Watson Lake, located in the Yukon Territory of Canada, presents significant challenges for year-round solar energy generation due to its extreme northern latitude. Situated at 60.064°N, -128.7016°W, this location experiences dramatic seasonal variations in daylight hours and solar intensity, which greatly impact the potential for solar PV energy production.

Seasonal Solar Output

The solar energy output at Watson Lake varies drastically throughout the year:

• Summer: 5.28 kWh/day per kW installed
• Spring: 4.34 kWh/day per kW installed
• Autumn: 1.44 kWh/day per kW installed
• Winter: 0.68 kWh/day per kW installed

These figures clearly illustrate that solar energy production is most favorable during the summer months, with spring also offering good potential. However, autumn and especially winter present significant challenges due to extremely limited daylight hours and low sun angles.

Optimal Panel Tilt

For fixed panel installations in Watson Lake, the ideal tilt angle to maximize year-round solar production is 50 degrees facing south. This angle helps optimize energy capture during the productive summer months while also improving performance during the shoulder seasons.

Environmental and Weather Factors

Several environmental and weather-related factors can impede solar production in Watson Lake:

1. Snow accumulation: The region experiences significant snowfall, which can cover panels and reduce efficiency. Installing panels at a steeper angle and using snow-shedding systems can help mitigate this issue.

2. Extreme cold temperatures: Watson Lake's subarctic climate can lead to very low temperatures, potentially affecting solar panel efficiency. Choosing cold-resistant panels and ensuring proper insulation of electrical components is crucial.

3. Limited winter daylight: The extremely short days during winter months severely restrict solar energy production. While this can't be prevented, incorporating energy storage solutions and complementary energy sources is advisable.

4. Forest fire smoke: The region is prone to forest fires, which can create smoke and haze, reducing solar irradiance. Regular panel cleaning and monitoring air quality reports can help manage this issue.

In conclusion, while Watson Lake can produce significant solar energy during summer and spring, the location presents considerable challenges for year-round solar PV generation. Careful system design, appropriate technology selection, and supplementary energy sources are essential for effective solar energy utilization in this northern community.

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 Watson Lake

Seasonal solar PV output for Latitude: 60.064, Longitude: -128.7016 (Watson Lake, 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 50° South in Watson Lake, Canada

To maximize your solar PV system's energy output in Watson Lake, Canada (Lat/Long 60.064, -128.7016) throughout the year, you should tilt your panels at an angle of 50° 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 Watson Lake, 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 Watson Lake, Canada. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 50° South tilt angle throughout the year.

Overall Best Summer Angle	Overall Best Autumn Angle	Overall Best Winter Angle	Overall Best Spring Angle
43° South in Summer	62° South in Autumn	72° South in Winter	52° 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 Watson Lake, 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 Watson Lake, 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 Watson Lake, Canada

The area surrounding Watson Lake, Canada, located at 60.064° North latitude and 128.7016° West longitude, is characterized by a diverse and rugged topography typical of the northern Canadian wilderness. This region is part of the Yukon Territory and sits within the Liard River basin, nestled in the southeastern corner of the Yukon near the border with British Columbia. The landscape around Watson Lake is dominated by rolling hills, expansive boreal forests, and numerous lakes and rivers. The terrain is generally undulating, with elevations ranging from around 600 to 1,000 meters above sea level. The area is dotted with countless small lakes and ponds, giving rise to its nickname as the "Gateway to the Yukon's Lakes District." To the west and northwest of Watson Lake, the topography becomes more mountainous as it transitions into the Cassiar Mountains, a subrange of the larger Coastal Mountains. These mountains feature steep slopes, deep valleys, and some peaks reaching heights of over 2,000 meters. The eastern and southern regions are relatively flatter, with gentler hills and broader valleys.

Potential for Large-scale Solar PV

When considering areas near Watson Lake for large-scale solar photovoltaic (PV) installations, several factors must be taken into account. The region's high latitude means it experiences long summer days but short winter days, which affects solar potential throughout the year. The most suitable areas for solar PV development would likely be found in the flatter, more open spaces to the east and south of Watson Lake. These areas offer several advantages: 1. They have fewer obstructions from mountains and dense forests, allowing for more consistent sunlight exposure. 2. The gentler terrain makes construction and maintenance of solar installations more feasible and cost-effective. 3. There is potentially more available land that could be repurposed for solar farms without significant environmental disruption. However, it's important to note that the overall solar potential in this region is limited compared to more southern latitudes. The long, dark winters and the region's generally cloudy climate pose challenges for year-round solar energy production. Any large-scale solar PV project in this area would need to carefully consider these factors and potentially incorporate energy storage solutions to maximize efficiency and reliability. Despite these challenges, advancements in solar technology and the push for renewable energy sources may make solar PV installations increasingly viable in northern regions like Watson Lake in the future. Careful site selection, environmental impact assessments, and integration with other energy sources would be crucial for the success of any such projects in this unique and sensitive northern ecosystem.

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!

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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.