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Solar and Electricity Data for Altadena, CA: Does a Solar Installation Make Sense?

Altadena, CA at a glance

Overall Cloud Coverage Precipitation UV Index Electricity Cost
7.3/10 9.8/10 9.2/10 7.9/10 9.8/10
Excellent 21% daily 2 inches monthly 5 on average 0.2/kw


In Altadena, California, installing solar panels on your home can be a smart financial decision. By analyzing weather data and electricity costs specific to Altadena, we can show you how much money you can save by going solar. With a breakdown of the cost of a solar system and an estimate of how long it will take to break even, we aim to help you make an informed decision that will benefit your wallet in the long run.

Altadena California Weather Trends

Altadena Precipitation

With Altadena receiving 23.95 inches of precipitation in the last year, it falls below the national average of 50.61 inches and slightly above California’s average of 31.54 inches. The lower precipitation levels in Altadena can benefit solar panel efficiency, as excess rain can reduce the effectiveness of solar energy production. Installing solar panels in Altadena, with its drier climate, can lead to increased savings on your electricity bill.

Altadena’s UV Rating

Altadena’s average UV rating of 5.05 in the last year surpasses both the national average of 4.29 and California’s average of 4.76. The abundant sunshine in Altadena makes it an ideal location for harnessing solar energy. Higher UV ratings mean greater solar panel efficiency, ultimately leading to more savings on your electricity costs. By going solar in Altadena, you can take advantage of the ample sunlight to power your home.

Altadena’s Cloud Cover

Altadena’s average cloud cover of 21% in the last year is significantly lower than the national average of 44.46% and California’s average of 31.53%. With clear skies on most days, Altadena offers optimal conditions for solar energy generation. Less cloud cover means more sunlight reaches your solar panels, increasing their productivity. By choosing to install solar panels in Altadena, you can maximize your energy savings and reduce your carbon footprint.

Altadena California Electricity Costs

Altadena residents pay about $0.2/kw for electricity, which is higher than the national average of $0.13/kw but slightly lower than California’s average of $0.21/kw. Despite the higher electricity costs compared to the national average, investing in solar panels in Altadena can help offset these expenses over time. By generating your own clean and renewable energy, you can reduce your reliance on traditional electricity sources and enjoy long-term cost savings. With Altadena’s favorable climate conditions and electricity rates, going solar is a financially wise decision for homeowners in the area.

When could you expect to break even on a solar installation in Altadena California?

Considering the weather and electricity costs in Altadena California, let’s break down the investment in solar panels and see how long it would take to make up the initial cost.

First, let’s look at the weather data:

  • Altadena California receives less precipitation compared to the national average, making it a suitable location for solar panels.
  • The UV ratings in Altadena California are higher than the national average, creating good conditions for generating solar power.
  • Altadena California has lower cloud cover compared to the national average, providing more sunlight for solar panels to work efficiently.

Now, let’s consider the electricity costs:

  • Residents in Altadena California pay more for electricity compared to the national average cost.

With this information, let’s break down the costs:

  • A standard solar system of 10kW costs $20,000.
  • This system is expected to last between 25 and 30 years.

To find out how long it would take to break even on this investment, we need to calculate the annual savings from using solar power. Here’s how:

  • The system generates electricity, reducing the amount needed from the grid and saving money on electricity bills.
  • Given the higher electricity costs in Altadena California, the savings will be more significant.

After analyzing the data, it appears that it would take approximately 6-7 years to cover the initial cost of the solar panels in Altadena California. This means that after this period, the savings on electricity bills will start to accumulate and offset the investment. Since solar panels have a long lifespan, these savings will continue for many years, making it a wise financial decision in the long run.

Investing in solar power in Altadena California

Installing solar panels in Altadena, California is a smart financial choice due to the region’s weather conditions and electricity costs. With lower precipitation, higher UV ratings, and less cloud cover than national averages, Altadena offers optimal conditions for solar energy production. Despite higher electricity costs compared to the national average, investing in solar panels can lead to significant long-term savings. Based on our analysis, it would take approximately 6-7 years to break even on the initial cost of a solar system in Altadena. Not only will you save money on electricity bills, but you will also reduce your carbon footprint. In conclusion, going solar in Altadena is a wise decision that can benefit both your wallet and the environment in the long run.