At its closest points to shore, the lease area is approximately 8.7 nautical miles from Maryland and about 9 nautical miles from Sussex County, Delaware

Project includes up to 114 wind turbine generators, up to four offshore substation platforms, one meteorological tower, and up to four offshore export cable corridors.    

Looks like the cables will indeed come ashore in Delaware, as they're using the wording:  "Once operational, the project could generate more than 2 gigawatts of clean energy for the Delmarva Peninsula"