The Public Service Commission regulates public utilities and works to ensure that Delaware consumers are protected. 
Al owners of solar arrays that are connected to the grid must fill out an application and become certified through the Public Service Commission to be eligible to produce and generate solar renewable energy credits (SRECs).
Details and applications can be found on the PSC website.
If you upgrade an existing system or deactivates a system because of a change of ownership, you need to file a form with the PSC.
Installers must file Eligible Energy Resource application forms through the DelaFile electronic filing system.