NSPS · New Source Performance Standards
Federal emission standards for new combustion sources; their tightening is closing the 'temporary turbine' classification that made bridge generation quick to permit.
Current numbers
~5 ppm -> sub-2 ppmNOx from a high-utilization natural-gas turbine with combustion controls + SCR (NSPS bar); 2026 SCR platforms market sub-2 ppm
<=24 mo'temporary turbine' subcategory window (<850 MMBtu/h) regulators are narrowing under the 2026 NSPS — the bet that is closing