Quick Answer
Eos Energy Enterprises, Inc. reported R&D Expense of $28.54 million for fiscal year 2025.
Eos Energy Enterprises, Inc. R&D Expense — Annual History
| Fiscal Year | R&D Expense | YoY Change |
|---|---|---|
| 2025 | $28.54M | +25.4% |
| 2024 | $22.76M | +21.6% |
| 2023 | $18.71M | +1.3% |
| 2022 | $18.47M | -3.6% |
| 2021 | $19.15M | +40.9% |
| 2020 | $13.59M | +15.6% |
| 2019 | $11.76M | — |
Quarterly R&D Expense
| Quarter Ending | R&D Expense | YoY | QoQ |
|---|---|---|---|
| September 30, 2025 | $6.92M | -6.8% | -3.8% |
| June 30, 2025 | $7.20M | +69.4% | +5.3% |
| March 31, 2025 | $6.84M | +31.5% | -8.0% |
| September 30, 2024 | $7.43M | +130.1% | +74.8% |
| June 30, 2024 | $4.25M | -15.4% | -18.3% |
| March 31, 2024 | $5.20M | -4.5% | +61.1% |
| September 30, 2023 | $3.23M | -27.7% | -35.8% |
| June 30, 2023 | $5.03M | -8.0% | -7.7% |
- Eos Energy Enterprises, Inc. showed an increase of +25.4% in R&D Expense compared to the prior fiscal year.
- Over the 2019–2025 period, Eos Energy Enterprises, Inc.’s r&d expense has grown by 142.8% (from $11.76 million to $28.54 million).
- The most recent figure is from Eos Energy Enterprises, Inc.’s fiscal year 2025 report (Form 10-K), filed with the SEC on February 26, 2026.
- All figures are sourced from SEC EDGAR XBRL filings, last verified June 17, 2026.
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