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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