Non-export Inverters are the Best
When we say non-export, we are referring to energy flowing in reverse at the utility meter. These inverters can function as stand-alone off-grid, stand-alone grid-backup
June 16, 2025
When we say non-export, we are referring to energy flowing in reverse at the utility meter. These inverters can function as stand-alone off-grid, stand-alone grid-backup
PV system owners only need a utility interconnection agreement if they sell power across the meter into the utility grid. When a PV system has
We have reworked and expanded this course to provide solar technicians with a better understanding of PV system maintenance, failure probabilities and methods of recognizing
There is no telling how many solar jobs there are in this galaxy given the probable billions of solar systems within it, but we do
As of 2024 the solar workforce in the U.S. has grown to over 280,000 full time jobs and another 90,000 part time jobs. That is
More and more people are starting to look for alternative means of power for their homes and business’. Some consumers are simply tired of the
The most common training support for unexperienced new hires is on-the-job-training (OJT). This is the case for several reasons that revolve around time constraints such
Minimum Requirements of the NEC With PV Systems Don’t let the title of this blog fool you. This is not about how to get by
Selling PV Systems! Educating or Misleading Customers?
Selling has many connotations as well as definitions. These fall into two general categories, educating and misleading the potential customer.
How much energy is lost due to inverter clipping when the power form the PV array far exceeds the inverter output rating? And under what conditions do the losses occur?
Today’s interactive inverters allow high PV to inverter size ratios. An example 7.7kW residential inverter allows a PV array STC input rated up to 12.32kW; that is a 160% oversizing. Some utility scale central inverter design allows up to 200% oversizing of the PV array.
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