Best Companies in the Cleantech Industry

AES Corporation

Why This Company Has Been Nominated:
Employees at AES Corporation report a culture where individuals feel heard and valued, with a leadership team that is described as transparent, honest, and open to new ideas. Staff members note that the company’s mission to accelerate the delivery of clean energy provides a strong sense of purpose. While compensation is sometimes seen as below market rates, the health benefits are considered strong. The work environment is described as intense and high-growth, offering opportunities for development. However, some employees express concerns about frequent organizational changes impacting job security.

Ameresco

Why This Company Has Been Nominated:
Employees at Ameresco reportedly feel a sense of pride, supported by a culture guided by strong values and accessible leadership that trusts them with significant responsibility. Staff members note comprehensive benefits and fair compensation, along with flexible time-off policies that support work-life balance. While the company is seen as an innovator in sustainable solutions with a commitment to social responsibility through volunteerism, recent restructuring has raised some concerns about job security. Nevertheless, opportunities for professional growth are said to be available.

Arcadia

Why This Company Has Been Nominated:
Staff members at Arcadia have reported a positive and mission-driven work environment focused on making clean energy accessible. The company culture is often described as collaborative and innovative, with a leadership team that is seen as transparent and passionate about its social responsibility goals. Employees note competitive compensation packages and good benefits. While the fast-paced, startup-like atmosphere provides opportunities for growth, some reports suggest that this can create challenges for work-life balance and that job security can feel uncertain in a rapidly evolving market.

Array Technologies

Why This Company Has Been Nominated:
Employees at Array Technologies say the mission to expand solar power gives their work purpose, while a pragmatic culture encourages learning and adaptation. Staff members report approachable leaders, steady benefits, and pay practices they view as fair. People describe collaboration across teams and chances to grow by taking ownership of new projects. Some note fast deadlines that can stretch work-life balance, yet many feel supported by managers who coach rather than micromanage. Employees also mention a focus on safety, community engagement, and thoughtful planning that supports job stability.

Bloom Energy

Why This Company Has Been Nominated:
Employees at Bloom Energy report feeling engaged by the company’s mission to provide clean and reliable energy, which fosters a sense of social responsibility. The culture is described as having kind and respectful people, though some find it to be a top-down environment. While compensation is seen as fair and benefits are good, some staff feel pay has not kept pace with inflation. Opportunities for growth are present, but some employees report that advancement can depend on relationships with leadership. Recent layoffs have created concerns about job security.

ChargePoint

Why This Company Has Been Nominated:
Employees at ChargePoint express pride in working for an innovative company at the forefront of the electric vehicle transition, reflecting a strong sense of social responsibility. The culture is described by some as collaborative, with an open-door leadership policy that encourages the free flow of ideas. Staff members report that the compensation package, particularly the equity component, is a notable benefit. However, some employees feel overworked and underpaid, with limited opportunities for growth, and recent reorganizations have created significant concerns around job security.

Clearway Energy

Why This Company Has Been Nominated:
Staff members at Clearway Energy report a high level of satisfaction, with many expressing pride in the company's mission to advance clean energy. The culture is described as humble and collaborative, where teamwork is prioritized and leadership is seen as supportive of professional development. Employees note that the company offers best-in-class benefits and a commitment to work-life balance. The organization’s financial stability and growth trajectory provide a sense of job security, and its focus on innovation ensures it remains adaptable in the market.

Constellation Energy

Why This Company Has Been Nominated:
Employees at Constellation Energy report working in a culture that values respect, diversity, and inclusion, supported by a leadership team committed to ethical practices. The company's focus on carbon-free energy generation is a source of pride and reflects its commitment to social responsibility. Staff members note comprehensive benefits and competitive pay that rewards performance. While the large corporate structure can present challenges, it also offers job security and clear opportunities for career growth and development in an innovative and evolving industry.

Enphase Energy

Why This Company Has Been Nominated:
Employees at Enphase Energy report a product-driven culture that values problem solving and continuous improvement. Staff members describe compensation and benefits as competitive, with flexible policies that help balance life and work during busy release cycles. People say leaders are visible and communicate priorities, and they see paths to advance through mentoring and cross-functional roles. While the pace can be demanding, employees note strong teamwork, an emphasis on customer impact, and a commitment to responsible operations, which together contribute to confidence in the company’s future.

Eversource Energy

Why This Company Has Been Nominated:
Staff at Eversource Energy describe a stable work environment with a strong focus on social responsibility and community service. Employees report that the compensation is competitive and the benefits, particularly healthcare and pension programs, are top-notch. The company culture is seen as supportive, though some feel that teams are stretched thin, which can impact work-life balance. While leadership is generally viewed positively, opportunities for growth can vary. The company's position as a major utility provides a sense of job security in a dynamic industry.

First Solar

Why This Company Has Been Nominated:
Employees at First Solar report a high degree of satisfaction, driven by the company's innovative technology and mission to provide cost-effective solar solutions. The culture is described as positive and fast-paced, with a highly regarded executive team. Staff members are pleased with their total compensation and benefits package. While leadership is generally praised, some employees note a need for better communication and clearer paths for career growth. The company's strong market position and commitment to responsible manufacturing provide a sense of job security and social purpose.

Fluence

Why This Company Has Been Nominated:
Staff at Fluence report working for a global market leader in energy storage, which fosters a culture of innovation and adaptability. The company's role in creating more resilient and sustainable electric grids provides a strong sense of social responsibility and employee satisfaction. Leadership is viewed as driving meaningful change at scale. While specific details on work-life balance are varied, employees note competitive compensation and benefits. The company's growth and market position suggest opportunities for advancement, though the fast-paced environment can present challenges regarding job security.

Form Energy

Why This Company Has Been Nominated:
Employees at Form Energy describe a culture rooted in humanity, excellence, and creativity, with a mission-driven focus on enabling a just and sustainable society. The leadership team is seen as fostering an inclusive and trusting community where staff feel they belong and can thrive. Employees report exceptional benefits, including fully covered medical premiums and generous parental leave, which contributes to high satisfaction and a healthy work-life balance. The company's innovative battery technology provides a sense of job security and significant opportunities for growth in a pioneering field.

GE Vernova

Why This Company Has Been Nominated:
Employees at GE Vernova report working for a global company with vast resources and a highly open and collaborative culture that encourages learning. The organization's focus on electrifying and decarbonizing the world provides a strong sense of social responsibility and purpose. Staff members note that compensation is generally at or above market standards. While the large corporate structure can sometimes slow decision-making, it also offers job security and expansive opportunities for growth. Leadership is generally seen as supportive, though experiences can vary across different divisions.

Invenergy

Why This Company Has Been Nominated:
Staff at Invenergy describe an exciting and execution-focused culture that is open to new ideas, allowing driven employees to make an impact. The company’s work developing sustainable energy solutions provides a strong sense of social responsibility and satisfaction. Employees report that leadership is responsive and experienced, fostering a diverse and open environment. While the lean staffing can lead to long days and affect work-life balance, compensation and benefits are seen as competitive. The company's growth offers opportunities for advancement, though job security can be a concern.

NextEra Energy

Why This Company Has Been Nominated:
Employees at NextEra Energy report working for an innovative industry leader with a strong commitment to community support and sustainability. The company offers a comprehensive benefits package and opportunities to learn new things in a diverse environment. However, some staff members express significant dissatisfaction, citing a hostile work culture, poor work-life balance, and a leadership team they feel is disconnected and unsupportive. Compensation is described by some as below average, and recent restructuring has created widespread concerns about job security.

Plug Power

Why This Company Has Been Nominated:
Staff at Plug Power report working in a fast-paced, innovative environment focused on advancing hydrogen fuel cell technology. The company's mission to provide sustainable energy solutions is a key driver of employee satisfaction and reflects a strong sense of social responsibility. The culture is often described as dynamic and entrepreneurial, offering significant opportunities for growth for those who can adapt to its demands. While compensation is considered competitive, some employees note that the rapid growth can create challenges for work-life balance and that job security can feel uncertain amid market fluctuations.

Redwood Materials

Why This Company Has Been Nominated:
Employees at Redwood Materials describe a rewarding, mission-driven culture with a united goal of creating a circular supply chain for batteries. Staff members report working with talented and highly motivated colleagues in an inclusive and innovative environment that moves faster than other companies of its scale. The leadership team is seen as setting strong goals that keep the company focused. This sense of purpose and social responsibility contributes to high employee satisfaction, though the demanding, fast-paced nature of the work can impact work-life balance.

Rivian

Why This Company Has Been Nominated:
Employees at Rivian say the mission to accelerate sustainable transportation motivates them, and the hands-on environment creates chances to learn quickly. Staff members describe supportive peers, meaningful benefits, and pay they view as aligned with expectations for high-skill roles. People point to approachable leaders and frequent feedback, while noting that long hours near launches can strain balance. Employees also report visible efforts in community outreach and environmental initiatives, and they believe the company’s ability to iterate and adapt offers room to grow and a sense of security.

Sunnova Energy

Why This Company Has Been Nominated:
Employees at Sunnova Energy report a customer-focused culture that rewards initiative and collaboration. Staff members say benefits are comprehensive and compensation is designed to recognize performance, with managers who provide clear goals and coaching. People highlight flexible scheduling that helps with work-life balance, though some mention fast changes as the company scales. Employees also describe opportunities to move across functions, continual process improvements, and a consistent emphasis on safety, ethics, and service, which they feel supports stability, innovation, and confidence in the leadership team.

SunPower

Why This Company Has Been Nominated:
Staff at SunPower report a fast-paced and dynamic work environment driven by a mission to provide clean energy, which fosters a sense of purpose and social responsibility. The company is said to offer attractive compensation and benefits, along with opportunities for training and development. However, some employees have raised significant concerns about job security due to recent restructuring and layoffs. While the culture is described as valuing its people, issues with unpaid commissions and financial instability have impacted employee satisfaction and perceptions of leadership quality.

Sunrun

Why This Company Has Been Nominated:
Employees at Sunrun report a mixed experience, with some in sales roles praising the rewarding commission structure and competitive pay. The company's mission to advance solar energy provides a sense of social responsibility. However, many staff members, particularly in operations, describe a poor work-life balance, a culture that prioritizes profit over employee well-being, and concerns about job security. While some find leadership empathetic, others report a lack of support and a need for better communication and training. Benefits are generally considered good.

TAE Technologies

Why This Company Has Been Nominated:
Employees at TAE Technologies describe a highly innovative and mission-driven culture focused on developing breakthrough fusion energy solutions. This pioneering work in a cutting-edge field contributes to high levels of employee satisfaction and a strong sense of social responsibility. The leadership team is often viewed as visionary and supportive of the company's long-term goals. While the startup-like environment can be demanding and impact work-life balance, it also offers unique opportunities for growth. Compensation and benefits are reported to be competitive, reflecting the specialized nature of the work.

Tesla

Why This Company Has Been Nominated:
Employees at Tesla describe a highly innovative and fast-paced environment where they work on challenging problems that advance the company's mission of sustainable energy. This sense of purpose contributes to satisfaction for many, and staff members report that compensation and benefits are strong. However, the culture is also characterized by extremely long hours, which negatively impacts work-life balance. Reports of high pressure, inconsistent management, and significant layoffs have created widespread concerns about job security and leadership quality, with some employees feeling undervalued.

Zap Energy

Why This Company Has Been Nominated:
Employees at Zap Energy report an exciting and highly innovative culture focused on developing a new approach to fusion energy. The company's mission to create a scalable, carbon-free energy source drives a strong sense of purpose and social responsibility among staff. The leadership team is generally seen as visionary and deeply engaged in the technology. While the fast-paced research environment can be demanding on work-life balance, it offers unique opportunities for professional growth. Compensation and benefits are considered competitive, and the company's progress provides a sense of job security within the high-risk, high-reward field of fusion research.