in the Northern Temperate Zone experiences significant seasonal variations in solar output, which directly impacts the efficiency of solar installations.

Seasonal Solar Performance

Solar energy production in Stittsville peaks during the summer months, with an impressive 5.96 kWh per day for each kW of installed capacity. Spring follows closely behind with 5.45 kWh/day. These seasons offer the most favorable conditions for solar energy generation, with longer daylight hours and higher sun angles.

However, autumn and winter present challenges for solar production. Autumn sees a significant drop to 2.87 kWh/day, while winter performance plummets to just 1.82 kWh/day per kW installed. This stark contrast highlights the need for careful planning and potentially oversizing systems to compensate for the lower winter output.

Optimal Panel Placement

To maximize year-round solar energy production in Stittsville, Ontario, fixed solar panels should be tilted at a 39-degree angle facing south. This optimal angle helps balance the seasonal variations in sun position and maximizes overall annual energy yield.

Environmental and Weather Considerations

Several factors can impact solar production in Stittsville:

1. Snow accumulation: Stittsville's winters can bring heavy snowfall, which may cover panels and reduce efficiency. Regular snow removal or installing panels at a steeper angle can help mitigate this issue.
2. Cloud cover: The region experiences significant cloud cover, particularly in autumn and winter. Using high-efficiency panels and microinverters can help maximize production during overcast periods.
3. Temperature fluctuations: Extreme cold can affect panel performance, while high summer temperatures may slightly reduce efficiency. Choosing temperature-resistant panels and ensuring proper ventilation can address these concerns.

Despite these challenges, implementing a well-designed solar PV system with appropriate preventative measures can still yield significant energy production in Stittsville. The substantial output during spring and summer can help offset the reduced winter performance, making solar a viable option for this location.

Note: The Northern Temperate Zone extends from 35° latitude North up to 66.5° latitude.

So far, we have conducted calculations to evaluate the solar photovoltaic (PV) potential in 569 locations across Canada. This analysis provides insights into each city/location's potential for harnessing solar energy through PV installations.

Link: Solar PV potential in Canada by location

Solar output per kW of installed solar PV by season in Stittsville

Seasonal solar PV output for Latitude: 45.2496, Longitude: -75.9181 (Stittsville, Canada), based on our analysis of 8760 hourly intervals of solar and meteorological data (one whole year) retrieved for that set of coordinates/location from NASA POWER (The Prediction of Worldwide Energy Resources) API:

 

Ideally tilt fixed solar panels 39° South in Stittsville, Canada

To maximize your solar PV system's energy output in Stittsville, Canada (Lat/Long 45.2496, -75.9181) throughout the year, you should tilt your panels at an angle of 39° South for fixed panel installations.

As the Earth revolves around the Sun each year, the maximum angle of elevation of the Sun varies by +/- 23.45 degrees from its equinox elevation angle for a particular latitude. Finding the exact optimal angle to maximise solar PV production throughout the year can be challenging, but with careful consideration of historical solar energy and meteorological data for a certain location, it can be done precisely.

We use our own calculation, which incorporates NASA solar and meteorological data for the exact Lat/Long coordinates, to determine the ideal tilt angle of a solar panel that will yield maximum annual solar output. We calculate the optimal angle for each day of the year, taking into account its contribution to the yearly total PV potential at that specific location.

Seasonally adjusted solar panel tilt angles for Stittsville, Canada

If you can adjust the tilt angle of your solar PV panels, please refer to the seasonal tilt angles below for optimal solar energy production in Stittsville, Canada. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 39° South tilt angle throughout the year.

Overall Best Summer Angle	Overall Best Autumn Angle	Overall Best Winter Angle	Overall Best Spring Angle
29° South in Summer	49° South in Autumn	59° South in Winter	38° South in Spring

Our recommendations take into account more than just latitude and Earth's position in its elliptical orbit around the Sun. We also incorporate historical solar and meteorological data from NASA's Prediction of Worldwide Energy Resources (POWER) API to assign a weight to each ideal angle for each day based on its historical contribution to overall solar PV potential during a specific season.

This approach allows us to provide much more accurate recommendations than relying solely on latitude, as it considers unique weather conditions in different locations sharing the same latitude worldwide.

Calculate solar panel row spacing in Stittsville, Canada

We've added a feature to calculate minimum solar panel row spacing by location. Enter your panel size and orientation below to get the minimum spacing in Stittsville, Canada.

Our calculation method

1. Solar Position:
   We determine the Sun's position on the Winter solstice using the location's latitude and solar declination.
2. Shadow Projection:
   We calculate the shadow length cast by panels using trigonometry, considering panel tilt and the Sun's elevation angle.
3. Minimum Spacing:
   We add the shadow length to the horizontal space occupied by tilted panels.

This approach ensures maximum space efficiency while avoiding shading during critical times, as the Winter solstice represents the worst-case scenario for shadow length.

Topography for solar PV around Stittsville, Canada

Stittsville, located in eastern Ontario, Canada, is situated in a region characterized by gently rolling terrain. The landscape surrounding this suburban community is a mix of flat areas and low hills, typical of the Ottawa Valley region. The topography is largely shaped by glacial activity from the last ice age, resulting in a mix of till plains and shallow valleys. To the north and east of Stittsville, the land is relatively flat, with some minor undulations. This area is part of the larger Ottawa Valley lowlands, which extend towards the Ottawa River. The terrain here is predominantly composed of clay and sand deposits left behind by ancient glacial lakes and rivers. Moving south and west from Stittsville, the landscape becomes slightly more varied. Low hills and ridges begin to appear, creating a subtle patchwork of elevated areas and shallow depressions. These features are remnants of the Canadian Shield, an ancient geological formation that underlies much of eastern Canada.

Potential for Large-Scale Solar PV

When considering areas nearby that would be most suited to large-scale solar photovoltaic (PV) installations, several factors come into play. The ideal locations would combine favorable topography with other practical considerations. The relatively flat areas to the north and east of Stittsville present promising opportunities for solar PV development. These locations offer large, open spaces with minimal shading from natural features, which is crucial for maximizing solar energy capture. The gentle slopes in these areas can also be advantageous, as they can be oriented to optimize solar panel placement for maximum sun exposure throughout the day. Some of the low-lying agricultural lands surrounding Stittsville could be particularly well-suited for solar farms. These areas often have good road access, are already cleared of trees, and have relatively low ecological sensitivity compared to forested regions. It's important to note that while the topography around Stittsville is generally favorable for solar PV, other factors such as proximity to electrical infrastructure, local zoning regulations, and environmental considerations would also play crucial roles in determining the most suitable locations for large-scale solar installations. Additionally, areas with existing industrial or commercial development might offer opportunities for rooftop solar arrays, complementing potential ground-mounted installations in the surrounding rural areas.

Canada solar PV Stats as a country

Canada ranks 23rd in the world for cumulative solar PV capacity, with 3,630 total MW's of solar PV installed. This means that 0.70% of Canada's total energy as a country comes from solar PV (that's 38th in the world). Each year Canada is generating 96 Watts from solar PV per capita (Canada ranks 40th in the world for solar PV Watts generated per capita). [source]

Are there incentives for businesses to install solar in Canada?

There are several incentives for businesses to install solar power systems in Canada. These incentives vary by province and can include:

1. Federal Tax Incentives:

• Accelerated Capital Cost Allowance (CCA): Businesses can write off the full cost of clean energy equipment in the year it's put into use.

2. Provincial Programs:

• Ontario: Save on Energy program offers incentives for businesses to reduce energy consumption.
• Alberta: Energy Efficiency Alberta offers rebates for solar PV installations.
• British Columbia: BC Hydro offers a net metering program. BC Hydro also offers rebates for solar panels and battery storage.
• Nova Scotia: Solar Electricity for Community Buildings Program.

3. Net Metering:

Many provinces ofer net metering, allowing businesses to sell excess electricity back to the grid.

4. Grants and Loans:

Some provinces offer grants or low-interest loans for renewable energy projects.

5. Carbon Pricing:

The federal carbon pricing system can make solar more competitive compared to fossil fuels.

6. Municipal Incentives:

Some cities offer additional incentives or property tax reductions for solar installations.

7. Reduced Operating Costs:

While not a direct incentive, businesses can significantly reduce their long-term energy costs.

Note: Incentives and programs can change over time, so businesses should check with local authorities and energy providers for the most up-to-date information.

Do you have more up to date information than this on incentives towards solar PV projects in Canada? Please reach out to us and help us keep this information current. Thanks!

Citation Guide

Article Details for Citation

Tell Us About Your Work

We love seeing how our research helps others! If you've cited this article in your work, we'd be delighted to hear about it. Drop us a line via our Contact Us page or on X, to share where you've used our information - we may feature a link to your work on our site. This helps create a network of valuable resources for others in the solar energy community and helps us understand how our research is contributing to the field. Plus, we occasionally highlight exceptional works that reference our research on our social media channels.

Feeling generous?

Share this with your friends!

Compare this location to others worldwide for solar PV potential

The solar PV analyses available on our website, including this one, are offered as a free service to the global community. Our aim is to provide education and aid informed decision-making regarding solar PV installations.

However, please note that these analyses are general guidance and may not meet specific project requirements. For in-depth, tailored forecasts and analysis crucial for feasibility studies or when pursuing maximum ROI from your solar projects, feel free to contact us; we offer comprehensive consulting services expressly for this purpose.

Helping you assess viability of solar PV for your site

Calculate Your Optimal Solar Panel Tilt Angle: A Comprehensive Guide

Enhance your solar panel's performance with our in-depth guide. Determine the best tilt angle using hard data, debunk common misunderstandings, and gain insight into how your specific location affects solar energy production.