Diligence memo · auto-generated · as of July 2, 2026
Colonial Gas Co
Colonial Gas Co has raised $200M over 2 rounds; too few niche peers to rank its valuation yet.
Businessfiled
Colonial Gas Co operates in Electric Utilities, based in Brooklyn.
No verified homepage on file yet — operating evidence is limited to the public record.
Capital & rounds (filed)filed
Colonial Gas Co has raised $200M in disclosed capital across 2 recorded rounds, aggregated from public filings. Its latest round is modeled as Series D+ (a $100M–$400M round).
Largest single filing: $150M on 2017-10-05.
Most recent recorded round closed around 2017-10-05.
Valuation (modeled)modeled
Provath models Colonial Gas Co at approximately $1.4B (range $893M–$3.1B). This is an algorithmic estimate from round sizes and same-niche peers — not a quoted or reported figure.
Too few comparable companies in this niche to rank the valuation fairly yet.
Financing rhythm & timingmixed
Historic cadence: a new round about every 67 months.
Last raise 8.7 yr ago; this sector typically re-raises about every 10 months.
Silent for over 3× the sector's normal cadence.
The last round stepped up 3.0× from the prior — scaling.
Comparablesmixed
Capital scale ranks ahead of 89% of Electric Utilities peers (133 compared).
Modeled value ranks above 89% of those peers.
Closest niche peers: Amkor Green, LLC., Algonquin Power Co.
Peoplefiled
24 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.