Diligence memo · auto-generated · as of July 2, 2026
Rhombus Energy Solutions, Inc.
Rhombus Energy Solutions, Inc. looks under-valued against its niche peers and is dormant on financing cadence.
Businessfiled
Rhombus Energy Solutions, Inc. operates in Other Energy, based in SAN DIEGO.
No verified homepage on file yet — operating evidence is limited to the public record.
Capital & rounds (filed)filed
Rhombus Energy Solutions, Inc. has raised $23M in disclosed capital across 4 recorded rounds, aggregated from public filings. Its latest round is modeled as Series B (a $15M–$40M round).
Largest single filing: $17M on 2020-08-26.
Most recent recorded round closed around 2022-04-11.
Valuation (modeled)modeled
Provath models Rhombus Energy Solutions, Inc. at approximately $34M (range $9.9M–$93M). This is an algorithmic estimate from round sizes and same-niche peers — not a quoted or reported figure.
Read: Under-valued. Modeled value is 0.28× the median modeled value of Series B Other Energy companies in 2022–2024 (44 peers) — value vs value, same stage and era.
Financing rhythm & timingmixed
Historic cadence: a new round about every 16 months.
Last raise 4.2 yr ago; this sector typically re-raises about every 12 months.
Silent for over 3× the sector's normal cadence.
The last round was 4.1× smaller than the prior — a bridge or down round.
Comparablesmixed
Capital scale ranks ahead of 82% of Other Energy peers (2049 compared).
Modeled value ranks above 64% of those peers.
Closest niche peers: Pineapple Holdings, Inc., JTEC Energy, Inc., TMC the metals Co Inc., Cherry Street Holding Company, LLC, Clean Hydrogen Works LA-1, L.L.C..
Peoplefiled
14 named people on file across officers, directors and signatories.
Risks & flagsmixed
Financing has been silent well beyond sector cadence — possibly defunct, acquired, or paused.
No clearly named CEO/founder/principal in the surfaced records — key-person evidence is thin.