[{"setter":"Gas","share_of_half_hours":0.6192,"share_of_generation":0.6245,"share_of_hours":0.5564},{"setter":"Coal","share_of_half_hours":0.05,"share_of_generation":0.0566,"share_of_hours":0.0343},{"setter":"Gas, fleet at its limits","share_of_half_hours":0.0226,"share_of_generation":0.0269,"share_of_hours":0.0126},{"setter":"Above fossil cost","share_of_half_hours":0.061,"share_of_generation":0.0731,"share_of_hours":0.0498},{"setter":"Below fossil cost","share_of_half_hours":0.2472,"share_of_generation":0.219,"share_of_hours":0.2084}]