The Enercept meter is actually built into a current transformer (CT). We commonly integrate this meter at data centers, solar farms, and industrial facilities. It’s a good solution when considering ease of installation because you don’t have to cut any holes or mount any CT shorting terminals.
However, safety is a key concern with this meter. To work on this meter, it typically requires a shutdown because you must access the electrical equipment. From a supportability standpoint, if you have an issue with this meter OSHA regulations make it a challenge to maintain.
To avoid these problems, and still integrate a great meter with simple installation, check out the EM4300.