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Daily Disruptor: $AMRC, the energy infrastructure company data centers just discovered

Sector research: Powering the buildout →

The 30 second version

  • Ameresco builds and operates energy infrastructure, primarily for government, utilities, and now data center customers, generating revenue from design build contracts and long term operations
  • Q2 2026 produced a record $1.8 billion in new project awards, including $1.2 billion tied to behind the meter power solutions for data centers, in a single quarter
  • Total project backlog hit a record $6.73 billion, up 32% year over year; awarded project backlog jumped 65% to $4.4 billion
  • Catalyst: Q3 2026 earnings, estimated November 9, 2026; management guided roughly 60% of full year revenue in the second half, making Q3 the first real proof point
  • Main risk: negative operating cash flow and 3.2x corporate leverage; much of the data center revenue is 2028-2030, not this year
  • Market cap approximately $1.2 to $1.5 billion; NYSE listed with adequate daily liquidity

Ameresco ran nearly 30% in after hours trading on August 3 and then gave some of it back. A week later, the stock is still trading well below where ten covering analysts think it belongs. That gap is the setup.

The company has spent two decades doing unglamorous work: upgrading school boilers, retrofitting federal buildings, installing solar for municipal utilities. None of that explains why a data center developer handed them $1.2 billion in a single quarter. What does explain it is a problem data center operators are starting to hit hard: the grid cannot connect new facilities fast enough. Ameresco builds the power on site. That is a different business than the one the market priced in January.

What just happened

On August 3, Ameresco reported Q2 2026 revenue of $515 million, up 9% year over year, beating analyst estimates by roughly 12%. The larger number was the awards. The company pulled in a record $1.8 billion of new project awards in a single quarter, with $1.2 billion of that from data center power infrastructure customers, including hyperscalers. CEO George Sakellaris called it “transformational,” and the word is not obviously wrong. Five data center projects now sit in the awarded backlog.

Simultaneously, Ameresco closed its Neogenyx Fuels joint venture with HA Sustainable Infrastructure Capital. HASI committed $400 million to the vehicle, including $100 million in cash to Ameresco at closing, while Ameresco retained a 70% stake in a biofuels business that was valued at roughly $1.8 billion post money. That transaction both solved a near term cash question and freed up the balance sheet to pursue the data center pipeline. The company also brought its 250-megawatt Napanee Battery Energy Storage System online in Canada, one of the largest such projects on the continent. Three structural things happened in one quarter. The stock was not priced for any of them.

The business

Ameresco designs, builds, finances, and operates distributed energy systems for customers who cannot afford to wait for grid upgrades or who face strict carbon targets. Government and institutional customers, including federal agencies, school districts, and hospitals, have historically been the core. The company builds under performance contracts: it guarantees the energy savings, which means the customer’s savings fund the project over time. That model creates a long tailed revenue stream through its operations and maintenance business, which now carries a backlog exceeding $1.5 billion and grew 29% in Q2 alone.

The newer business is Power Infrastructure, a segment that grew 65% in the quarter and where every data center award lands. Ameresco builds behind the meter power systems, meaning on site generation and storage that bypasses the grid entirely. The detail worth knowing from the 10-Q is that the company serves as third party operations and maintenance provider for more than 2.5 gigawatts of solar and storage it did not build itself. That installed base is a referral network and a signal of technical credibility that a data center operator evaluating a multi hundred million dollar power commitment cares about.

The numbers

Full year 2026 revenue guidance sits at $2.0 billion to $2.2 billion, reaffirmed after Q2. Management guided roughly 60% of that revenue in the second half of the year, which means Q3 and Q4 carry the weight. Consensus revenue for the year is approximately $2.11 billion, essentially at the midpoint of guidance. Adjusted EBITDA guidance runs $250 million to $270 million, with Q2 EBITDA growing 12%, faster than revenue. Gross margin came in at 17.7% in Q2, improving year over year and sequentially. The company raised its non GAAP EPS outlook to $1.15 to $1.35 for the full year, versus a prior consensus of $1.10.

The balance sheet warrants attention. Unrestricted cash at June 30 was $138 million, up from $71.8 million at year end, partly because of the $100 million Neogenyx cash payment. Corporate debt stands at $384.8 million, producing a leverage ratio of 3.2x against a 3.5x covenant. Operating cash flow was negative in Q2 due to working capital timing, a recurring pattern for project driven businesses in the first half of the year. The company’s own eight quarter rolling average for adjusted operating cash flow sits at roughly $30 million, a thin cushion relative to the scale of projects being committed. The data center revenue conversion is largely a 2028-to-2030 story. That is worth saying plainly.

Why the market has not caught up

Ten analysts cover the stock. Their price targets span $28 at the low end, from UBS, to $62 at Canaccord Genuity, which raised its target from $59 on August 4. BNP Paribas upgraded to Outperform the same day. Zacks moved to Strong Buy. Oppenheimer held its Hold. The spread tells you this is not a consensus trade: half the analyst community is still anchored to the version of Ameresco that existed before data centers showed up. That anchoring is the gap. The consensus price target of roughly $43 sits well above where the stock is trading this morning, and revision direction has shifted decisively upward in the week since earnings.

The stock is also not crowded. Short interest at last check was roughly 3.95 million shares. Institutional ownership is real but not saturated, with the company sitting outside most clean energy focused fund mandates because it does not fit cleanly into solar, storage, or EPC boxes. The Neogenyx transaction arguably unlocked a cleaner read on the core business: a growing, recurring operations business underpinned by an infrastructure backlog that is three times annual revenue. That is the filing arithmetic the stock price does not yet reflect.

What breaks it

The single most likely thing to kill this thesis is cash conversion. Ameresco is growing the backlog faster than it is converting it to cash. A project delay on one of the large data center awards, a permitting snag, or a supply chain disruption of the kind it flagged with battery supplier Powin LLC could widen the cash gap at the worst moment. The company also carries about $2 billion in total debt including energy asset debt, with $164 million due within the next year. Most of that is limited recourse debt backed by energy assets, not corporate obligations, but it is still a complex balance sheet to read. If the second half revenue loading disappoints, the non GAAP EPS guidance raise will look like false confidence, and the stock will give back the post earnings move quickly.

What we are watching

  • Second half revenue conversion: management said roughly 60% of FY2026 revenue lands in H2; any signal of slippage in project timelines before the Q3 print would matter immediately
  • Q3 2026 earnings, estimated November 9, 2026: Q3 consensus EPS is $0.54, a significant step up from Q2’s $0.20, and the first hard test of the H2 loading thesis
  • Additional data center awards: management said on the call that they are in discussions on a second capital vehicle, similar to Neogenyx, to fund the data center pipeline; any announcement would reset estimates again

Not financial advice.

References

  1. Ameresco, Inc. Form 8-K, Second Quarter 2026 Financial Results. US Securities and Exchange Commission, EDGAR. Published August 3, 2026. Accessed August 12, 2026. https://ir.ameresco.com/news-events/press-releases/detail/768/ameresco-reports-second-quarter-2026-financial-results
  2. Ameresco, Inc. Form 10-Q for the quarterly period ended June 30, 2026. US Securities and Exchange Commission, EDGAR. Published August 4, 2026. Accessed August 12, 2026. https://www.stocktitan.net/sec-filings/AMRC/10-q-ameresco-inc-quarterly-earnings-report-955045a2c4f3.html
  3. Ameresco AMRC Q2 2026 Earnings Call Transcript. The Motley Fool. Published August 10, 2026. Accessed August 12, 2026. https://www.fool.com/earnings/call-transcripts/2026/08/10/ameresco-amrc-q2-2026-earnings-call-transcript/
  4. Surran C. Ameresco skyrockets after Q2 revenue beat as backlog rises 32% to record. Seeking Alpha. Published August 3, 2026. Accessed August 12, 2026. https://seekingalpha.com/news/4624192-ameresco-skyrockets-after-q2-revenue-beat-as-backlog-rises-32-to-record
  5. Ameresco Q2 Earnings Call Highlights. TradingView / MarketBeat. Published August 2026. Accessed August 12, 2026. https://www.tradingview.com/news/marketbeat:367a3e098094b:0-ameresco-q2-earnings-call-highlights/
  6. Ameresco Stock Soars on Q2 Results as Data Center Demand Accelerates. Benzinga. Published August 3, 2026. Accessed August 12, 2026. https://www.benzinga.com/markets/earnings/26/08/60891888/ameresco-stock-soars-on-q2-results-as-data-center-demand-accelerates
  7. Ameresco, Inc. Announces Closing of Neogenyx Fuels Joint Venture with HASI. Business Wire. Published May 12, 2026. Accessed August 12, 2026. https://www.businesswire.com/news/home/20260512966226/en/Ameresco-Announces-Closing-of-Neogenyx-Fuels-Joint-Venture-with-HASI-to-Accelerate-Growth-of-Advanced-Biofuels
  8. Investment Analysts Weekly Ratings Changes for Ameresco (AMRC). Daily Political. Published August 11, 2026. Accessed August 12, 2026. https://www.dailypolitical.com/2026/08/11/investment-analysts-weekly-ratings-changes-for-ameresco-amrc.html
  9. Wall Street Analysts Predict a 54.26% Upside in Ameresco (AMRC). Yahoo Finance / Zacks. Published August 5, 2026. Accessed August 12, 2026. https://ca.finance.yahoo.com/news/wall-street-analysts-predict-54-135502051.html
  10. Ameresco posts Q2 2026 results and lifts EPS view. StockTitan AMRC 8-K summary. Published August 3, 2026. Accessed August 12, 2026. https://www.stocktitan.net/sec-filings/AMRC/8-k-ameresco-inc-reports-material-event-c01f964fbe85.html
  11. Ameresco AMRC Q2 2026 earnings call transcript: revenue beat sparks 28% after hours jump. Investing.com. Published August 2026. Accessed August 12, 2026. https://www.investing.com/news/transcripts/earnings-call-transcript-ameresco-q2-2026-revenue-beat-sparks-28-afterhours-jump-93CH-4832408
  12. AMRC Looks 34.6% Undervalued on GF Value Despite Profitability Challenges. GuruFocus. Published August 4, 2026. Accessed August 12, 2026. https://www.gurufocus.com/news/9001311/amrc-looks-346-undervalued-on-gf-value-despite-profitability-challenges
  13. Ameresco (AMRC) Diluted Shares Outstanding. FinanceCharts. Accessed August 12, 2026. https://www.financecharts.com/stocks/AMRC/income-statement/average-diluted-shares-outstanding
  14. TipRanks. Ameresco (AMRC) Earnings Dates. Accessed August 12, 2026. https://www.tipranks.com/stocks/amrc/earnings
  15. Macroaxis. Ameresco (AMRC) Stock Profile. Accessed August 12, 2026. https://www.macroaxis.com/stock/AMRC/Ameresco
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