The Risks of the Bay Area Air Quality Management District’s (BAAQMD) Gas Ban
The electric-only water heater rules apply to any owner of a home or apartment who replaces a hot water heater after Jan. 1, 2027. They don’t apply to stoves or other appliances.
The rule to ban the sale and installation of all gas-burning furnaces would start Jan. 1, 2029, followed by a ban on gas-powered tankless water heaters Jan. 1, 2031.
As a founder of the Energy & Environment Program for the MIT Club of Northern California in 2003, I fully recognize both the reality of climate change and the importance of reducing harmful emissions. However, I strongly oppose moving forward with bans on gas water heaters and furnaces until our well-intentioned climate warriors do their homework.
The discussion surrounding this proposal has too often framed the issue as a simple choice between environmental responsibility and inaction. It is not. The real question is whether the region should impose sweeping electrification mandates on millions of residents while critical economic, infrastructure, and governance risks remain unresolved.
Three major concerns remain inadequately addressed:
- The cost analysis presented this May remains dangerously incomplete and insufficiently transparent.
The Bay Area Air District has highlighted potential public-health benefits and projected annual savings figures approaching $890 million. Yet the presentation materials fail to provide a meaningful range of probable outcomes, the assumptions driving those projections, or a sensitivity analysis showing how changing energy prices, consumer behavior, installation costs, or grid conditions could materially alter the results.
At the same time, the potential costs imposed on Bay Area residents are enormous. Applying even the District’s own low estimates across roughly three million regional housing units results in costs exceeding $10 billion. Public testimony has already demonstrated that actual retrofit costs may be substantially higher once electrical panel upgrades, wiring changes, permitting, ventilation modifications, structural alterations, and installation constraints are included.
Those costs do not disappear through rebates or subsidies. They are merely transferred from one set of ratepayers or taxpayers to another. Meanwhile, future furnace replacement mandates could impose even larger financial burdens. The full costs of electrifying water heaters, furnaces, and additional electric infrastructure upgrades are potentially above $100 billion, accompanied by higher ongoing costs of operation.
Before regulations of this magnitude proceed, residents deserve a rigorous and independently validated cost-benefit analysis that fully accounts for affordability impacts, implementation variability, and long-term utility cost exposure.
- There are inadequate safeguards to ensure accountability and measurable public benefit.
District staff have proposed reassessing the program after implementation, yet no clear framework has been presented for how costs, benefits, exemptions, compliance burdens, or unintended consequences will actually be measured, audited, and corrected over time.
The economics of electrification are highly dependent on future electricity pricing, utility delivery charges, grid-upgrade costs, and infrastructure reliability – variables that remain uncertain and outside the control of the Air District itself. The proposal also contains no meaningful protections against escalating electric utility costs that residents may face once dependence on electricity becomes mandatory.
Without enforceable accountability standards, transparent auditing mechanisms, and independent policy impact review, the public is effectively being asked to absorb large and potentially open-ended financial risks based on assumptions that may later prove inaccurate.
- The current condition of California’s electric utility system makes mandatory electrification premature and potentially harmful.
The Bay Area should not compel residents into deeper dependence on an electric utility structure that many Californians already view as financially unsustainable, operationally unreliable, and insufficiently accountable.
PG&E’s electricity rates are among the highest in the nation and 230% of the national average. Residents continue to experience recurring rate increases, wildfire-related liabilities, both unplanned and public safety power shutoffs, and mounting infrastructure costs. At the same time, many homeowners face restrictions and CPUC policy obstacles that limit their ability to improve self-sufficiency through expanded rooftop solar or other resilience measures.
This proposal, therefore, raises a legitimate concern: whether residents are being pushed toward greater dependency on a monopoly utility system without corresponding reforms to affordability, reliability, competition, or consumer protection.
Electrification can play an important role in California’s future energy transition. But if we force rapid appliance replacement before utility governance, grid resilience, and long-term affordability are adequately addressed, we risk undermining public trust and imposing disproportionate burdens on working families, seniors, renters, and property owners across the region.
It is also important to recognize that no identical statewide residential replacement mandate currently mirrors the Bay Area Air District’s approach. Even other California air districts pursuing emissions reductions have generally moved more cautiously, with broader exemptions and greater consideration of implementation challenges.
There are additional equity concerns for working-class families. Wealthier homeowners can offset high rates with rooftop solar, while renters and middle-income families – who cannot install solar – will be “trapped” into the highest electricity tiers as a result of mandatory appliance switches. Also, as the District forces users off the gas grid, the fixed costs of maintaining that grid fall on a shrinking pool of remaining customers (often those least able to afford upgrades), creating a “utility death spiral” that BAAD* has not accounted for in its economic impact analysis.
These concerns do not reflect opposition to clean energy. They reflect concern over whether this specific regulatory framework is sufficiently balanced, transparent, economically justified, and operationally realistic.
I respectfully urge the Board to defer further implementation of these regulations until a comprehensive and independent review is conducted addressing:
- Full lifecycle resident costs
- Electrical infrastructure readiness
- Long-term electric rate exposure
- Affordability impacts on residents
- Implementation feasibility
- Grid reliability and outage resilience
- Comparative alternatives capable of achieving
similar emissions reductions with lower economic disruption
Public confidence in environmental policy depends not only on good intentions, but also on disciplined governance, transparent analysis, and equitable treatment of the communities expected to bear the costs. The current BAAD* approach prioritizes aspirational goals over operational reality. Without a stable, affordable, and resilient grid, this mandate is not a Climate Change solution – it is a significant and unmitigated economic risk to the region’s residents – a form of “California Dreaming” that will do more harm than good.
*Officially BAAQMD, but they also call themselves the Bay Area Air District, which allows the alliteration we use here.
[Editor’s Note: Even though this article concentrates on the Bay Area, many other jurisdictions, including Los Angeles city and county, are considering similar proposals.]
Gregg A. Diéguez is the Director of Sustainability for SHIFT Bay Area, which formulates and promotes effective, efficient, sustainable governance rooted in democratic values and principles. They focus on housing, infrastructure, finance, and transportation regionally and locally in the Bay Area, and on state and federal issues which impact us here. Visit their website at: https://www.shift-ba.org/.