Solaris Energy Infrastructure (SEI) is drawing fresh attention after its mobile power assets were rapidly deployed to help relieve power grid interconnect constraints, alongside a 40% position cut by institutional investor Situational Awareness LP.

At a share price of US$68.70, SEI has pulled back over the past week and month, with the share price return down 7.5% over 7 days and 5% over 30 days. However, the 90 day share price return of 44.3% and a very large 5 year total shareholder return suggest longer term momentum remains strong.

If this focus on power grid interconnects has caught your attention, it could be a good moment to broaden your watchlist and check out 33 power grid technology and infrastructure stocks

With SEI trading at US$68.70 alongside a 30.6% gap to the average analyst price target and strong recent revenue and net income growth, investors may need to consider whether there is still a buying opportunity available or whether any future growth is already reflected in the current price.

Most Popular Narrative: 23.4% Undervalued

With Solaris Energy Infrastructure closing at $68.70 against a narrative fair value of $89.73, the dominant view in the market suggests the current price trails those long term expectations and puts a spotlight on the growth assumptions sitting behind that gap.

The accelerating demand for grid resiliency, electrification of industries, and AI-driven data center power needs is creating strong, ongoing demand for Solaris's modular, scalable power generation solutions, positioning the company for significant revenue growth as delivery of new capacity ramps through 2026 and beyond.

Investors may be curious what kind of revenue curve and margin profile support that valuation change, and how far earnings are expected to scale from today. The full narrative lays out those projections in detail and shows how they connect to the $89.73 fair value anchor. Result: Fair Value of $89.73 (UNDERVALUED)

However, investors still need to weigh the risk that recent Power Solutions growth includes one-off commissioning benefits and that natural gas focused projects face future policy or demand shifts.

Another View: Rich Multiples Versus Growth Story

That 23.4% narrative undervaluation sits awkwardly alongside SEI’s current P/E of 90.1x, which is far higher than the US Energy Services industry at 25.4x, the peer average at 46x, and the fair ratio of 41.2x that the market could move toward. For you, does this look like upside or valuation risk?

Next Steps

With the mix of strong recent returns, rich P/E multiples and a split between risks and rewards, this is a good moment to check the numbers yourself and decide how comfortable you are with the story before sentiment shifts again. Start with 4 key rewards and 3 important warning signs

Looking for more investment ideas?

If SEI has sharpened your interest, do not stop here. Broaden your watchlist now so you are not late to the next opportunity.

• Target potential bargains by scanning a focused set of quality companies trading below their estimated worth with the 47 high quality undervalued stocks.
• Strengthen your income stream by reviewing companies that offer robust payouts through the 10 dividend fortresses.
• Prioritize resilience by reviewing companies with solid finances using the solid balance sheet and fundamentals stocks screener (45 results).

This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.