Funded Energy Startups in Denver
The disclosed rounds for Denver energy companies span from $40K (GeoSolar Technologies, 2024-01-11) up to $650M (Redaptive, 2025-05-08).
The disclosed rounds for Denver energy companies span from $40K (GeoSolar Technologies, 2024-01-11) up to $650M (Redaptive, 2025-05-08). That $650M round dwarfs the next-largest disclosed amounts in the same view—$500M (Crusoe Energy Systems, 2024-10-29) and $450M (Pivot Energy, 2024-11-21)—while most other disclosed rounds cluster far below $100M (e.g., Koloma at $50M on 2024-10-15; Jonah Energy at $750M on 2022-10-20).
The dataset shows concentration by timing and classification: 7 of 18 rounds fall between 2024-07-17 and 2024-11-21, and 7 of 18 entries are labeled “Series Unknown” across that period and earlier. Stages vary widely, with Seed and Series A appearing alongside much larger disclosed rounds (e.g., Peak Energy $55M on 2024-07-17 vs. GeoSolar Technologies $40K on 2024-01-11), and the most recent entry is Redeux Energy on 2025-06-12 with $30M.
Most recent rounds
18 shownRelated listings
Frequently asked
What’s the largest disclosed round in this Denver energy set, and how much larger is it than the rest of the disclosed amounts?
Redaptive’s $650M round on 2025-05-08 is the largest disclosed amount shown. It is far above the next-largest disclosed amounts: Crusoe Energy Systems at $500M (2024-10-29) and Pivot Energy at $450M (2024-11-21).
Which stage labels dominate, based on what’s explicitly shown?
“Series Unknown” appears in 7 of 18 rows (for example, Redeux Energy $30M on 2025-06-12 and BKV Corporation $150M on 2023-10-10). The named stages that do appear are smaller counts: Seed (GeoSolar Technologies, $40K on 2024-01-11), Series A (Peak Energy, $55M on 2024-07-17), and Series B (Koloma $50M on 2024-10-15; Cowboy Clean Fuels $13M on 2024-07-22).
Are there notable outliers on the low end, or rounds that sit well below the rest?
On the low end, GeoSolar Technologies at $40K (2024-01-11) is the smallest disclosed amount in the rows shown. Several other entries are also small relative to the $450M–$650M cluster, such as Bighorn Renewables at $500K (2023-05-18) and Latimer Controls at $100K (2023-05-18).
What does the temporal edge look like: what are the newest and oldest rounds shown here?
The newest row is Redeux Energy on 2025-06-12 with $30M. The oldest row shown is Zaiser Motors on 2021-09-02 with $100K, giving the view a multi-year span from 2021-09-02 through 2025-06-12.
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