According to the national renewable energy labs the installed cost of solar energy systems has fallen each year by an average of 6 to 8 percent.
How have solar panels developed over time.
Dependency on foreign energy resources.
Yet the 2015 issue of my book is the nineth edition.
As we enter an important new era in solar power s history it s more important than ever to remember just how far solar power has come.
Solar power has undoubtedly developed in leaps and bounds from nothing more than a futuristic sci fi concept to not only a viable energy source but australia s preferred energy source.
In the 1970s an oil shortage brought awareness of u s.
Cost of solar panels over time.
The falling cost of solar electricity.
In 1956 solar panels cost roughly 300 per watt.
Solar energy is radiant light and heat from the sun that is harnessed using a range of ever evolving technologies such as solar heating photovoltaics solar thermal energy solar architecture molten salt power plants and artificial photosynthesis.
In addition to those resources an internet search can help you find local companies that install solar panels.
Solar panels are getting more efficient batteries and inverters are becoming smarter and cheaper and the solar options for homeowners have never been more diverse.
Solar power technology has been around for over 150 years but the technology is still developing faster than ever.
Our timeline below highlights some of the most momentous.
In addition to solar panel efficiency increasing dramatically solar panel producers have significantly improved their manufacturing processes.
Over a decade ago in 2009 the cost of a solar panel installation was 8 50 per watt.
It is not a long time ago.
The very first solar cells invented in the 1800s were less than one percent efficient not nearly enough to make them a useful energy source.
The cost of solar energy has plunged in recent years.
A tale of falling prices.
The solar industry today looks very different.
There are a number of mapping services that have been developed by seto awardees that will help you determine if your roof is suitable for solar and can even provide you with quotes from pre screened solar providers in your area.
By 1975 that figure had dropped to just over 100 a watt.
I wrote the first edition of my solar electricity handbook early in 2009.
Cost of solar over time prices for solar panels have dropped substantially over the past few decades leading to a surge in consumer demand that has produced more than one million u s.
Installations as of early 2016.
Solar panels as a viable energy alternative.
It is an essential source of renewable energy and its technologies are broadly characterized as either passive solar or active solar depending.
Because you will likely have many options to choose.
In each edition i have had to rewrite significant sections of the book in order to keep up with the rapid pace of change.