Strong Top-Line Growth
Q1 revenue of $57 million, up ~445% year-over-year (more than 5x the same quarter last year). Combined revenue of $115 million across the last two quarters, exceeding total 2025 revenue.
Substantial Pipeline and Backlog Expansion
Backlog of $645 million (2.6 GWh) at quarter end. Commercial pipeline of $24 billion representing 107 GWh, up 3% sequentially and up 56% year-over-year. 55% of the pipeline is at 8-hour+ duration, aligning with Eos’ long-duration focus.
Frontier Power USA Strategic Platform
Announced Frontier Power USA with a 2 GWh firm capacity reservation. Cerberus committing $100 million equity; Eos targeting a $150 million pro rata rights offering. Capital structure intends a three-layer stack: equity, an Ariel Green (Lloyd’s) technology performance insurance wrap, and >$1 billion senior project debt with targeted ~5x leverage to enhance bankability and accelerate project finance.
Manufacturing Productivity and Cost Improvements
Cube output increased 17% sequentially and 467% versus Q1 2025. Direct labor per cube down 47% year-over-year and 25% quarter-over-quarter. Manufacturing overhead per cube down 43% year-over-year (despite a 10% sequential increase driven by strategic spare/maintenance investments). Material costs down 5% sequentially as supplier optimization and design improvements take effect.
Improving Unit Economics and Margin Trajectory
Gross loss improved by roughly $10 million quarter-over-quarter (gross loss for the quarter $44.4 million). Gross loss improved on a per-dollar basis as production increased 17% QoQ; adjusted gross loss excluding noncash stock-based comp and D&A was $39 million, a 133 percentage point margin improvement YoY. Management expects adjusted gross margin positive later in 2026 and adjusted EBITDA positive before year-end.
DawnOS and Z3 Technical Validation
Cumulative Eos technology discharge of >6 GWh and ~3.9 million cycles; Z3 accounts for 0.5 GWh and >1 million cycles. DawnOS/module-level BMS improved average round-trip efficiency from prior 34–42% range to low–mid 70s, reduced standard deviation from >17 points to 5–8 points, with peak performance up to 88% and compression of average-to-peak variance from ~30 points to ~10 points — increasing predictability and financeability.
Thorn Hill Manufacturing Expansion On Track
Thorn Hill production line installed and being debugged; initial production targeted end of Q2 (June) with full production expected in Q4 2026. Thorn Hill is purpose-built to scale automation learnings from Turtle Creek and is expected to compound cost and throughput advantages.
Customer Wins and Commercial Momentum
Customer project expanded from 4 hours to 10 hours with a DawnOS system upgrade. Joint development agreement with TURBINE-X targeting 2 GWh of storage over the next several years with initial deployments in 2027. Active engagement in PJM, MISO, NYSERDA opportunities and with hyperscalers/AI customers seeking long-duration, high-duty-cycle solutions.
Solid Liquidity Position with Near-Term Converts
Ended Q1 with $472 million in cash; management expects approximately $60 million of that to convert back onto the balance sheet with the upcoming DOE loan drawdown, PTC monetization and customer invoicing.
Leadership and Governance Updates
Announced incoming CFO Alessandro Lagi (joining in June) to lead finance as Nathan Kroeker returns focus to commercial. Shareholder-centric rights offering structure proposed to allow existing shareholders to participate in Frontier equity.