A recent study by the US, Lawrence Berkeley Nation Lab on the cost of solar energy installations has dropped by over 30% in the years 1998 to 2008. The price per watt was just over US$12 in 1998 and has decreased to under US$8 by last year. The study covers all types and sizes of photovoltaic solar generation and indicated [...]

When thinking about any type of new installation the upfront price that you will pay is always a big deciding factor.  How much does solar hot water cost! Unlike some other solar systems, a hot water installation using solar energy might not be as expensive as you first think. First of all there is not really one type of system [...]