ESS Tech, Inc. (GWH): Results of Operations and Financial Condition
ESS Tech, Inc. (GWH) filed an SEC Form 8-K — Results of Operations and Financial Condition. Exhibit 99.1 ESS Tech, Inc. Announces Second Quarter 2026 Financial Results Accelerating U.S.-Made Sodium-Ion Battery Energy Storage Development with the Bridge™ Modular Sodium-Ion System; Early-Stage Opportunities Approaching $1 Billion Signs Letter of Intent with Juniper Energy
How this was made
The 30-second read
Why it matters
The filing combines (1) updated financial performance (revenue, losses, cash burn), (2) commercialization milestones (Bridge module completion and initial testing, expected first operational product toward end of 2026), and (3) deal optionality (Juniper 500 MWh+ framework and a strategic business combination LOI with implied ~$515M enterprise value).
Market read
Traders get a same-day primary update on ESS’s financial condition plus concrete commercialization and partnership milestones, which can reprice probability-weighted future revenue and financing needs.
What to watch
Unrestricted cash is $5.6M as of July 31, 2026, and operating expenses rose in Q2; liquidity and financing risk may dominate near-term valuation despite promising sodium-ion demand commentary.
ESS Tech, Inc. Announces Second Quarter 2026 Financial Results Accelerating U.S.-Made Sodium-Ion Battery Energy Storage Development with the Bridge™ Modular Sodium-Ion System; Early-Stage Opportunities Approaching $1 Billion
Revenue was $73 thousand versus $2.4 million in the prior-year period, while net loss increased to $(15.6) million from $(11.1) million and unrestricted cash and cash equivalents were $5.6 million as of July 31, 2026. The company reported sodium-ion commercial opportunities and post-quarter letters of intent, but these initiatives remain early stage or non-binding.
Key metrics
as reported| Metric | Value | q/q | y/y |
|---|---|---|---|
| RevenueGAAP | $73 thousand | – | – |
| Total operating expensesGAAP | $7.7 million | – | increased 19% |
| Net lossGAAP | $(15.6) million | – | – |
| Net loss per shareGAAP | $(0.46) per share | – | – |
| Adjusted EBITDA lossnon-GAAP | $(7.9) million | – | – |
| Net cash used in operating activitiesGAAP | $22.4 million | – | – |
| Unrestricted cash and cash equivalentsGAAP | $5.6 million | – | – |
What drove it
- Revenue was lower due to fewer deliveries of equipment to customers.
- Total operating expenses increased primarily because of an increase in general and administrative expenses of $1.2 million, driven by legal expense associated with contingent liability accruals.
- Research and development expenses increased by $0.8 million.
- Sales and marketing expenses decreased by $0.7 million as part of efforts to prioritize investment in product development.
- The Company reported that total operating expenses for the first six months of 2026 declined 12% year-over-year.
- Early-stage opportunities for sodium-ion solutions were approaching $1 billion across data centers, critical infrastructure, and utility markets.
- The Company signed a letter of intent with Alsym Energy to add 8.5 GWh of U.S.-made sodium-ion cells and modules to its portfolio.
- Subsequent to quarter end, the Company began market rollout of the Bridge™ modular sodium-ion battery energy storage system, with the first module completed and initial charge and discharge testing beginning this week.
Concerns
- Revenue was $73 thousand, compared with $2.4 million in the prior-year period.
- Net loss increased to $(15.6) million from $(11.1) million in the prior-year period.
- Adjusted EBITDA loss was $(7.9) million, compared to $(7.8) million for the three months ended June 30, 2025.
- Unrestricted cash and cash equivalents were $5.6 million as of July 31, 2026, and the Company stated that it is actively pursuing incremental liquidity.
- The strategic business combination letter of intent is non-binding.
- The Juniper Energy LLC letter of intent is a framework for a long-term partnership, and Juniper has expressed its intent to procure 500 MWh or more by 2032.
- The first operational Bridge™ product is expected toward the end of 2026, and the planned California project is targeted for commercial operation in 2027.
What to watch
- Conversion of early-stage sodium-ion opportunities approaching $1 billion into revenue.
- Progress toward the first operational Bridge™ product expected toward the end of 2026.
- Advancement of the planned 10 MW / 80 MWh California project, targeted for commercial operation in 2027.
- Whether Juniper Energy LLC proceeds with procurement of 500 MWh or more of ESS battery energy storage systems by 2032.
- Progress toward definitive agreements for the non-binding strategic business combination, which implies an expected combined enterprise value of approximately $515 million.
- Liquidity initiatives and further repayment of the promissory note with Yorkville.
Balance sheet and cash flow
- Net cash used in operating activities was $22.4 million for the six months ended June 30, 2026, compared with $30.6 million in the prior-year period.
- Unrestricted cash and cash equivalents were $5.6 million as of July 31, 2026.
- As of the date of this release, had repaid $37 million of the $40 million principal amount outstanding under the Company’s promissory note with YA II PN, Ltd. (“Yorkville”).
- The Company stated that it continues to actively pursue multiple sources of incremental liquidity to support operations and position the Company for long-term growth.
- The Company stated that it benefited from capital raised through its registered direct offering earlier in the year.
Analysis
ESS reported a weak second quarter on current operating results. Revenue was $73 thousand for the three months ended June 30, 2026, compared with $2.4 million in the prior-year period, which the company attributed to fewer deliveries of equipment to customers. Net loss was $(15.6) million compared with $(11.1) million, while adjusted EBITDA loss was $(7.9) million compared with $(7.8) million. The release does not provide prior-quarter revenue, loss, or adjusted EBITDA figures, so quarter-over-quarter changes cannot be assessed from the filing.
Expense discipline is mixed within the reported results. Total operating expenses increased 19% to $7.7 million from $6.5 million in the prior-year period. The increase reflected a $1.2 million rise in general and administrative expenses associated with legal expense and contingent liability accruals, plus a $0.8 million increase in research and development expenses, partly offset by a $0.7 million reduction in sales and marketing expenses. Management also stated that total operating expenses for the first six months of 2026 declined 12% year-over-year, indicating that the second-quarter increase occurred alongside a broader first-half expense-reduction effort.
Liquidity remains central. Net cash used in operating activities was $22.4 million for the six months ended June 30, 2026, compared with $30.6 million in the prior-year period. Unrestricted cash and cash equivalents were $5.6 million as of July 31, 2026, and management said it continues to pursue multiple sources of incremental liquidity. The company also reported repayment of $37 million of the $40 million principal amount outstanding under its Yorkville promissory note as of the release date. No capital-return activity was reported.
The strategic narrative is focused on sodium-ion commercialization rather than present revenue. ESS cited early-stage opportunities approaching $1 billion and an 8.5 GWh letter of intent with Alsym Energy. Subsequent to quarter end, ESS signed a letter of intent with Juniper Energy LLC covering 500 MWh or more, beginning with a planned 10 MW / 80 MWh California project targeted for commercial operation in 2027. The company also began market rollout of Bridge™, with the first module completed, but the first operational Bridge™ product is expected toward the end of 2026.
The release provides no formal financial outlook. Investors should focus on whether Bridge™ reaches its stated operational timing, whether the Juniper framework advances toward procurement and project execution, and whether the company secures incremental liquidity. The contemplated strategic business combination is also material to monitor, but the letter of intent is non-binding and definitive agreements have not been reported.
Management, verbatim
The second quarter marked an inflection point for ESS as we accelerated our expansion into sodium-ion energy storage while maintaining the disciplined execution and capital focus that have defined our reset.
Drew Buckley, Chief Executive Officer of ESS
The demand we are seeing for sodium-ion is unlike anything in our company’s history.
Drew Buckley, Chief Executive Officer of ESS
We remain focused on disciplined expense management, liquidity, and the strategic allocation of capital as we support the business through its transition and commercialization efforts.
Kate Suhadolnik, Chief Financial Officer of ESS
Not in the filing
stated, not guessed- Gross profit
- Gross margin
- Operating income or loss
- GAAP diluted weighted-average shares outstanding
- Non-GAAP earnings or loss per share
- Free cash flow
- Capital expenditures
- Cash and cash equivalents as of June 30, 2026
- Total debt balance as of June 30, 2026 or July 31, 2026
- Remaining principal balance under the Yorkville promissory note
- Segment revenue
- Prior-quarter comparisons for reported quarterly metrics
- Formal financial guidance for revenue, gross margin, operating expenses, tax rate, or earnings
- Prior-quarter outlook for comparison
AlphaAI analysis generated from the company’s SEC earnings filing (Form 8-K Item 2.02, or Form 6-K for a foreign private issuer). Every figure was cross-checked against the filing text; consensus estimates, price targets and share-price reactions are not shown because they are not in the filing. AI-generated research, not investment advice.
Background
ESS filed an 8-K with Q2 2026 financial results and multiple subsequent LOIs tied to its U.S.-made sodium-ion Bridge modular system.
Ticker impact
ESS reported Q2 2026 results and disclosed sodium-ion Bridge rollout, a Juniper 500 MWh LOI, and a strategic-combination LOI implying ~$515M enterprise value.
Moderate upside bias on risk-on sentiment, but volatility likely given small revenue, ongoing losses, and non-binding nature of the strategic-combination LOI.
The filing is a primary disclosure with multiple time-stamped catalysts (Bridge rollout, Juniper framework, LOI with implied valuation) but financials still show minimal revenue and continued net losses, limiting conviction until definitive agreements or revenue traction materialize.
Market effects
Highlights accelerating interest in sodium-ion energy storage and potential read-through to non-lithium battery supply chain and project developers.
California utility project framing could support regional deployment expectations for grid storage.
If sodium-ion commercialization scales, it may influence global competitive dynamics versus lithium-ion storage, though this filing is still early-stage.
Counterpoint
Non-binding LOIs and early-stage testing may not translate into revenue quickly, so the stock could fade if definitive terms or procurement milestones slip.
Key entities
- companyESS Tech, Inc.
NYSE-listed non-lithium energy storage provider filing Q2 2026 results and disclosing sodium-ion commercialization and LOIs.
- counterpartyJuniper Energy LLC
Energy company named in a LOI for 500 MWh+ sodium-ion storage, starting with a planned 10 MW / 80 MWh California project.
- financing counterpartyYorkville (YA II PN, Ltd.)
Promissory note holder; ESS disclosed repayment of $37M of the $40M principal outstanding.
- transaction counterpartyPrivate energy-sector company (unnamed)
Named only as a private partner in a non-binding strategic business combination LOI implying ~$515M combined enterprise value.
