12 Powerhouse Lane Katoomba NSW 2780,  (02) 4782 6116.  Battery hybrid systems now in stock. Call now to ask about our solution for energy storage using SMA and LG Chem.    Blue Mountains Solar Pty Ltd is part of an electrical contracting company that’s been in business for over 20 years. All our installations are completed by the one crew. Over the last 6 years they have installed over 1,500 systems.  Blue Mountains Solar use and recommend SunPower's E20 327W Solar panel. The SunPower Maxeon solar cell is the only cell built on a solid copper foundation. Virtually impervious to the corrosion and cracking that degrade conventional panels.   High Efficiency E- Series panels convert more sunlight to electricity producing 31% more power per panel.