PCG · CIK 0001004980
What PG&E Corporation told the SEC could break it.
Wildfire dominates what PG&E disclosed, on two fronts at once. The physical liability is concrete — it had paid $3.3 billion as of year-end 2025 tied to fires its equipment ignited, including the 2021 Dixie fire that burned more than 960,000 acres — and the regulatory machinery built around that risk is just as material: under California's AB 1054 as amended by SB 254, it may have to reimburse the state Wildfire Fund, subject to a disallowance cap of roughly $4.7 billion for 2025. Layered behind the fire exposure is the broader California and federal policy regime it operates under — escalating decarbonization mandates running to 100% zero-carbon retail electricity by 2045, and the IRA's 15% corporate minimum tax, which could trigger substantial federal cash taxes from 2028. Its natural-gas procurement is also concentrated, with one supplier at about 56% of 2025 volume.
5 self-disclosed vulnerabilities, pulled from its own filings, each in the company’s words, with the source. This is the risk register almost nobody reads.
In its own words
What could break it.
Regulatory & policy
- Wildfire Fund / AB 1054 / SB 254 reimbursement disallowance cap (~$4.7B)high
Under AB 1054 (as amended by SB 254), PG&E may have to reimburse California's Wildfire Fund for fire costs, subject to a disallowance cap equal to 20% of the equity portion of its electric T&D rate base — approximately $4.7 billion for 2025 — exposing it to large potential charges.
“As amended by SB 254, the reimbursement requirement is subject to a disallowance cap equal to 20% of the equity portion of the utility's electric transmission and distribution rate base in the year of the ignition... For the Utility, the disallowance cap would be approximately $ 4.7 billion for 2025.”
SEC filing →As of 2026 - California decarbonization mandates (100% zero-carbon retail electricity by 2045)medium
California law requires escalating renewable/zero-carbon shares of utilities' retail electricity sales (90% by 2035, 95% by 2040, 100% by 2045) plus cap-and-trade and economy-wide carbon neutrality by 2045, driving major procurement and compliance obligations for PG&E.
“Renewable and zero-carbon resources supplying 90% of utilities' retail electricity sales to customers by 2035, 95% by 2040, and 100% by 2045.”
SEC filing →As of 2026 - IRA corporate alternative minimum tax and repairs-deduction treatmentmedium
The Inflation Reduction Act's 15% corporate alternative minimum tax (on AFSI of corporations averaging >$1B) applies to PG&E; absent a change permitting it to deduct repairs and maintenance expense, PG&E will incur potentially substantial federal cash tax liabilities beginning in 2028.
“For example, the Inflation Reduction Act includes a 15% corporate alternative minimum tax on the adjusted financial statement income (“AFSI”) of corporations with average AFSI exceeding $1.0 billion over a three-year period, effective for tax years beginning on or after January 1, 2023. If the law or its interpretation is not changed to permit PG&E Corporation to deduct repairs and maintenance expense, it will incur federal cash liabilities beginning in 2028, the amount of which may become substantial in future years.”
Climate & physical
- wildfire liability (equipment-ignited fires; $3.3B paid to date)high
PG&E faces severe wildfire liability from fires in its California service area — including the 2021 Dixie fire (963,309 acres, 1,311 structures destroyed), 2019 Kincade, and 2022 Mosquito fires — with $3,302M of related payments made as of Dec 31, 2025, a risk climate change continues to exacerbate.
“Payments (in millions) 2019 Kincade Fire $ 1,287 2021 Dixie Fire 1,908 2022 Mosquito Fire 107 Total at December 31, 2025 $ 3,302”
SEC filing →As of 2026
Supplier concentration
- natural gas — largest individual supplier = 56% of volumemedium
PG&E's natural gas procurement is concentrated: its largest individual supplier represented approximately 56% of the total natural gas volume purchased in 2025 (mostly short, ≤1-year contracts from U.S./Canada producers and marketers).
“The Utility's largest individual supplier represented approximately 56% of the total natural gas volume the Utility purchased during 2025.”
The hidden graph
Who it depends on, and who depends on it.
Relationships surfaced from filings, including ones disclosed by the other side, which is how the non-obvious ones come to light.
Its suppliers
“Our customers include many of the leading energy and utility companies in the United States, such as; Xcel Energy, Pacific Gas & Electric, Southern California Gas, Oncor Electric, Duke Energy, Sempra Energy, Williams, Hecate Energy, Consumers Energy, Dominion, Valero, D.E. Shaw Renewable Investments”
Cited →“During the year ended December 31, 2025, the Company's largest customers as a percentage of consolidated revenue were SCE and PG&E, which represented approximately 22% and 16%, respectively, with the next five largest customers representing a total of approximately 26% of consolidated revenue.”
Cited →
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