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- **Commercial Breakthrough**: Signed $9.9M U.S. Air Force contract and Google-backed SRP project, with 2027-2028 revenue expected to eclipse prior five years combined.
- **Financial Turnaround**: 33% operating expense reduction, 38% EBITDA improvement, and $15M capital raise strengthen balance sheet for scale.
- **Execution Focus**: 2026 dedicated to flawless Energy Base delivery, with 2027+ revenue ramp and strategic capital deployment.

**【CEO Summary Section】**
- **Commercial Momentum**: Secured a $9.9 million U.S. Air Force contract and Project New Horizon with SRP and Google, targeting delivery in late 2027. These projects represent a significant shift from legacy products, with 2027-2028 revenue expected to surpass cumulative 2021-2025 totals.
- **Financial Restructuring**: Reduced operating expenses by 33% in FY25, with structural cost savings carried forward into the Energy Base cost structure. Repaid 95% of the first $30 million Yorkville tranche and raised $15 million in a registered direct offering in January 2026.
- **Team and Technology Strengthening**: Acquired VoltStorage's IP and appointed Randall Selesky as Chief Commercial Officer. Brian Lisiecki serves as Interim COO while the company searches for a permanent replacement.

**【CFO Financial Commentary】**
- **Revenue Transition**: FY25 revenue of $1.6 million reflects the phase-out of legacy products, with a 39% improvement in gross loss to $27.7 million and a 26% reduction in net loss to $63.4 million.
- **Cost Efficiency**: Operating expenses decreased 33% to $29.7 million, driven by R&D ($3.5M reduction), sales/marketing ($5.3M), and G&A ($5.9M) cuts. Adjusted EBITDA improved 38% to a loss of $44.3 million.
- **Liquidity**: Ended FY25 with $22 million in liquidity, including $14.5 million in unrestricted cash. Raised $8.6 million via ATM and drew the second $10 million Yorkville tranche in February 2026.

**【Q&A Highlights】**
- **Revenue Timing**: No 2026 revenue from key projects; Energy Base deliveries begin in 2027. Project New Horizon's 10-year PPA could transition to equipment sale, with potential follow-on SRP projects contingent on 2028 operational data.
- **Capital Strategy**: No immediate ATM use; focused on strategic capital raises to support 2027+ growth. Current balance sheet provides sufficient runway for planned execution.

ESS Tech, Inc. (GWH) Q4 2025 Earnings Call Transcript

- **Energy Base Momentum**: 50MWh SRP project marks first commercial deployment, with 100-200MWh opportunities in pipeline.
- **Financial Strength**: $30 million cash + $75 million ATM program provides ample liquidity for 2026 execution.
- **Long-Duration Focus**: Targeting 16-hour duration by 2029 to compete with emerging long-duration technologies.
- **Customer Validation**: 100% of pipeline centered on Energy Base, with utilities and IPPs driving RFP activity.
- **Cost Discipline**: $10.4 million net loss with tight expense control, positioning for 2026 growth.

**【CEO Summary Section】**
- ESS is focused on long-duration energy storage with its iron flow battery platform, targeting 10+ hour solutions for utilities, data centers, and industrial customers.
- Announced a 50-megawatt-hour Energy Base pilot project with Salt River Project (SRP), the first commercial deployment of the next-gen platform.
- Completed $40 million financing with Yorkville Advisors, repaying $15 million of the $30 million drawn, and launched a $75 million at-the-market (ATM) equity program.
- 100% of commercial pipeline activity is centered on the Energy Base platform, with RFP activity and proposal volume increasing.
- Plans to host an Investor Day in early 2026 to detail progress and roadmap.

**【CFO Financial Commentary】**
- Q3 2025 revenue: $200,000 (down from $2.4 million Q2, reflecting transition to Energy Base).
- Net loss: $10.4 million ($0.73 per share), with GAAP cost of revenues at $4.9 million and operating expenses at $5.1 million.
- Ended quarter with $3.5 million in cash, plus $30 million from Yorkville financing (closed post-quarter).
- Maintaining disciplined cost control and strategic capital allocation for manufacturing readiness.

**【Q&A Key Highlights】**
- **Project Scale**: Current focus on 50MWh projects, with 100-200MWh opportunities in pipeline; targeting 16-hour duration by 2029.
- **Competition**: Competing against other long-duration technologies (e.g., flow batteries) rather than lithium-ion in RFPs.
- **Customer Base**: Engaging primarily with utilities and IPPs for front-of-meter projects, not behind-the-meter data centers.
- **Liquidity**: $30 million cash on hand + access to $10 million Yorkville draw and $75 million ATM program, providing 18+ months of runway.
- **Execution Focus**: Prioritizing SRP project delivery, supply chain optimization, and operational efficiency.


ESS Tech, Inc. (GWH) Q3 2025 Earnings Call Transcript

- **$31M capital injection**: Extended operational runway with $2M raised via SEPA, ending July with $7.2M cash.
- **Cost transformation**: 45% YoY operating expense decline, 37% YoY cost of revenue reduction, 60% EBITDA improvement.
- **Energy Base breakthrough**: 12-17 hour duration tech, 8MWh order secured, 1.1GWh pipeline with 100% focus on long-duration solutions.
- **Supply chain resilience**: >98% domestic components, insulated from trade policy risks.

**【CEO Summary Section】**
- **Strategic pivot and financial reset**: Secured $31M in new capital, reduced operating cash burn by 80% in June, and achieved a 50% improvement in net loss and 60% improvement in adjusted EBITDA YoY.
- **Technology breakthrough**: Material substitution in core stack extended system duration to 12-17 hours, advancing cost and performance roadmap by 18 months.
- **Commercial momentum**: Closed first 8MWh Energy Base order for 2026 delivery, with 1.1GWh of proposals in pipeline (100% focused on Energy Base or core components).
- **Leadership expansion**: Hired Jigish Trivedi as COO with 30+ years of tech and manufacturing experience, and appointed Kate Suhadolnik as interim CFO.

**【CFO Financial Commentary】**
- **Q2 2025 Results**: GAAP revenue $2.4M (+294% QoQ), cost of revenues $7.5M (-15% QoQ), operating expenses $6.4M (-35% QoQ). Ended July with $7.2M cash, up from Q2 end.
- **Capital access**: Raised $2M under $25M Standby Equity Purchase Agreement (SEPA) in first 6 weeks, total liquidity now $7.2M.
- **Regulatory resilience**: >98% domestic supply chain, minimal exposure to trade restrictions; Section 45X production tax credits remain intact under OBBB Act.

**【Q&A Key Highlights】**
- **Energy Base traction**: 1.1GWh proposals (100% Energy Base-focused), first order secured, expect additional conversions in H2 2025.
- **Revenue outlook**: No Q3/Q4 guidance; focus on closing contracts for 2026+ revenue visibility.
- **Capital strategy**: Prioritize SEPA for incremental funding, while exploring broader capital raise.
- **Cash management**: June cash burn down 80% vs. Q1; aim to maintain disciplined cost structure regardless of capital raise timing.

ESS Tech, Inc. (GWH) Q2 2025 Earnings Call Transcript

- **Revenue Performance**: Q1 2025 revenue of $600,000 reflects strategic pivot to energy-based products, with a 50 MWh pilot project win in Arizona.
- **Strategic Momentum**: 1.2 GWh pipeline (70% EB) and bipartisan support for domestic battery manufacturing incentives.
- **Financial Challenges**: -$15M EBITDA; cash runway extension efforts include ATM and interim financing.
- **Tariff Tailwinds**: U.S. manufacturing advantage and legislative support counter 40%+ tariffs on Chinese lithium batteries.

**【CEO Summary Section】**
- Q1 2025 revenue: $600,000, tied to final deliveries of battery systems to a Florida utility.
- Strategic shift to energy-based (EB) product: Secured 50 MWh pilot project with Arizona utility, beating 10+ competitors. Follow-on RFP for 2 GWh project.
- Proposal pipeline: 1.2 GWh (70% EB) over last two quarters.
- Challenges: Capital raise ongoing; U.S.-China tariffs on Chinese lithium batteries at 40%+.
- Legislative tailwinds: Bipartisan support for Section 45X tax credit; Foreign Pollution Fee Act could add $200 tariffs on Chinese battery components.

**【CFO Financial Commentary】**
- GAAP revenue: $600,000; GAAP cost of revenue: $8.7M (reflects product cost-out initiatives).
- Non-GAAP operating expenses: $9.4M; R&D: $2.3M (cost-out, EB development).
- Adjusted EBITDA: -$15M; path to EBITDA positive by 2026+ with EB ramp.
- Cash position: $12.8M; Q1 cash burn lower than Q4 due to reduced production/materials.
- Liquidity efforts: ATM launched; exploring Exim loans and other interim financing.

**【Q&A Key Highlights】**
- **Revenue Outlook**: Q2 similar to Q1; ramp in H2 contingent on capital raise.
- **Cash Runway**: ~12-18 months at current burn rate; $1.9M from 2024 PTC monetization.
- **EB Project Details**: Arizona utility project includes PPAs for project-level capital; 10+ hour duration capability.
- **Customer Deposits**: 5-20% typical; targeting higher end with interim milestones.
- **Manufacturing Capacity**: Modular lines allow quick scaling; no customer concerns about current capacity.
- **Strategic Partners**: Ongoing discussions with Honeywell, SoftBank, and new investors.
- **Tariff Impact**: Increased inquiries for non-lithium alternatives; U.S. manufacturing advantage.

ESS Tech, Inc. (GWH) Q1 2025 Earnings Call Transcript

- **Revenue Miss**: FY24 revenue $6.3M vs. $9-11M guidance due to partner funding delays.
- **Cost Breakthroughs**: 50% battery pack cost reduction, breakeven on EC design 1 year early.
- **New Product Momentum**: Energy Base (EB) with 12+ hour duration targeting 2027 projects.
- **Capital Raise Needed**: Seeking $50+M to fund 2025+ growth, including EXIM Bank loan.
- **Margins Outlook**: Non-GAAP gross margin positive in 2025, GAAP positive by 2026.

**【Interim CEO Kelly Goodman Summary】**
- 2024 Revenue: $6.3 million (missed FY24 guidance of $9-11 million) due to partner funding delays and project timing issues.
- Strategic Shift: Accelerating focus on Energy Center (EC) deployment and transitioning to non-containerized Energy Base (EB) product.
- Key Milestones:
  - Delivered 8 EC systems to Florida utility (1 MW project), with commissioning expected in 2025.
  - Achieved 50% battery pack cost reduction, breakeven on EC design 1 year ahead of schedule.
  - Non-GAAP gross margin breakeven on all 2025+ products.
- New Product: Energy Base (EB) offers 400 kW power module and scalable duration (12+ hours by 2027), targeting data centers and grid-scale storage.
- Supply Chain: 98%+ domestic components, mitigating tariff risks.
- Capital Raise: Seeking $50+ million to fund 2025+ growth, including EXIM Bank loan and ATM facility.

**【CFO Anthony Rabb Financial Highlights】**
- Q4 2024 Revenue: $2.9 million (vs. $6.3 million FY24 total).
- Cost of Goods Sold (COGS): $51.7 million FY24, driven by high NRV adjustments at low volumes.
- Cost Reductions:
  - 35% EW cost reduction, 26% EC cost reduction.
  - 90%+ scrap rate improvement.
  - Electrode cost down 35%, electrolyte cost down 50%.
- Margins: Non-GAAP gross margin breakeven on 2025+ products; GAAP margin positive post-2025.
- Cash Flow: $31.6 million ending Q4; pursuing EXIM Bank loan and ATM to extend runway.

**【Q&A Key Takeaways】**
- Revenue Trajectory: Moderate Q1-Q3 2025, scaling in H2 with EC and EB shipments.
- Margins: GAAP gross margin positive by 2026; targeting 30%+ margins with PTC benefits.
- Capital Needs: $50+ million raise to fund EC/EB production, R&D, and sales expansion.
- EXIM Bank: Accessing $50 million at favorable rates for manufacturing CapEx.
- Risks: Partner funding delays, market competition, and NYSE listing status ($50M market cap requirement).

Actual	-87.3	-19.95	-0.6	-1.5	-3.15	-2.4	-2.1	-2.25	-1.65	-1.35	-1.5	-1.8	-1.9	-1.97	-1.5	-0.9	-0.73	-1.2
Forecast	-0.9	-1.2	-2.1447	-2.2606	-2.5061	-2.8463	-2.6624	-2.3	-2.0498	-1.6524	-1.726	-1.5326	-1.6795	-1.3739	-1.2415	-1.08	-1.005	-0.76
Surprise	-9600.00%	-1562.50%	+72.02%	+33.65%	-25.69%	+15.68%	+21.12%	+2.17%	+19.50%	+18.30%	+13.09%	-17.45%	-13.13%	-43.39%	-20.82%	+16.67%	+27.36%	-57.89%

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