Product Reports Resources Pricing Login Book a demo
COMPANY PROFILE

MxEnergy

Explore full profile

MxEnergy a natural gas provider

Stamford, United StatesFounded 2000Energy
Valuation $100–250M Last recorded · 2004
Total funding $10–50M Disclosed equity funding
Unlock exact values This page shows ranges. Dealroom has the exact numbers for MxEnergy and the history behind them.

About MxEnergy

Founded in 1999, MxEnergy carved out a significant niche as a retail supplier of natural gas and electricity in the deregulated energy markets of North America. The company was established to provide residential and small business customers with a choice in their energy procurement, capitalizing on the shift away from traditional utility monopolies. One of the co-founders, Jeffrey Mayer, served as the company's President and CEO, becoming a vocal commentator on industry matters.

MxEnergy's business model centered on acquiring customers in 41 utility territories across 15 states and two Canadian provinces, offering them alternative energy purchasing plans. The company provided both fixed and variable-rate plans, enabling clients to manage and control their energy expenditures. Beyond standard energy supply, MxEnergy diversified its offerings to include renewable energy products and carbon offsets, demonstrating a commitment to environmental considerations. To engage customers and reduce attrition in a competitive market, the firm launched initiatives like MXenergyTV, an On-Demand cable channel focused on sustainability and green living topics.

The company demonstrated substantial growth, at one point being named one of the fastest-growing companies in the U.S. Its operations were headquartered in Stamford, Connecticut, with a major operational office in Houston, Texas. This successful trajectory attracted significant attention and investment from private equity firms, including Denham Capital Management, Charterhouse Group, and Sempra Energy Trading. In July 2011, Constellation Energy acquired MxEnergy for approximately $175 million, a strategic move to double its residential customer base and expand its footprint in the mass market. At the time of the acquisition, MxEnergy served around 540,000 customers and employed over 200 people.

Source: Dealroom company data

At a glance

Status
Closed
Founded
2000
Headquarters
Stamford, United States
Open positions
None listed
Dealroom signal
0.0/100
Industry
Energy
Sector
Energy, Oil & Gas, Hard Tech
Links
Website

Funding history

1 recorded event

Company financing events and reported valuations.

Deal typeDateAmountValuationInvestorsSource
LATE VC✓Equity / VC Jul 2004 $31M $124M Greenhill Capital Partners · Charterhouse Equity Partners —
Showing the latest 1 of 1 recorded eventsBook a demo for the full funding history →

Growth signals

MxEnergy website traffic

Latest recorded traffic for MxEnergy is 0 monthly website visits, down 100% over the last three months.

Latest monthly visits0 3-month web change-100%
Summary metrics are public; monthly history is available with a demoCompare with peers →

Investments and acquisitions

Capital deployed

Recent portfolio relationships for companies that also act as investors or acquirers.

Investors

2 investors on the cap table

From Dealroom's funding and investor records, grouped by the round each investor first entered.

Series B and later2 investors entered at this stage

  • Greenhill Capital Partners
  • Charterhouse Equity Partners
Founders Hidden — book a demo/100 quality score
Key operators Hidden — book a demo quality score
Potential founders Hidden — book a demo likely future founders
Startup mafia Hidden — book a demo alumni-founded startups
Talent movements Hidden — book a demo in · Hidden — book a demo out past 12 months

Source: Dealroom Talent Intelligence.

Global footprint

Workforce and web traffic by country
Workforce by country
🇺🇸 United States · Stamford HQ
Book a demo for the full country breakdown

Market sentiment

Posts on X, past 7 days

An AI-synthesised read of the highest-engagement posts about MxEnergy on X, ranked by likes and reposts, corporate channels excluded.

Reading the room on X — pulling top posts and synthesizing themes…

Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour

See MxEnergy’s full profile on Dealroom

Request a free trial to see the complete deal history, financials, people graph and growth signals.

Takes under a minute. Already use Dealroom? Log in.