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Flag of CanadaSolar PV Analysis of Lewisporte, Canada

Graph of hourly avg kWh electricity output per kW of Solar PV installed in Lewisporte, Canada (by season)

Lewisporte, Newfoundland and Labrador, Canada presents significant challenges for year-round solar energy generation, making it a less than ideal location for solar PV installations. Located in Newfoundland's Northern Temperate Zone, this area experiences dramatic seasonal variations in solar energy production that reflect the extreme differences between its long winter nights and extended summer days.

Seasonal Solar Performance

The solar energy output at Lewisporte varies dramatically throughout the year. Summer provides the most productive period, generating 5.52 kWh per day per kW of installed solar capacity. This makes June through August the optimal time for solar energy production at this location. Spring offers moderate solar generation at 3.85 kWh per day per kW, making it the second-best season for solar production. Autumn sees a significant drop to 2.24 kWh per day per kW, while winter presents the most challenging conditions with only 1.10 kWh per day per kW of installed capacity.

Optimal Panel Configuration

For fixed panel installations at Lewisporte, Newfoundland and Labrador, the ideal tilt angle is 41 degrees facing south to maximize total year-round solar production. This angle is calculated based on the location's latitude and weighted solar irradiance data throughout the year to optimize overall annual energy output.

Environmental and Weather Challenges

Several significant factors can impede solar production at this northern location. Snow accumulation during the extended winter months poses the most serious challenge, as it can completely block solar panels and eliminate energy production for extended periods. Ice formation presents another major obstacle, particularly during freeze-thaw cycles in late winter and early spring. Ice can damage panels and create safety hazards during maintenance. The coastal location also means frequent fog and marine weather patterns can reduce solar irradiance even during otherwise sunny periods. High winds are common in this exposed coastal area, which can damage improperly secured installations and blow debris onto panels. Salt air from the nearby ocean can cause corrosion of mounting hardware and reduce panel efficiency over time if not properly addressed.

Preventative Installation Measures

Several strategies can help maximize solar production despite these challenges:
  • Install panels at steeper angles (potentially exceeding the optimal 41 degrees) to promote natural snow shedding
  • Use high-quality, corrosion-resistant mounting hardware rated for marine environments
  • Implement robust structural support systems designed for high wind loads
  • Install heating elements or snow removal systems for critical applications
  • Choose panels with anti-reflective coatings that perform better in low-light conditions
Regular maintenance becomes crucial in this environment, including frequent cleaning to remove salt deposits and debris, and prompt snow removal during winter months. Despite these measures, the fundamental limitation of extremely low winter production makes Lewisporte a challenging location for solar energy systems that require consistent year-round output.

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 Lewisporte

Seasonal solar PV output for Latitude: 49.2331, Longitude: -55.0693 (Lewisporte, 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:

Summer
Average 5.52kWh/day in Summer.
Autumn
Average 2.24kWh/day in Autumn.
Winter
Average 1.10kWh/day in Winter.
Spring
Average 3.85kWh/day in Spring.

 

Ideally tilt fixed solar panels 41° South in Lewisporte, Canada

To maximize your solar PV system's energy output in Lewisporte, Canada (Lat/Long 49.2331, -55.0693) throughout the year, you should tilt your panels at an angle of 41° 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.

The sun
At Latitude: 49.2331, Longitude: -55.0693, the ideal angle to tilt panels is 41° South

Seasonally adjusted solar panel tilt angles for Lewisporte, 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 Lewisporte, Canada. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 41° South tilt angle throughout the year.

Overall Best Summer Angle Overall Best Autumn Angle Overall Best Winter Angle Overall Best Spring Angle
33° South in Summer 52° South in Autumn 63° South in Winter 41° South in Spring

Assuming you can modify the tilt angle of your solar PV panels throughout the year, you can optimize your solar generation in Lewisporte, Canada as follows: In Summer, set the angle of your panels to 33° facing South. In Autumn, tilt panels to 52° facing South for maximum generation. During Winter, adjust your solar panels to a 63° angle towards the South for optimal energy production. Lastly, in Spring, position your panels at a 41° angle facing South to capture the most solar energy in Lewisporte, Canada.

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 Lewisporte, 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 Lewisporte, 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.






Please enter information above to calculate panel spacing.

Topography for solar PV around Lewisporte, Canada

Topographical Features of Lewisporte

Lewisporte sits along the shores of Notre Dame Bay on the northeastern coast of Newfoundland, positioned within a landscape characterized by low rolling hills and coastal plains typical of central Newfoundland. The immediate area around the town features relatively gentle terrain with elevations rarely exceeding 200 meters above sea level. The topography consists primarily of ancient bedrock formations covered by glacial deposits, creating a somewhat undulating landscape dotted with numerous small lakes, wetlands, and patches of boreal forest.

The coastline near Lewisporte is highly irregular, featuring numerous inlets, coves, and small islands that create a complex maritime environment. Moving inland from the coast, the terrain gradually rises through a series of low ridges and valleys carved by glacial action during the last ice age. These features create a mosaic of different microclimates and drainage patterns throughout the region.

The area experiences significant influence from its maritime location, with the nearby ocean moderating temperature extremes throughout the year. The landscape is predominantly covered by mixed boreal forest, consisting of spruce, fir, birch, and other cold-adapted species, interspersed with areas of bog, marsh, and cleared land used for agriculture or development.

Optimal Areas for Large-Scale Solar Development

The most suitable locations for large-scale solar photovoltaic installations around Lewisporte would be the elevated plateaus and gentle south-facing slopes found approximately 5 to 15 kilometers inland from the coast. These areas offer several advantages including reduced maritime influence, which can minimize fog and low cloud formation that often affects coastal zones. The slightly higher elevations also provide better drainage and typically experience less frequent ground fog conditions.

The cleared agricultural lands and former logging areas scattered throughout the region present excellent opportunities for solar development, as they already have reduced tree cover and established access routes. These locations often feature relatively flat or gently sloping terrain that would require minimal site preparation for solar panel installation.

Areas to the south and southwest of Lewisporte, particularly around the higher ground near Gander Lake and extending toward the Trans-Canada Highway corridor, offer promising conditions for solar installations. This region benefits from slightly more continental climate conditions compared to the immediate coastal zone, potentially reducing the frequency of marine-influenced weather patterns that can limit solar irradiance.

The terrain along the major transportation corridors, including areas near Route 1 and Route 340, provides practical advantages for large-scale solar development due to existing infrastructure for construction access and electrical grid connectivity. These locations typically feature cleared rights-of-way and relatively stable ground conditions suitable for supporting solar panel arrays and associated equipment.

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

Article: Solar PV Analysis of Lewisporte, Canada
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Wednesday 6th of August 2025
Last Updated: Friday 8th of August 2025

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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.

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