# Who does PG&E Corporation pay? Who are its key suppliers?
Canonical: https://valuechain.wiki/pg-e · Facet: suppliers · Updated: 2026-09-23T09:55:56.779227+00:00 · Source: ValueChain.wiki (cited money-flow graph)

**Citable summary**: PG&E Corporation's confirmed suppliers/cost counterparties include Quanta Services, Tesla. Per the valuechain.wiki graph: 2 cost edges, backed by 5 dated sources, 1 of them primary filings (as of 2026-09-23).

### Sequoia Pacific Solar I, LLC (high)
- metric: Amount $120M · 2010 investment · Capital invested by Pacific Energy Capital III in Sequoia Pacific Solar I
- note: PG&E Corporation's wholly owned subsidiary Pacific Energy Capital III invested $120 million in Sequoia Pacific Solar I in 2010 and acquired a membership interest. The capital funded about 23 MW of residential and commercial solar installations.
- [confirms] California Public Utilities Commission (EN, filing, published 2012-06-21) https://docs.cpuc.ca.gov/word_pdf/FINAL_RESOLUTION/169552.pdf: "On September 21, 2010, Affiliate PEC III invested $120 million of PG&E Corporation shareholder funds in Sequoia Pacific, thereby acquiring a "membership interest.""

### Quanta Services (high)  → /quanta-services.md
- metric: Contract value $116M · Q1 2019 · Pre-petition receivables under two Quanta contracts assumed by PG&E
- note: Quanta Services has long provided contracted electric infrastructure services to PG&E. In 2019, a court approved PG&E's assumption of two Quanta contracts and authorized payment of about $116 million of related pre-petition receivables.
- [confirms] SEC EDGAR (EN, filing, published 2026-02-19) https://www.sec.gov/Archives/edgar/data/1050915/000105091526000006/pwr-20251231.htm: "PG&E Corporation."
- [confirms] Quanta Services (EN, ir, published 2019-05-02) https://investors.quantaservices.com/news-events/press-releases/detail/257/quanta-services-reports-first-quarter-2019-results: "approximately $116 million of pre-petition receivables due under those contracts"

### Tesla (high)  → /tesla.md
- metric: Count 256 Megapack units · Elkhorn facility commissioned in 2022 · Tesla Megapacks installed at PG&E-owned Elkhorn facility
- note: PG&E designed, built and maintains the Elkhorn battery storage facility with Tesla. The facility contains 256 Tesla Megapacks.
- [confirms] Pacific Gas and Electric Company (EN, ir, published 2026-02-23) https://www.pge.com/assets/pge/docs/clean-energy/battery-storage/elkhorn-bess-eap-plan.pdf: "The Elkhorn BESS consists of 256 Tesla Megapacks."
- [confirms] TLG Services / California Public Utilities Commission (EN, analysis, published 2024-12-17) https://docs.cpuc.ca.gov/PublishedDocs/SupDoc/A2505009/8141/566593584.pdf: "consisting of 256 Tesla Megapack battery modules"
- [confirms] Shinhan Investment Corp. (KO, research, published 2022-09-23) https://ssl.pstatic.net/imgstock/upload/research/market/1663893267695.pdf: "PG&E installed the Tesla Megapack system in April. The battery storage facility where the fire occurred has 182.5 MW of capacity."

Reverse side: https://valuechain.wiki/pg-e/customers.md · Ripple: https://valuechain.wiki/pg-e/ripple.md

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