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Climate

San Francisco Could Ban Natural Gas in New Buildings

Natural gas accounts for roughly 40% of San Francisco’s overall emissions of planet-warming gases and 80% of its buildings’ emissions. 
Kevin Stark
A Kenmore natural gas stove in a San Francisco apartment on July 17, 2019.  (Lindsey Moore/KQED)

On Tuesday, a San Francisco district supervisor unveiled a proposal to ban the use of natural gas in new construction and for major building renovations.

The measure, if approved, would eliminate natural gas in nearly all new buildings — from homes to towering commercial buildings —that apply for a permit for construction after Jan. 1, 2021.

San Francisco already banned natural gas for any new city building.

The proposal follows Berkeley’s ban, the first in the U.S., but San Francisco’s plan will be a bigger lift as natural gas — through heating and cooking — is the leading source of carbon emissions in the city with towering skyscrapers and more than 880,000 people. 

Natural gas accounts for roughly 40% of San Francisco’s overall emissions of planet-warming gases and 80% of its buildings’ emissions. 

The ordinance could apply to 54,303 homes, or about 65% of the units in San Francisco’s development pipeline, and 32 million square feet of commercial space, city officials said.

San Francisco District 8 Supervisor Rafael Mandelman outlined the gas ban in a virtual press conference with Debbie Raphael, director of the city’s Department of the Environment, and Patrick O’Riordan, interim director of the city’s Department of Building Inspection.

“Building electrification is a critical component to achieving our city’s bold climate action goals, including our commitment to net zero emissions by 2050 or earlier,” Mandelman said.

Natural gas lines leak methane, one of the most potent climate pollutants, directly into the atmosphere.

Gas lines that break during a major earthquake, construction accident or other moments, also pose a risk of explosion.

“Critically, an all electric future also means a safer and healthier environment for today’s San Franciscans and for future generations,” he said. “Many of us will remember the tragic natural gas explosion in San Bruno in 2010 that leveled an entire neighborhood.”

Restaurants will have a temporary exemption from the ban and can apply to hook up gas stoves and other cooking equipment through Jan. 1, 2022, according to Cyndy Comerford, climate program manager for the city’s Department of the Environment. 

The California Restaurant Association challenged Berkeley’s natural gas ban, but did not immediately respond to a request for comment on San Francisco’s proposal. 

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