One of the most important tasks when installing a PV system is wire management. This task is sometimes overlooked by installers or not given enough attention. Installers that take their wire...
The Problem Many inverters installed in the last 10+ years are now failing and are no longer protected by the original product warranty. With limited possibilities of extending warranty coverage,...
Lead-Acid batteries are still the most common form of energy storage for photovoltaic systems. A lead-acid battery charges, stores, and discharges energy based on a chemical reaction of the metal...
As we dive into the second half of the decade, it is inevitable that renewable energy will play a leading role in the electricity generation mix. Wind and solar power represent the majority of new...
1) How often do I need to charge or "top off" my lead-acid batteries? Maintaining your batteries is the key ingredient to ensuring that your battery bank reaches its designed life...
Types of Lead Acid Batteries (Wet / AGM / Gel) Wet (aka Flooded) Wet batteries are generally less expensive than the two other main types, AGM and Gel. A well-maintained wet battery...
NEC 2014: Article 690.12 “Rapid Shutdown of PV Systems on Buildings” There were several changes to the 2014 NEC code that affect PV systems. Of these changes, the most notable is article 690...
The gaining popularity of AC-coupled PV systems brings to light a subtle, yet key difference between the two types of inverters used in this system architecture. To start, what are the two types...
NRTL certification means your solar panels and solar modules conform to safety, health, and environmental standards as required by: NEC, OSHA, and the National Fire Prevention Association. NRTL...