Solar Energy Potential in Portland, United States
Solar Overview
Portland enjoys an average of 2,284 sun hours annually, making it suitable for solar energy solutions. With a temperate oceanic climate and a typical electricity price of $0.180 per kWh, residents can explore how solar can contribute to reducing energy costs.
Geographic Impact
With coordinates of 45.5152° latitude, Portland experiences a temperate oceanic climate, characterized by wet winters and dry summers. This location allows for a fair number of sun hours, particularly from late spring to early fall.
Rating Methodology
The solar potential rating for Portland is classified as average. The 2,284 average annual sun hours indicate a decent opportunity for solar energy generation, though slightly less than cities with higher ratings.
Understanding the Data
The data chart for Portland illustrates the distribution of sun hours throughout the year. The peak sun months are June, July, and August. These months typically provide the most solar energy generation opportunities due to longer, sunnier days.
Cost & Savings Outlook
At the electricity price of $0.180/kWh, solar installations can offset a significant share of electricity costs over time, particularly in peak production months.
How It Compares
When compared to Seattle and Boston, both rated average for solar potential, Portland offers a similar opportunity for solar energy adoption given the comparable annual sun hours in these cities.
Installation Considerations
Homeowners in Portland should consider the temperate climate, which can lead to variations in solar panel performance based on seasonal temperature changes. Ensuring appropriate panel placement and angle is vital to optimize energy collection.
Local Incentives
Check local and national incentive programs, which vary by country and region, to explore available financial benefits for solar installation.
Compare Solar Potential in United States
The seasonal variation in Portland reflects a typical temperate oceanic climate, with longer daylight hours in summer contributing to increased solar energy generation potential during those months.
At a latitude of 45.5152°, optimal panel tilt angles will be key for maximizing energy production. For Portland, a tilt angle of around 30 to 40 degrees may be considered to account for seasonal changes and maximize sun exposure.
Frequently Asked Questions
How many sun hours does Portland receive annually?
Portland receives an average of 2,284 sun hours per year.
What is the average temperature in Portland?
The average temperature in Portland is approximately 13.6°C.
Which months are ideal for solar energy production in Portland?
The peak sun months in Portland are June, July, and August.
What is the typical electricity price in Portland?
The typical electricity price in Portland is $0.180 per kWh.
How does Portland's solar potential compare to Seattle and Boston?
Portland, Seattle, and Boston all have an average solar potential rating, indicating similar opportunities for solar energy generation.
What are the key considerations for installing solar panels in Portland?
Key considerations include panel tilt angle due to latitude and adapting to seasonal temperature variations to optimize energy production.
Solar Resource & Estimated Production
Irradiance data for Portland hasn't been processed yet — check back soon.
Recommended Panel Orientation
Tilt angle: 46° from horizontal
Azimuth: 180° (true South)
Standard year-round heuristic based on latitude — a professional installer can optimize further for your roof.
Monthly Daylight Hours
Jan
8.9h
Feb
10.1h
Mar
11.6h
Apr
13.3h
May
14.7h
Jun
15.5h
Jul
15.2h
Aug
13.9h
Sep
12.3h
Oct
10.7h
Nov
9.2h
Dec
8.5h
Location Map
How Portland Compares
| City | Sun Hours/Year | Irradiance (kWh/m²/day) | Rating |
|---|---|---|---|
| Portland (this city) | 2,284 | N/A | — |
| Seattle | 2,269 | N/A | Average |
| Boston | 2,352 | N/A | Average |
| Chicago | 2,443 | N/A | Average |
| Philadelphia | 2,480 | N/A | Good |
| Denver | 2,969 | N/A | Good |
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