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ESS Tech (GWH) R&D spending by quarter

ESS Tech's R&D spending was $2.2M in Q2 2026 (second quarter 2026), -16% from Q1 2026. Over the last 6 quarters it ranged from $1.0M (Q3 2025) to $2.7M (Q4 2024).

ESS Tech R&D spending by quarterESS Tech R&D spending by quarter$2.7MQ4 2024$2.5MQ1 2025$1.4MQ2 2025$1.0MQ3 2025$2.6MQ1 2026$2.2MQ2 2026
QuarterR&D spendingQ/QY/Y
Q2 2026$2.2M-16%+55%
Q1 2026$2.6M+156%+6%
Q3 2025$1.0M-28%—
Q2 2025$1.4M-43%—
Q1 2025$2.5M-8%—
Q4 2024$2.7M——

Q2 2026 at a glance

ESS Tech, Q2 2026: revenue $73K (-97% year over year), net loss $15.6M, operating cash flow −$8.9M. The chart follows the revenue to costs, profit and cash.

Questions

What is ESS Tech's R&D spending?

ESS Tech's R&D spending was $2.2M in Q2 2026 (second quarter 2026), -16% from Q1 2026.

How has ESS Tech's R&D spending changed?

Over the last 6 quarters it ranged from $1.0M (Q3 2025) to $2.7M (Q4 2024).

Q2 2026 results → · How ESS Tech makes money →