Insights

Growth potential Small team, broad service line and ongoing maintenance offering indicate opportunities for scalable solar solutions that can be delivered with a lean operations model. Target solar system optimization, monitoring services, and payback-focused financing to expand project scopes for existing and new commercial clients.

Solstice mission The company branding centers on peak performance solar systems, suggesting value in performance guarantees, performance tracking software, and retrofit upgrades to maximize output for commercial rooftops and utility-scale or semi-commercial deployments.

Massachusetts base Regional focus creates a foothold for local utility programs, incentives, and state-level solar initiatives. Pursue opportunities tied to Massachusetts clean energy incentives, net metering, and potential partnerships with local EPCs and developers looking for a nimble collaborator.

Limited headcount Small team size signals a need for partner-enabled delivery models, white-label O&M and project management support, and scalable financing options that allow them to win larger projects without significantly expanding staff.

Financials & growth Revenue in the one-to-ten-million range and active project services present opportunities to upsell enhanced monitoring, performance analytics, and long-term service contracts, plus targeted financing structures that align with mid-market commercial clients seeking turnkey solar solutions.

Similar companies to 621 Energy, LLC

621 Energy, LLC Tech Stack

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

621 Energy, LLC's Email Address Formats

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

Frequently Asked Questions

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

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

How much revenue does 621 Energy, LLC generate?

Minus sign iconPlus sign icon
As of October 2026, 621 Energy, LLC's annual revenue is estimated to be $1M - $10M.

What is 621 Energy, LLC's NAICS code?

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

How many employees does 621 Energy, LLC have currently?

Minus sign iconPlus sign icon
As of October 2026, 621 Energy, LLC has approximately 5 employees across 1 continents, including North America. Key team members include Project Manager: J. S., Operations And Maintenance Lead: C. B. and Principal: B. C. Explore 621 Energy, LLC's employee directory with LeadIQ.

What industry does 621 Energy, LLC belong to?

Minus sign iconPlus sign icon
621 Energy, LLC operates in the Renewable Energy Semiconductor Manufacturing industry.

What technology does 621 Energy, LLC use?

Minus sign iconPlus sign icon
621 Energy, LLC's tech stack includes Open Graph, Squarespace, WordPress, Webpack, Squarespace Commerce, Microsoft 365, Choices and HSTS.

What is 621 Energy, LLC's email format?

Minus sign iconPlus sign icon
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?

Minus sign iconPlus sign icon
621 Energy, LLC was founded in 2011.
621 Energy, LLC logo

621 Energy, LLC

Renewable Energy Semiconductor ManufacturingMassachusetts, United States2-10 Employees

621 Energy, LLC is a Massachusetts-based company that designs, owns, operates, and maintains commercial-scale solar photovoltaic systems. Located in Concord, it offers a complete suite of solar PV services, including project development, turnkey installation, operation and maintenance, and solar and energy consulting. The company serves commercial clients seeking reliable, long-term performance from their solar assets.

Guided by a solstice-inspired mission, 621 Energy aims to keep its own systems and those of its clients operating at peak performance. To support this, it has established standards for project management, engineering, product selection, installation, documentation, and ongoing monitoring to meet the requirements of discerning customers. The organization operates with a small team, reflecting its focused scope within the renewable energy sector.

Section iconCompany Overview

NAICS Code
33441 - Semiconductor and Other Electronic Component Manufacturing
Founded
2011
Employees
2-10

Section iconFunding & Financials

  • $1M - $10M

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

Ready to create more pipeline?

Get a demo and discover why thousands of SDR and Sales teams trust
LeadIQ to help them build pipeline confidently.

© LeadIQ, Inc. All rights reserved.