Endurance Energy

Endurance Energy

Trades electricity markets with hedging services

Overview

Endurance Energy is a boutique power trading firm based in Boulder, active in MISO, PJM, and SPP, trading electricity around the clock to help keep costs low and provide hedging and liquidity. Traders use fundamental and technical analysis to execute trades across regional markets 24/7, creating hedging options and pricing scenarios for market participants. The company differentiates itself by approaching energy markets from an outside traditional viewpoint and operating as a small, focused desk that emphasizes continuous trading and liquidity provision. Its goal is to reduce electricity costs for consumers in competitive markets while offering hedging opportunities and liquidity to market participants.

Funded Recently

About Endurance Energy

Simplify's Rating
Why Endurance Energy is rated
B
Rated A on Competitive Edge
Rated B on Growth Potential
Rated C on Differentiation

Industries

Industrial & Manufacturing

Energy

Company Size

1-10

Company Stage

Series A

Total Funding

$81.5M

Headquarters

Calgary, Canada

Founded

2008

People at Endurance Energy

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Simplify's Take

What believers are saying

  • Founders Fund led a $54 million Series A.
  • The company targets firm power for AI data centers and heavy industry.
  • A Tonga agreement and Juan de Fuca deployment create early commercial validation.

What critics are saying

  • Deep-sea engineering failures can wreck equipment and delay follow-on financing.
  • Subsea power distribution costs can erase project economics.
  • Permitting and territorial-water politics can slow Tonga and offshore deployments.

What makes Endurance Energy unique

  • Former SpaceX engineer Andrew Redd founded the company.
  • It targets subsea volcanic geothermal systems, not land-based geothermal.
  • It has completed four prototype deployments at 3,300-meter depths.

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Funding

Total Funding

$81.5M

Above

Industry Average

Funded Over

2 Rounds

Series A funding typically happens when a startup has a product and some customers, and now needs funding to scale. This money is usually used to grow the team, expand marketing, and improve the product. Venture capital firms are frequently the main investors here.
Series A Funding Comparison
Above Average

Industry standards

$15M
$8.2M
Discord
$15M
Canva
$30M
Kalshi
$54M
Endurance Energy

Benefits

Health Insurance

Dental Insurance

Vision Insurance

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