Del. Code tit. 5, § 138

A hearing conducted pursuant to § 136, § 137 or § 143 of this title shall be conducted in accordance with Chapter 101 of Title 29; provided, however, that such a hearing shall be a nonpublic hearing, notwithstanding any statute or rule to the contrary. A nonpublic hearing shall be identical in all respects to a public hearing; provided, however, that the notice of hearing, the transcript, the proposed findings and conclusions of the Commissioner, the findings and conclusions of the Commissioner and other papers which are filed in connection with any hearing shall not be made public.