Source: SuperGrok The natural gas April–January spread has widened to roughly $1.80 — and that move is speaking loudly. At current levels, the spread is brushing up against — and in some cases exceeding — implied underground storage costs along the U.S. Gulf Coast. Base rates have climbed into the $0.25–$0.35 per Dth per month range, with many contracts now clearing in the low $0.30s. Rising labor and material costs, combined with limited new build capacity, are structurally