; and (B) shall not be unduly discriminatory or preferential. 6. Data transparency Part II of the Federal Power Act ( 16 U.S.C. 824 et seq. ) is amended by adding at the end the following: 224. Data transparency (a) Data The Commission shall require all public utilities and other entities subject to the jurisdiction of the Commission to make, through coordination with the Environmental Protection Agency and an online database operated by the Administrator of the Energy Information Administration, hourly operating data transparent and accessible to the public, including original source data that— (1) are organized and easy to understand; (2) are centralized and provided in usable formats, including an application programming interface; (3) are available free of charge; (4) are published as close to real-time as is practicable; (5) include generation by fuel type; (6) include hourly marginal greenhouse gas emissions per megawatt-hour of electricity generated within the metered boundaries of each entity and for each specific electrical bus location on the grid where an injection or withdrawal of power is modeled (commonly known as a pricing node ), subject to the condition that the marginal greenhouse gas emissions data made available pursuant to this paragraph shall be measured in the same time interval by which locational marginal price is measured at the same location, but in no case shall the interval by which marginal greenhouse gas emissions are measured for purposes of this paragraph be greater than hourly; (7) include congestion cost and the limiting elements that cause the congestion