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Our verdict on Constellation Energy When-Issued isn’t the consensus take — see where we landed, and the one risk the bull case glosses over.
See the verdict — free →The filing confirms that portfolio hedging remains concentrated in the prompt three years and that most economic hedges are expected to settle during 2026–2028. It does not report that the majority have settled; the stated settlement window is ongoing. (1 in progress across 1 tracked commitment)
“Portfolio hedging activities are generally concentrated in the prompt three years, when customer demand and market liquidity enable effective price risk mitigation. ... We expect the settlement of the majority of our economic hedges will occur during 2026 through 2028.”
The 380 MW Phase 1 agreement was signed in Q1 2026, and an exclusive agreement covers a further 380 MW Phase 2. The filing provides no commissioning or service-start date, so delivery remains in progress. (1 in progress across 1 tracked commitment)
“In the first quarter of 2026, we signed a new 380 MW agreement with Dallas-based CyrusOne, a leading global data center developer and operator, to connect and serve a new data center adjacent to the Freestone Energy Center, in Freestone County, Texas. The agreement provides CyrusOne with access to power, grid connectivity and site infrastructure needed to support development of the new facility, while ensuring electricity continues to flow to the regional grid and ensuring reliability for all customers and communities. Calpine has also entered into an exclusive agreement to provide power, grid connectivity and site infrastructure for Phase 2, which will be an additional 380 MWs. These agreements are in addition to the 400 MW agreements announced in the second half of last year between Calpine and CyrusOne for the Thad Hill Energy Center in Bosque County, Texas.”
The supplied Yahoo Finance summary reports a latest close of $290.60, a two-year average close of $288.98, a two-year annualized return of 4.01%, and a reported maximum drawdown of 0.01%. These historical market statistics are not evidence of management quality, regulatory compliance, awards, governance ratings, related-party concerns, or insider trading.
“The supplied Yahoo Finance summary reports a latest close of $290.60, a two-year average close of $288.98, a two-year annualized return of 4.01%, and a reported maximum drawdown of 0.01%. These historical market statistics are not evidence of management quality, regulatory compliance, awards, governance ratings, related-party concerns, or insider trading.”
Pursue FERC approval to transfer Eddystone capacity interconnection rights to Crane to reduce required transmission upgrades; management requested a decision by June 1, 2026. — target: FERC waiver decision requested no later than June 1, 2026.
“In March 2026, we filed a waiver request with FERC to allow the transfer of capacity interconnection rights (CIRs) from Eddystone to Crane with the aim of reducing the number of contingent upgrades that would need to be completed prior to Crane being fully deliverable to the grid. ... We have requested that FERC grant the requested waiver no later than June 1, 2026.”
Management expects cash flows, capital-market access, and credit facilities to fund operations and planned capital requirements, including construction and the Crane restart.
“Our operating and capital expenditures requirements are provided by internally generated cash flows from operations as well as funds from external sources in the capital markets and through bank borrowings. ... We annually evaluate our financing plan and credit line sizing, focusing on maintaining our investment grade ratings while meeting our cash needs to fund capital requirements, including construction expenditures, retire debt, pay dividends, fund pension and OPEB obligations, and invest in new and existing ventures, such as our acquisition of Calpine and planned restart of Crane. ... We expect cash flows to be sufficient to meet operating expenses, financing costs, and capital expenditure requirements.”
See the full cited Management analysis of Constellation Energy When-Issued
The company added a long-term contracted-power example: a 20-year agreement with Meta for Clinton’s output, beginning in June 2027. The deal supports continued plant operation after Illinois’s ZEC program ends and includes a planned 30 MW uprate. This strengthens evidence of long-duration customer commitments, though delivery and uprate execution remain future-dependent. (1 expanding, 1 stable, 1 contracting)
“The restart is supported by a 20-year PPA with Microsoft to purchase the output generated from the renewed plant.”
Federal support for existing nuclear generation was reaffirmed: the 2025 law preserved the nuclear production tax credit through 2032. However, the company recorded much less nuclear PTC revenue in the first nine months of 2025—$220 million versus $1.380 billion in 2024, down 84.1%—mainly because higher energy prices reduced eligibility for the credit. The policy framework remains supportive, while the realized revenue benefit contracted sharply. (1 contracting)
“For the three and nine months ended September 30, 2025 ... estimated nuclear PTC benefit ... $175 million and $220 million ... 2024 ... $670 million and $1,380 million, respectively.”
Constellation generates electricity and sells it, along with natural gas and related energy products, to utilities, municipalities, cooperatives, businesses, public-sector organizations, and households. It owns nuclear, natural-gas, oil, geothermal, hydro, wind, and solar power plants and also sells electricity directly to customers; its scale is 55 GW of generating capacity and about 2.5 million customer accounts, including 80% of the Fortune 100. Since acquiring Calpine in January 2026, it also has a nationwide competitive retail electricity platform and a larger fleet of natural-gas and other dispatchable generation. Its six reporting segments are Mid-Atlantic, Midwest, New York, ERCOT, Other Power Regions, and Calpine; the filing reports about $7.5 billion in revenue for the quarter. (+4 more findings)
“Other revenues(d) — — 161 161”
The company reported $0.7 billion of cash and $7.0 billion of available credit-facility capacity at June 30, 2026, alongside investment-grade ratings of BBB+ from S&P and Baa1 from Moody’s. This provides funding flexibility for operations, investment, and collateral needs, but the acquisition also increased debt and the company estimated that a downgrade below investment grade could require about $3.4 billion of additional collateral.
“As of June 30, 2026, we had $7.0 billion of available capacity under our credit facilities and $0.7 billion of cash on hand. ... A loss of investment grade credit rating would have required a three-notch downgrade by S&P or Moody's from their current levels as of June 30, 2026 of BBB+ and Baa1, to BB+ and Ba1 or below, respectively.”
Constellation operates within extensive federal and state oversight, including Federal Energy Regulatory Commission review of wholesale market rules and Nuclear Regulatory Commission approval of nuclear operations. The filing also describes state nuclear-credit programs and the federal nuclear production tax credit; these rules affect cash flows and market access, but they can also impose conditions and pass-through or refund obligations.
“The restart of the plant and delivery of electricity under the PPA is subject to certain regulatory approvals, including the NRC comprehensive safety and environmental review, as well as permits from relevant state and local agencies. ... In June 2026, FERC granted the waiver request.”
See the full cited Business Model analysis of Constellation Energy When-Issued
The filing provides a firmer restart timeline and a substantial cost estimate: Crane is targeted for service in 2028, backed by a 20-year Microsoft contract, with approximately $1.6 billion of capital spending. Regulatory reviews and permits remain necessary; the filing does not quantify the grid-upgrade opportunity or report the later FERC waiver or DOE financing described in the earlier signal. (1 accelerating, 4 new trend across 5 signals, 2 leading indicators)
“In April 2026, we celebrated the commissioning of the 105 MW Pastoria Solar Project, the largest renewable energy project contracted by the California Department of Water Resources to date in its mission to fully decarbonize its operations by 2035. The Pastoria Solar Project connects to the grid through the interconnection facilities at our highly efficient 750 MW natural gas-fired Pastoria facility. Also, co-located with the Pastoria Solar Project is the Pastoria Power Bank, a 80 MW/320 MWh Battery Energy Storage System, which came online in July 2026. The Pastoria Power Bank is contracted and supported by a 15-year power purchase agreement with Pacific Gas and Electric Company.”
The supplied filing reports Constellation-wide revenue but does not give a Calpine-specific revenue update. The prior Q2 and first-half figures cannot be extended or compared using this filing. (1 new trend across 1 signal)
“With 55 gigawatts of capacity from nuclear, natural gas, oil, geothermal, hydro, wind and solar facilities, our fleet has the generating capacity to power the equivalent of 27 million homes, providing about 10% of the nation’s clean energy and delivering the around-the-clock reliability needed to power America’s growing economy.”
Capacity prices rose sharply year over year in the reported quarter: the Eastern Mid-Atlantic average was $125.71/MW-day, up 147.2%, and ComEd was $109.25/MW-day, up 237.3%. The six-month averages were also substantially higher than a year earlier, at $89.65/MW-day and $69.09/MW-day, respectively. This confirms a strong upward pricing environment, but the filing's quarterly figures do not establish a multi-quarter acceleration pattern. (3 accelerating, 2 reversing across 5 signals)
“In July 2026, PJM released the results of the 2028/2029 Base Residual Auction and the entire RTO, including all submitted CEG units, cleared at the price cap of $325/MW-day”
The filing does not report the previously described 920 MW of new nuclear contracts or the Walmart agreement. It does show that nuclear output increased 7.5% in the first half versus the same period in 2023, but this is generation performance, not evidence of new long-term customer contracts. (2 discontinued, 2 new trend, 1 accelerating across 5 signals)
“We have signed an additional 920 MW of long-term PPAs for clean, reliable nuclear generation with a diverse set of investment grade customers to help them meet their evolving energy needs. These agreements are for 15-20 years in duration and are set to begin in 2029 through 2032. Among these PPAs, our 176 MW agreement with Walmart will enable a 30 MW capacity expansion at our Dresden Clean Energy Center in Illinois and facilitate additional investments to strengthen the local community by supporting jobs and enabling continued expansion of operations and workforce.”
This March-quarter filing predates the acquisition closing, so it provides no post-acquisition Calpine revenue result. It does confirm the proposed scale of the business: over 27 GW of generation and about 60 TWh of annual retail load. The deal remains a proposed, regulatory-conditioned expansion rather than realized growth in this quarter. (2 new trend, 1 steady across 3 signals)
“Calpine operates a competitive retail electric supplier platform serving approximately 62 TWhs of load annually. Calpine also owns and operates a generation fleet of natural gas, oil, geothermal, battery storage, and solar assets with approximately 23 GWs of generation capacity, after considering divestitures required by certain regulatory approvals for the transaction.”
See the full cited Future Growth analysis of Constellation Energy When-Issued
At September 2025, net derivative credit exposure was $1.013 billion, including $834 million to investor-owned utilities, marketers and power producers; one counterparty represented $151 million, or more than 10% of net exposure. The company had posted $828 million cash collateral and $900 million in letters of credit, and downgrade collateral needs were estimated at $2.44 billion. The later baseline reports higher net exposure of $2.406 billion and a larger concentration to a single counterparty, so the risk intensified. (2 intensifying)
“Total $ 2,555 ... Credit Collateral $ 149 ... Net Exposure $ 2,406 ... Number of Counterparties Greater than 10% of Net Exposure 1 ... Net Exposure of Counterparties Greater than 10% of Net Exposure $ 321 ... Investor-owned utilities, marketers, power producers $ 1,250”
The Q1 2026 California NP15 reference price fell 29.2% year over year, from $40.96/MWh to $29.01/MWh, while management also reported lower West-region energy costs as favorable for purchased power. In the June baseline, the California reference price was lower still at $17.28/MWh, down 35.1% year over year for Q2. The worsening price trend supports an intensifying risk, although reference prices are not the company’s realized prices. (1 intensifying)
“CAISO - NP15 $ 17.28 $ 26.62 $ (9.34) (35.1)% ... Six Months Ended June 30 ... $ 23.14 $ 33.79 $ (10.65) (31.5)%”
The acquisition requires divestitures to satisfy the DOJ’s antitrust conditions. The sales remain subject to regulatory approvals and closing conditions, so delay or failure could leave the company with unresolved commitments, financing complications, or less favorable proceeds than planned. [REGULATORY]
“In March 2026, we entered into an agreement with LS Power Equity Advisors, LLC to sell five natural gas-fired generating facilities with approximately 4.4 GWs of capacity from Calpine's portfolio of generation assets located in PJM ... valued at $5.0 billion before closing adjustments. In August 2026, we entered into an agreement with LS Power to divest the Brazos Valley Energy Center ... a 606 MW natural gas-fired plant in ERCOT for $860 million before closing adjustments. Completion of these transactions is subject to customary closing conditions and receipt of applicable regulatory approvals, and is expected to satisfy the remaining regulatory commitments related to the merger.”
Lower customer load volumes hurt sales in New England and the West. If the decline reflects lasting customer losses or weaker usage rather than temporary conditions, it could reduce both retail revenues and the value of related generation and hedges. [DEMAND]
“Other Power Regions ... $ Change (214) ... % Change (18.2)% ... unfavorable wholesale load revenue of $105 and retail load revenue of $100 primarily due to lower load volumes in New England ... Six Months Ended ... (284) ... unfavorable wholesale load revenue of $230 primarily due to lower load volumes in New England ... unfavorable retail load revenue of $100 primarily due to lower load volumes in New England and lower energy prices in the West”
In February 2026, PJM proposed extending its existing capacity-market price collar—about $325/MW-day at the cap and $175/MW-day at the floor—for the 2028/2029 and 2029/2030 auctions. FERC accepted that proposal in April 2026. The June baseline further reported that the 2028/2029 auction cleared at the cap, making the limit’s effect on potential upside concrete. This risk intensified as the cap was both extended and reached in the subsequent auction. (1 intensifying, 4 stable)
“In February 2026, PJM filed tariff revisions proposing to extend the existing RPM capacity market price collar—consisting of a price cap of approximately $325/MW‑day and a price floor of approximately $175/MW‑day—for the 2028/2029 and 2029/2030 Base Residual Auctions. In an order issued by FERC in April 2026, FERC accepted PJM’s tariff revisions, allowing the continued application of the price collar for the specified delivery years. ... In July 2026, PJM released the results of the 2028/2029 Base Residual Auction and the entire RTO, including all submitted CEG units, cleared at the price cap of $325/MW-day”
See the full cited Risk analysis of Constellation Energy When-Issued
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