San Diego Gas and Electric Co. (SDG&E) last month distributed $64 in credits to all residential customers, similar to actions earlier this year by the state’s other investor owned utilities (IOU) as part of the annual payoff from the quarterly cap-and-trade auctions.

Since the program kicked off in 2012-2013, the IOUs have received $7.36 billion from the pollution credit auctions administered by the California Air Resources Board and extended to 2030 by the state legislature in 2017 under Assembly Bill (AB) 398. A second quarter auction garnered $257.9 million for the IOUs.

Sempra Energy’s SDG&E said for August and September, residential electric customers would see monthly credits of $32.28. For April, SDG&E gas utility customers received a $21.11 monthly credit while...