Solaris Energy Infrastructure (SEI)

Mobile power and logistics company Solaris Energy Infrastructure (NYSE:SEI) beat Wall Street’s revenue expectations in Q4 CY2025, with sales up 86.6% year on year to $179.7 million. Its non-GAAP profit of $0.35 per share was 28.2% above analysts’ consensus estimates.

Company Overview

After acquiring Mobile Energy Rentals in 2024 to enter the distributed power market, Solaris Energy Infrastructure (NYSE:SEI) leases mobile power equipment and provides logistics services for oil and gas well completion.

This category includes smaller or niche E&P companies operating in specialized basins, geographies, or resource types outside major classifications. These firms may target unconventional resources, frontier regions, or specific commodity niches. Tailwinds include potential for outsized returns from successful exploration, acquisition opportunities during industry downturns, and specialized expertise commanding premium valuations. Headwinds include higher operational and geological risks, limited scale reducing negotiating power and cost efficiencies, and constrained capital market access during challenging commodity environments. Regulatory risks and ESG concerns may disproportionately affect smaller operators with fewer resources for compliance.

In power solutions, Solaris competes with companies like Aggreko and Caterpillar (NYSE:CAT). In logistics, it faces competition from other oilfield service providers including Select Water Solutions (NYSE:WTTR) and Ranger Energy Services (NYSE:RNGR).

The scale of a company’s revenue base is an important lens through which to view the topline, as it signals whether a producer has gone from a vulnerable commodity taker into a durable operating platform. Larger producers generate revenue across many wells, pads, takeaway routes, and geographies rather than relying on a single field or drilling program. Solaris Energy Infrastructure’s $622.2 million of revenue in the last year is pretty small for the industry, suggesting the company hasn’t hit a level of diversification where investors can sleep easy at night.

Cyclical industries such as Energy can make mediocre companies look great for a time, but a long-term view reveals which businesses can actually withstand and adapt to changing conditions. Luckily, Solaris Energy Infrastructure’s sales grew at an incredible 43.3% compounded annual growth rate over the last five years. Its growth beat the average energy upstream and integrated energy company and shows its offerings resonate with customers.

Energy cycles can be long enough that a single five-year period can still reflect one price environment, which is why an additional, decade-long view can help capture through-cycle performance. Solaris Energy Infrastructure’s annualized revenue growth of 48.1% over the last nine years is above its five-year trend.

Revenue provides useful context, but it is heavily influenced by commodity prices and acquisitions. Production volumes, by contrast, reveal whether the underlying asset base is actually growing. Over the last two years, Solaris Energy Infrastructure’s total oil volume per day - Upstream averaged 7.3% year-on-year declines.

This quarter, Solaris Energy Infrastructure reported magnificent year-on-year revenue growth of 86.6%, and its $179.7 million of revenue beat Wall Street’s estimates by 8%. This quarter, Solaris Energy Infrastructure reported year-on-year production growth of 19.2%, and its 0.1 Mboe (thousand barrels of oil equivalent) of production exceeded Wall Street’s estimates by 9.4%.

In a single quarter or year, gross margins in the sector can swing wildly due to commodity prices, hedging, or changes in labor costs. Over a multi-year period across different points in the cycle, gross margin differences can signal whether a company is a structurally-advantaged producer (“rock” quality, takeaway, operating costs) or not.

Solaris Energy Infrastructure, which averaged 39.7% gross margin over the last five years, exhibits poor unit economics in the sector. It means the company will struggle more at lower commodity prices than peers with better gross margins.

This quarter, Solaris Energy Infrastructure’s gross profit margin was 44.1%, down 4.2 percentage points year on year.

Adjusted EBITDA margin captures the true operating profitability of an energy producer by removing accounting noise around depletion and capitalized drilling costs. It reveals how much cash the asset base generates before capital structure and reinvestment requirements shape reported earnings.

Solaris Energy Infrastructure has done a decent job managing its cost base over the last five years. The company has produced an average EBITDA margin of 32.7%, higher than the broader energy upstream and integrated energy sector.

Looking at the trend in its profitability, Solaris Energy Infrastructure’s EBITDA margin rose by 20.4 percentage points over the last year, as its sales growth gave it immense operating leverage.

This quarter, Solaris Energy Infrastructure generated an EBITDA margin profit margin of 38.3%, in line with the same quarter last year. This indicates the company’s overall cost structure has been relatively stable. This adjusted EBITDA beat Wall Street’s estimates by 1.7%.

Adjusted EBITDA shows how profitable a company’s existing wells are before financing and reinvestment decisions, but free cash flow shows how much value remains after paying the cost of replacing those wells. In upstream energy, production naturally declines over time, so companies must continuously reinvest just to stand still. A producer can report strong EBITDA margins yet generate little or no free cash flow if its wells decline quickly or if new drilling is expensive. Free cash flow therefore captures not only how efficiently a company produces hydrocarbons today, but also how costly it is to sustain that production into the future.

Solaris Energy Infrastructure’s demanding reinvestments have drained its resources over the last five years, putting it in a pinch and limiting its ability to return capital to investors. Its free cash flow margin averaged negative 32.7%, meaning it lit $32.67 of cash on fire for every $100 in revenue.

While the level of free cash flow margins is important, their consistency matters just as much.

Solaris Energy Infrastructure’s ratio of quarterly free cash flow volatility to WTI crude price volatility over the past five years was 13.1 (lower is better), indicating that its cash generation is far more sensitive to commodity-price swings than most peers. This elevated volatility limits its access to capital in downturns and makes it unlikely to act as a consolidator when weaker competitors come under pressure.

You may be asking why we wait until the free cash flow line to perform this stability analysis versus commodity prices. Why not compare revenue or EBITDA to WTI in the case of Solaris Energy Infrastructure? Because what ultimately matters is not how much revenue or profit you earn when prices are high but how much cash you can generate when prices are low. Free cash flow is the superior metric because it includes everything from hedging prowess to growth and maintenance capex to management behavior during good times and bad.

Solaris Energy Infrastructure burned through $158.6 million of cash in Q4, equivalent to a negative 88.2% margin. The company’s cash burn increased from $113.6 million of lost cash in the same quarter last year.

Free cash flow shows how much money a producer generated, while ROIC shows how efficiently that money was earned. ROIC measures the operating profit produced for each dollar of capital invested, whether from debt or equity. Cash generation measures quantity while ROIC measures the quality of value creation.

We at StockStory like to look at ROIC over a ten-year period because energy investment cycles can involve up to five years of ramping production and another five years of harvesting. A decade view captures buying, extracting, and monetizing rather than just part of that picture. Although Solaris Energy Infrastructure hasn’t been the highest-quality company lately, it historically found a few growth initiatives that worked out well. Its nine-year average ROIC was 18.6%, impressive for an upstream and integrated energy business.

We like to invest in businesses with high returns, but the trend in a company’s ROIC is what often surprises the market and moves the stock price. On average, Solaris Energy Infrastructure’s ROIC increased by 4.2 percentage points annually each year over the last few years. This is a good sign, and we hope the company can keep improving.

As long-term investors, the risk we care about most is the permanent loss of capital, which can happen when a company goes bankrupt or raises money from a disadvantaged position. This is separate from short-term stock price volatility, something we are much less bothered by.

Solaris Energy Infrastructure burned through $437.7 million of cash over the last year. With $353.3 million of cash on its balance sheet, the company has around 10 months of runway left (assuming its $184 million of debt isn’t due right away).

Unless the Solaris Energy Infrastructure’s fundamentals change quickly, it might find itself in a position where it must raise capital from investors to continue operating. Whether that would be favorable is unclear because dilution is a headwind for shareholder returns.

We remain cautious of Solaris Energy Infrastructure until it generates consistent free cash flow or any of its announced financing plans materialize on its balance sheet.

We were impressed by how significantly Solaris Energy Infrastructure blew past analysts’ production expectations this quarter. We were also glad its EPS outperformed Wall Street’s estimates. Zooming out, we think this was a good print with some key areas of upside. The stock traded up 5.2% to $52.02 immediately following the results.

Updated: March 13, 2026 at 1:14 AM EDT

When considering an investment in Solaris Energy Infrastructure, investors should account for its valuation and business qualities as well as what’s happened in the latest quarter.

Solaris Energy Infrastructure isn’t a terrible business, but it isn’t one of our picks. Although its revenue growth over the last five years was top-tier for the sector, it’s expected to deteriorate over the next 12 months and its diminishing returns show management's prior bets haven't worked out. And while the company’s revenue growth over the last nine years was top-tier for the sector, the downside is its cash burn raises the question of whether it can sustainably maintain growth.

Solaris Energy Infrastructure’s P/E ratio based on the next 12 months is 39.1x. At this valuation, there’s a lot of good news priced in - we think other companies feature superior fundamentals at the moment.

Wall Street analysts have a consensus one-year price target of $67.60 on the company (compared to the current share price of $52.95).

Although the price target is bullish, readers should exercise caution because analysts tend to be overly optimistic. The firms they work for, often big banks, have relationships with companies that extend into fundraising, M&A advisory, and other rewarding business lines. As a result, they typically hesitate to say bad things for fear they will lose out. We at StockStory do not suffer from such conflicts of interest, so we’ll always tell it like it is.