Insights

Specialized Solar Solutions 621 Energy focuses on commercial-scale solar photovoltaic systems, offering a full range of services from project development to maintenance. This specialization indicates strong expertise in large-scale solar projects, making them an ideal partner for organizations seeking customized solar solutions.

Growth Potential With revenue between 1 million and 10 million and a small team of 2-10 employees, 621 Energy is positioned for agile growth and potential expansion. This provides opportunities to upsell additional services or collaborative projects as they scale.

Market Alignment The company operates within the renewable energy semiconductor manufacturing sector, aligning with the rising industry trends toward sustainable energy. Targeting organizations interested in clean energy adoption positions 621 Energy as a key player in green energy transitions.

Technology Stack Utilizing advanced web and content technologies like WordPress, Squarespace, and Modernizr, 621 Energy demonstrates a modern digital footprint. This indicates they are receptive to digital marketing, online engagement, and technology partnerships to enhance their reach.

Competitive Landscape Compared to larger competitors like Sunpower or Sunrun, 621 Energy’s focused services and local Massachusetts presence create opportunities to differentiate by offering personalized, high-quality solar solutions to regional clients seeking tailored renewable energy projects.

621 Energy, LLC Tech Stack

621 Energy, LLC uses 8 technology products and services including WordPress, Open Graph, Squarespace, and more. Explore 621 Energy, LLC's tech stack below.

  • WordPress
    Content Management System
  • Open Graph
    Content Management System
  • Squarespace
    Content Management System
  • Webpack
    Development
  • Google Fonts API
    Font Scripts
  • Twemoji
    Font Scripts
  • Modernizr
    Javascript Libraries
  • Choices
    Javascript Libraries

Media & News

621 Energy, LLC's Email Address Formats

621 Energy, LLC uses at least 1 format(s):
621 Energy, LLC Email FormatsExamplePercentage
LastF@621energy.comDoeJ@621energy.com
100%

Frequently Asked Questions

Where is 621 Energy, LLC's headquarters located?

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621 Energy, LLC's main headquarters is located at 152 Commonwealth Avenue Concord, Massachusetts 01742 United States. The company has employees across 1 continents, including North America.

What is 621 Energy, LLC's official website and social media links?

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621 Energy, LLC's official website is 621energy.com and has social profiles on LinkedIn.

What is 621 Energy, LLC's NAICS code?

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621 Energy, LLC's NAICS code is 33441 - Semiconductor and Other Electronic Component Manufacturing.

How many employees does 621 Energy, LLC have currently?

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As of April 2026, 621 Energy, LLC has approximately 4 employees across 1 continents, including North America. Key team members include Project Manager: J. S.Operations And Maintenance Lead: C. B.Principal: B. C.. Explore 621 Energy, LLC's employee directory with LeadIQ.

What industry does 621 Energy, LLC belong to?

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621 Energy, LLC operates in the Renewable Energy Semiconductor Manufacturing industry.

What technology does 621 Energy, LLC use?

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621 Energy, LLC's tech stack includes WordPressOpen GraphSquarespaceWebpackGoogle Fonts APITwemojiModernizrChoices.

What is 621 Energy, LLC's email format?

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621 Energy, LLC's email format typically follows the pattern of LastF@621energy.com. Find more 621 Energy, LLC email formats with LeadIQ.

When was 621 Energy, LLC founded?

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621 Energy, LLC was founded in 2011.

621 Energy, LLC

Renewable Energy Semiconductor ManufacturingMassachusetts, United States2-10 Employees

Massachusetts-based 621 Energy, LLC builds, owns, operates and services commercial-scale solar photovoltaic systems. We provide a complete range of solar PV solutions including:
- Project Development
- Turnkey Installation
- Financing
- Operation and Maintenance
- Solar and Energy Consulting Services

June 21st is most often the date of the summer solstice, when the sun’s position in the sky reaches its northernmost extreme. This is the longest day of the year and a peak solar power day in the northern hemisphere.

In the spirit of the summer solstice, the mission of 621 Energy is to ensure that our solar photovoltaic (PV) systems and those of our clients operate at a peak performance level.

The experienced 621 Energy team has developed standards for project management, engineering, product selection, installation, documentation and ongoing monitoring which are designed to meet the requirements of the most discerning customers.

Section iconCompany Overview

Headquarters
152 Commonwealth Avenue Concord, Massachusetts 01742 United States
NAICS Code
33441 - Semiconductor and Other Electronic Component Manufacturing
Founded
2011
Employees
2-10

Section iconMedia & News

Section iconFunding & Financials

  • $1M$10M

    621 Energy, LLC's revenue is estimated to be in the range of $1M$10M

Section iconFunding & Financials

  • $1M$10M

    621 Energy, LLC's revenue is estimated to be in the range of $1M$10M

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