Section 284.505 - Market-based rates for storage providers without a market-power determination(a) Any storage service provider seeking market-based rates for storage capacity, pursuant to the authority of section 4(f) of the Natural Gas Act, related to a specific facility put into service after August 8, 2005, may apply for market-based rates by complying with the following requirements: (1) The storage service provider must demonstrate that market-based rates are in the public interest and necessary to encourage the construction of the storage capacity in the area needing storage services; and(2) The storage service provider must provide a means of protecting customers from the potential exercise of market power.(b) Any storage service provider seeking market-based rates for storage capacity pursuant to this section will be presumed by the Commission to have market power.