Saint-Jean-sur-Richelieu, located in Quebec, Canada, presents a mixed picture for solar PV energy generation throughout the year. This northern temperate zone location experiences significant seasonal variations in solar output, which impacts the overall efficiency of solar installations.

Seasonal Solar Performance

The solar energy production in Saint-Jean-sur-Richelieu varies dramatically across seasons. Summer stands out as the most productive period, with an impressive 5.88 kWh per day for each kilowatt of installed solar capacity. Spring follows closely behind at 5.27 kWh/day. However, autumn sees a substantial drop to 2.84 kWh/day, while winter plummets to a mere 1.81 kWh/day.

These figures highlight the stark contrast between the warm and cold seasons, with summer producing more than three times the energy of winter. This disparity underscores the challenges of relying solely on solar power in this region, particularly during the colder months.

Optimal Panel Configuration

To maximize year-round solar energy production in Saint-Jean-sur-Richelieu, fixed solar panels should be tilted at an angle of 39 degrees facing south. This orientation helps to capture the most sunlight throughout the year, balancing the low winter sun angle with the higher summer sun position.

Environmental and Weather Considerations

Several factors can impede solar production in this location:

1. Snow accumulation in winter can significantly reduce panel efficiency.
2. Frequent cloud cover, especially in autumn and winter, can diminish solar irradiance.

To mitigate these issues, consider installing panels at a steeper angle to promote snow sliding off. Additionally, using high-efficiency panels and ensuring regular maintenance, including snow removal, can help maintain optimal performance. Implementing a ground-mounted system might also facilitate easier access for cleaning and maintenance during winter months.

In conclusion, while Saint-Jean-sur-Richelieu offers excellent solar potential during summer and spring, the significant drop in production during autumn and winter presents challenges. Careful planning and appropriate system design are crucial to maximize the benefits of solar PV in this location throughout the year.

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 Saint-Jean-sur-Richelieu

Seasonal solar PV output for Latitude: 45.2832, Longitude: -73.2792 (Saint-Jean-sur-Richelieu, 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:

Average 5.88kWh/day in Summer.

Average 2.84kWh/day in Autumn.

Average 1.81kWh/day in Winter.

Average 5.27kWh/day in Spring.

Ideally tilt fixed solar panels 39° South in Saint-Jean-sur-Richelieu, Canada

To maximize your solar PV system's energy output in Saint-Jean-sur-Richelieu, Canada (Lat/Long 45.2832, -73.2792) 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.

At Latitude: 45.2832, Longitude: -73.2792, the ideal angle to tilt panels is 39° South

Seasonally adjusted solar panel tilt angles for Saint-Jean-sur-Richelieu, 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 Saint-Jean-sur-Richelieu, Canada. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 39° South tilt angle throughout the year.

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 Saint-Jean-sur-Richelieu, 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 Saint-Jean-sur-Richelieu, 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 Saint-Jean-sur-Richelieu, Canada

The area around Saint-Jean-sur-Richelieu, Canada, is characterized by relatively flat terrain. This region is part of the Saint Lawrence Lowlands, a broad plain that stretches along the Saint Lawrence River. The landscape is predominantly level, with only gentle undulations and low hills scattered throughout the area.

The Richelieu River, which flows through Saint-Jean-sur-Richelieu, has shaped much of the local topography. The river valley is wide and shallow, with fertile floodplains on either side. These floodplains gradually rise to slightly higher ground as you move away from the river, but the overall elevation change is minimal.

To the west of Saint-Jean-sur-Richelieu, you'll find Mont Saint-Grégoire, a small isolated hill that stands out in the otherwise flat landscape. This hill, also known as Mount Johnson, is the remnant of an ancient volcanic intrusion and rises to about 250 meters above sea level, providing a notable landmark in the region.

For large-scale solar PV installations, the areas most suited would be the open agricultural lands surrounding Saint-Jean-sur-Richelieu. These areas offer several advantages for solar energy production:

1. Flat terrain: The level ground makes it easier and more cost-effective to install large arrays of solar panels.
2. Minimal shading: With few natural obstacles like mountains or dense forests, there's less risk of shading that could reduce solar panel efficiency.
3. Abundant open space: The agricultural lands provide ample room for extensive solar farms without encroaching on urban areas.
4. Good solar exposure: The region receives adequate sunlight throughout the year, especially in the summer months.

Specifically, the areas to the east and south of Saint-Jean-sur-Richelieu, where there are expansive farmlands, would be particularly well-suited for large-scale solar PV installations. These locations offer a combination of flat terrain, minimal obstructions, and sufficient distance from densely populated areas, making them ideal candidates for solar energy development.

However, it's important to note that any large-scale solar project would need to balance energy production goals with preserving valuable agricultural land and considering local environmental impacts. Careful planning and consultation with local authorities and communities would be necessary to ensure sustainable development of solar resources in this region.

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:

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

• 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.

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

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

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

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

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!

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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.

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