Industry
Articles, answers, and practical guidance about industry.
Watts Up Solar knowledge library
Solar answers that stay useful
Practical guidance for choosing, owning, and getting more from your solar system, written by the team that designs and supports them.
Start with a subject
Explore by topic
The full library
Latest insights
Solar FAQs
What is solar energy? Solar energy is radiation from the Sun that is capable of producing heat, causing chemical reactions, or generating electricity. There...
TIER-1 Solar Panel Reality
Understanding the Concept of "Tier-1" Solar Panels Firstly, it's important to clarify a common misconception in the solar industry - the term "Tier-1"....
Clean Technology Investment Tax Credit
Clean Technology Investment Tax Credit The Clean Technology Investment Tax Credit is a refundable credit equal to 30% of the capital cost of eligible clean...
How do I restart or reboot my Gateway?
To restart or reboot the Gateway, turn off the Gateway breaker or unplug it from the power outlet (depending on your Gateway model). Wait 30 seconds before...
Where do I find my system Site ID?
How System Owners Using MyEnlighten Can Access Their System Site ID 1. Log into MyEnlighten. 2. Access the Overview tab. 3. Locate Your System Site ID: •...
How do I transfer ownership of an Enphase system?
If you have recently purchased a house or building with an Enphase system and would like to gain ownership of the system, please follow these steps: 1....
Why is my PV module rating larger than my inverter rating?
Understanding the DC Ratio in Solar Panel Systems What is the DC Ratio? The difference between the wattage of the panel and the wattage of the inverter is...
How to fix a 'Production Issue' system error message?
What to Do When Your System Shows a Production Issue Error Where Will You See the ‘System Production Issue’ Error? If your system is experiencing production...
What is the difference between a watt and a watt-hour?
Understanding the Difference Between Watts and Watt-Hours Knowing the difference between a watt (W) and a watt-hour (Wh) helps you understand the impact of...
How to perform regular maintenance of my solar energy system?
How to Care for Your Enphase Microinverters Learn about the care and maintenance of Enphase Microinverters. The Enphase Microinverter system requires...
Storm Tips for PV System Owners
Storm Preparedness for Your Solar PV System We want you and your family to be safe during storms and their aftermath. We also want your solar investment to...
How to fix a 'Gateway not reporting' system error message?
Reconnecting Your Gateway to Wi-Fi Has your system stopped reporting data? Has your Internet Wi-Fi password or provider changed? Start here to get your...