The Commissioner of Energy and Environmental Protection may provide outdoor recreation-related services to the public at state park and forest recreation areas. Such services may include rentals of bicycles, boats, cabins and tents, sale of firewood and operation of camp stores supplying camping necessaries. Fees for such services shall be set by the commissioner, according to market value. Revenue from such services shall be deposited in the Passport to the Parks account established pursuant to section 23-15h for use in the state park and forest facilities. Such services and fees shall not affect admission, parking, camping and related existing fees. No services shall compete with a concessionaire under contract with the Department of Energy and Environmental Protection at the time such service is offered.