Maybe. Consult Treatment of District of Campus Thermal Energy in LEED V2 and LEED 2009. Depending on the characteristics of your project, commissioning of upstream DES equipment may be required. Commissioning is required only for DES equipment utilized by the LEED project. For example, a project that utilizes district steam but not chilled water is only required to commission DES steam equipment. Commissioning of DES equipment can be performed by the owner of the DES equipment or by an independent third party.