New PV system owners will have until the end of 2019 to qualify for the full 30% Investment Tax Credit (ITC) before its inevitable step-down. The clock is ticking! The ITC is the most impactful...
Most electricians and solar installers across the country are intimately familiar with the National Electric Code (NEC). Published every three years by the National Fire Protection Association (NFPA...
Online reviews are the new form of marketing currency for solar installers. Once a homeowner or business is approached by a solar salesperson, one of their first actions will be to Google the...
While there is a lot of excitement about solar energy, it can, and often does, take a long time to educate a customer on why they should actually invest in “going solar.” The good news is that taking...
Solar integrators use all sorts of tools to complete the tasks that keep their businesses moving forward. These include the obvious hand and power tools to install the solar equipment and the less...
The following is a general breakdown of the ideal tilts to meet the energy demand you are hoping to get out of an array: Year-round loads: Tilt angle equals latitude Winter loads: Tilt angle equals...
When designing a PV system that is tilted or ground mounted, determining the appropriate spacing between each row can be troublesome or a downright migraine in the making. However, it is important...
For many new to photovoltaic system design, determining the maximum number of modules per series string can seem straight forward, right? Simply divide the inverter’s maximum system voltage rating...
A supply side tap is a connection that is made to the busbars or conductors on the line or utility side of the main service disconnect. The line side tap the simplest way of interconnection when...
It seems like a small amount of confusion exists about photovoltaic systems utilizing battery backup features. What’s the confusion? DC and AC-coupled systems are many times referred to as the same...
Introduction As one of the largest and most established vertically integrated photovoltaic (PV) manufacturers on the planet, SolarWorld is intimately involved with every...