Robust growth in Texas has led San Diego-based Sempra to crank up its five-year capital expenditures (capex), while the California utility counterparts are doubling down on renewable natural gas (RNG).

During a 2Q2021 earnings conference call, senior executives said the utility holding company showed “strong operational and financial results.”

Southern California Gas Co. connected to two additional biomethane RNG projects, while San Diego Gas and Electric Co. gained state approval for its latest wildfire mitigation plan. Meanwhile, growth in Texas has led Sempra to increase capex for Oncor Electric Delivery Co. by $1.8 billion to $14 billion from  2022-2026.

Booming economic growth and generation interconnection requests should lead to growth in Texas that is 120% higher...