public class Add { private static String rightJustify( String s , int newLength ) { while( s.length() < newLength ) { s =   + s ; } return s ; } private static void justifyAndPrint( String leadingText , int number , int totalLength ) { // convert the number to text String s =  + number ; System.out.println( leadingText + rightJustify( s , ...
Why Solar Energy? A typical residential solar PV panel system in the U.S. costs $3.60/watt after installation, and the solar panels typically save the customer over $20,000 (net) over the course of 20 years. Learn more about the many advantages of solar energy.
How much do solar panels cost? Solar panel costs can vary from $18,000 to $20,000* for a standard system if you buy it outright. The good news is many companies offer several ways to get solar energy with little to nothing upfront and you can actual save on your energy costs. This guide is to give you a general understanding of how you can make solar a reality.