Vistra Energy

Vistra reported $1.8 billion of adjusted EBITDA in the second quarter, up from $1.35 billion in the year-ago period. Year-to-date results are in line with our and management's full-year outlook.

Why it matters: The year-over-year earnings increase mostly came from the Lotus asset acquisition, which closed in October 2025. Retail earnings remain steady. Management reaffirmed its 2026 adjusted EBITDA guidance of $6.8 billion-$7.6 billion, excluding earnings from the Cogentrix acquisition if it closes this year. Our 2026 estimate is at the high end of this range. Management's 2027 EBITDA opportunity range remains $7.4 billion-$7.8 billion, excluding what management has estimated would be $700 million of annualized upside from the Cogentrix acquisition and Meta data center contract. This is in line with our outlook.

The bottom line: We are reaffirming our $106 fair value estimate and no-moat rating for Vistra. Vistra's stock is down 12% year to date. It trades at a 9 enterprise value/EBITDA multiple based on our 2026 estimate, up from 6.5 EV/EBITDA in 2023.

Big picture: Investors remain focused on political and regulatory developments in the mid-Atlantic region and Texas that are rationalizing energy market upside expectations related to data center growth. Vistra's generation projects in Texas' Batch Zero process likely won't face significant delays despite Gov. Greg Abbott's recent order to audit the state's proposed data center projects. New generation will be needed to serve non-data center growth in the state. Vistra's Helix partnership should open good direct and indirect growth opportunities, although the magnitude of the opportunity is unclear.

Coming up: Vistra continues to target at least $1 billion of share repurchases annually. With limited growth opportunities and having recently achieved investment-grade credit ratings, management might ask the board later this year to expand its buyback program.

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Our fair value estimate is $106 per share after incorporating the latest developments in the eastern US energy markets, particularly our PJM capacity market outlook.

We forecast $7.5 billion EBITDA in 2026, at the high end of management's guidance as of July 2026. Higher contracted capacity revenue, incremental retail margin upside in the Meta contract, and contributions from the Cogentrix acquisition could push EBITDA above $8 billion by 2028.

We forecast $8 billion open EBITDA in 2029 and beyond, including the Cogentrix assets, based on our midcycle regional wholesale power price, capacity revenue, and retail margin assumptions. We use a $3.70 per million British thermal units midcycle natural gas price and spark spreads in line with current implied forward prices.

At Vistra's retail business, we assume 2% annual energy sales growth through 2028 and 24% normalized retail gross margins, resulting in midcycle EBITDA near $2 billion. That could go higher if Vistra is able to leverage its recent power generation acquisitions to grow its retail business in the northeast US. Retail margins could shrink if Vistra faces more competition in new markets or rising energy supply costs.

We assume Vistra invests $5 billion in 2027-29 primarily to build new gas generation and uprates mostly in Texas.

Our fair value estimate includes $3 per share of value accretion from the $4 billion Cogentrix acquisition that we expect to close in 2026. The Meta contract added $9 per share to our fair value estimate.

We use an 10.8% cost of equity and 8.4% cost of capital in our discounted cash flow valuation.

We do not think Vistra has an economic moat, given its exposure to volatile wholesale and retail electricity and natural gas markets.

Vistra's returns on capital remain subject to energy commodity prices and electricity demand trends. At times during the commodity market cycle, Vistra can create substantial value for shareholders, but this could be fleeting if commodity markets turn. The 2021 winter storm Uri in Texas proved Vistra's returns on capital are highly sensitive to energy market conditions.

Vistra has high exposure to natural gas markets, especially in the Eastern United States and Texas. Gas prices affect fuel costs for about half of Vistra’s generation fleet and typically drive wholesale electricity prices. Vistra's relatively new and efficient gas power plants should give it an advantage over older, less-efficient generators when gas prices rise. The company would also benefit from higher margins at its nuclear and coal plants if gas and power prices go higher.

Few of Vistra’s power plants maintain a low-cost advantage that would be the foundation for establishing an economic moat in the commodity-sensitive wholesale or retail energy markets. Many of Vistra’s plants are subject to intense local competition that can quickly erode any excess shareholder returns.

Energy retailers like Vistra sell commodity products such as electricity and natural gas. Customers enjoy virtually no switching costs, resulting in intensely competitive markets with tight and volatile margins. This is evident in Vistra’s significantly lower operating margins at its retail segment.

Vistra can increase its risk-adjusted returns by pairing its retail supply and clean energy businesses with its wholesale generation in a given region. This combination has helped reduce earnings volatility across the company and support substantial cash returns to shareholders. Vistra might be able to establish a low-cost advantage in the retail markets where it has substantial wholesale generation presence, such as Texas and increasingly the mid-Atlantic.

Vistra’s ample cash flow gives it financial flexibility to repurchase stock, invest in growth projects, and pursue acquisitions.

Vistra’s relatively new, efficient gas fleet allows it to earn higher margins than its competitors that own older, less-efficient power plants.

The retail-wholesale integrated business model can reduce the volatility of cash flows and margins, allowing Vistra to be a low-cost energy supplier.

Low gas and electricity prices hurt the profitability of Vistra’s coal and nuclear fleet.

The retail market is highly competitive with tight margins. A small operational miscue can lead to large losses.

High energy prices attract the attention of politicians and regulators, potentially leading to market reforms that would limit Vistra's upside.