12 Best Renewable Energy Consultants to Work With & Achieve Net Zero [Full Review]

Corporations are facing mounting pressure to comply with emissions standards. Signing Power Purchase Agreements (PPAs) with renewable energy sources and leveraging Renewable Energy Certificates (RECs) or Guarantees of Origin (GOs) are critical strategies to achieve this. However, navigating the complexities of these options can be a challenge.

According to the International Energy Agency (IEA), the global energy sector needs to reach net-zero emissions by 2050 to limit global warming to 1.5°C above pre-industrial levels. The good news is that renewable capacity will meet 35% of global power generation by 2025, a significant increase from 20% in 2010 (IEA, 2023).

This article is designed to be your one-stop guide. We’ll explore how renewable energy consultants can help large businesses like yours achieve net-zero goals by strategically using PPAs, RECs, and GOs. We’ll also highlight the top 12 renewable energy consulting firms that can be your partners on the road to a sustainable future.

What Do Renewable Energy Consultants Do?

Renewable energy consultants play a pivotal role in guiding organizations through the intricate landscape of sustainability initiatives. In particular, they help ensure clients can effectively leverage power purchase agreements (PPAs), renewable energy certificates (RECs), and guarantees of origin (GOs) to achieve their renewable energy and carbon reduction goals.

For PPAs, consultants provide invaluable support, from conducting feasibility studies and financial modeling to negotiating and structuring PPA contracts with renewable energy developers.

They assess risks and offer mitigation strategies while providing guidance on choosing the appropriate PPA type, physical or virtual, and contract duration. Their expertise also proves indispensable in navigating the regulatory complexities surrounding PPAs.

When it comes to RECs and GOs, consultants assist clients in developing procurement strategies, sourcing these certificates from various renewable energy sources, and facilitating their purchase, retirement, and reporting.

They ensure compliance with relevant regulatory frameworks and certification schemes, quantify the environmental benefits of REC and GO purchases, and develop long-term procurement strategies aligned with sustainability targets.

Additionally, renewable energy consultants develop holistic strategies, conduct carbon footprint assessments, provide energy attribute certification and green marketing support, engage stakeholders, and report on sustainability initiatives.

They continuously monitor and optimize clients’ renewable energy portfolios, ensuring their investments yield maximum returns and align with their sustainability objectives.

Here is a video from Jobfarm Scotland that gives a view into the life of a Renewable Energy Consultant and what they do.

What Services Do Renewable Energy Consultants Offer?

Goal Setting and Tracking: Assist in setting realistic energy efficiency and renewable energy targets, aligning with the company’s sustainability objectives, and tracking progress towards these goals

Strategic PPA Sourcing and Negotiation:

Market Analysis: Consultants can analyze the renewable energy market to identify the most cost-effective PPA options for your specific needs and location.
Contract Negotiation: They can negotiate favorable terms with energy providers, ensuring you secure the best possible price and risk mitigation strategies.
Project Structuring and Due Diligence: Consultants can help structure the PPA to align with your financial goals and risk tolerance and conduct due diligence on potential energy providers.

Optimizing RECs and GOs Procurement:

REC/GO Selection: Consultants can help you understand the difference between RECs and GOs and choose the most suitable option based on your sustainability goals and reporting requirements.
Supplier Selection: They can help source reputable REC/GO providers and negotiate competitive prices.
Tracking and Management: Consultants can establish systems to track your REC/GO purchases and ensure they meet your sustainability commitments.
Beyond Transactions: Holistic Net-Zero Strategy

Wind Farm

What Are The Benefits Of Working With Renewable Energy Consultants?

Partnering with experienced renewable energy consultants provides businesses with a comprehensive roadmap to achieve their sustainability goals. They can also mitigate climate risks and future-proof their operations in an increasingly eco-conscious marketplace. Here are some benefits you can enjoy from working with these consultants:

Cost Savings: Identify areas of energy waste and recommend strategies to reduce consumption, resulting in significant cost savings.

Streamlined Process: They can handle the complexities of PPAs, RECs, and GOs, freeing up your internal resources to focus on core business activities.

Better Environmental Performance: Help companies reduce their environmental impact by decreasing energy consumption and carbon emissions.

Enhanced Operational Efficiency: Improve operational efficiency by reducing energy consumption.

Improved Sustainability: Assist companies in meeting their sustainability targets and improving their reputation as sustainable businesses.

Improved Energy Procurement & Risk Management: Their expertise can help mitigate risks associated with fluctuating energy prices and ensure the reliability of your renewable energy supply.

Easier Transition to Greener Resources: Facilitate the transition to greener energy sources by providing reliable information and guidance.

Helps Set Realistic Goals: Assist in setting achievable energy efficiency targets that balance sustainability with profitability.

Adds Business Value: Enhance a company’s reputation and value by demonstrating a commitment to sustainability and energy efficiency

Renewable Solar Energy

12 Leading Renewable Energy Consultant Companies Worldwide

Trio

HQ Location
Los Angeles, USA
Founded
2013
Num. of Employees
2-10

Trio, a global sustainability and energy advisory company, offers expert services in renewable energy consulting, particularly in the area of power purchase agreements (PPAs). Their team of data-driven consultants provides market-leading sustainability analytics to identify and structure ideal projects, efficiently manage energy risks, and deploy renewables across large, complex portfolios.

PPA Procurement and Ownership

Trio helps clients navigate the complexities of PPA procurement and ownership, ensuring they achieve their sustainability goals while minimizing costs and risks.


Renewable Energy Aggregation

The company facilitates renewable energy aggregation, allowing buyers with smaller energy loads or companies with shared objectives to aggregate together to procure energy from new renewable energy projects, providing economies of scale in PPA pricing and transaction costs.


Sustainability Strategies and Action Plans:

Trio provides clients with comprehensive sustainability strategies and action plans, applying best practices to specific business contexts to create high-impact, achievable goals that drive brand equity and community benefits.

Continuous Monitoring and Analysis:

The company offers continuous monitoring, analysis, and alerting for energy and sustainability initiatives, empowering clients to see the benefits of their hard work and incorporate learnings into future initiatives.

Magnus logo

Magnus Energy

HQ Location
Netherlands
Founded
2008
Num. of Employees
11-50
Magnus Homepage

Magnus Energy is a consulting firm specializing in renewable energy and the energy transition, offering expertise in areas like energy modeling, regulatory analytics, and complex program management.

Based in the Netherlands, the company supports strategic decision-making and large-scale energy projects across Europe, fostering international cooperation and sustainable development

Energy Modeling & Strategies

Magnus Energy customizes grid and market models to support strategic decisions, covering topics like grids, markets, and asset commercialization. This helps clients assess future technology developments, market potentials, and regulatory impacts on their operations​.

Regulatory & Energy Analytics

The firm assesses the impacts of regulatory changes on operations by performing numerical studies and risk mitigation analyses. They quantify effects on social welfare, bidding strategies, and the costs of ancillary services, ensuring clients navigate evolving energy regulations effectively.

Business & Technology Consulting

Magnus Energy advises on new strategies and technologies for the energy transition, helping businesses adapt and implement changes. Their consultants support organizational transformations to tap into new technologies and optimize business processes​.

Complex Program Management

They manage multi-stakeholder energy projects, ensuring smooth cooperation and progress among various parties. Magnus Energy facilitates decision-making and provides roles like IT project management, stakeholder management, and business analysis support.

Investment Decision Support

The company analyzes value streams and identifies promising revenue opportunities for renewable energy investments. They provide insights into market potential and future-proof investments by assessing national and multi-market settings​

First Climate

HQ Location
Bad Vilbel, Germany
Founded
1999
Num. of Employees
51-200

First Climate is a company that specializes in renewable energy projects and offers Power Purchase Agreement (PPA) consulting services. They help clients develop and implement effective PPA strategies to meet their green energy targets in a cost-effective manner. 

First Climate distinguishes between two types of physical PPAs:

On-Site PPA: Secures a direct physical supply of electricity from a renewable energy facility.

Off-Site PPA: The company agrees to purchase a set physical amount of electricity from the public grid, without directly receiving it from the renewable facility.

PPAs offer several benefits to companies, including securing a predetermined tariff for renewable electricity. It also minimizes financial risks associated with volatile prices, and avoids the need for upfront investment or operation and maintenance charges.

Vector Renewables Logo

Vector Renewables

HQ Location
Madrid. Spain
Founded
2004
Num. of Employees
201-500
Vector Renewables Homepage

Vector Renewables is a leading renewable energy consulting firm that provides comprehensive commercial, technical, and legal services to support clients throughout the entire life cycle of their renewable energy projects.

The company offers a range of services, including technical due diligence, engineering design, project management, and asset management, ensuring that projects are planned and executed efficiently from a technical standpoint. Vector Renewables also provides specialized services such as vendor due diligence, technical site assessments, and design optimization to ensure the financial success of renewable energy facilities.

Additionally, the company supports the application of ESG criteria throughout the project life cycle, enhancing the value of projects for investors. With over 20 years of experience and projects managed in over 8 countries, Vector Renewables is a strategic partner for major renewable energy projects globally.

Comprehensive services across the entire project lifecycle

Vector Renewables provides technical advisory, asset management, and legal advisory support for renewable energy projects from development through construction, operation, and end-of-life.

Expertise in all renewable energy technologies 

They offer services for solar PV, wind, hydroelectric, biomass, and energy storage projects.

Global reach with projects in over 40 countries 

Vector Renewables has a worldwide presence with offices in many countries and experience managing projects across the globe.

Proprietary digital asset management platform NUO 

They use an in-house developed tool called NUO that leverages digitalization, standardization and automation to optimize renewable asset performance.

Integrated technical, financial and legal advisory 

Vector Renewables combines expertise across disciplines to provide comprehensive support, especially for financial institutions, on the technical and financial aspects of renewable projects

Mott Macdonald logo

Mott MacDonald

HQ Location
London, UK
Founded
1989
Num. of Employees
10,001+
Mott MacDonald Homepage

Mott MacDonald is a leading global consultancy that provides comprehensive engineering services for renewable energy projects. With over a century of energy expertise, the company has worked on numerous landmark projects, including solar, wind, wave, tidal, and hybrid renewable energy solutions.

Mott MacDonald’s expertise spans the full project lifecycle, from concept and design to construction and operations, and includes innovative solutions for energy storage, grid resilience, and energy security. The company’s commitment to sustainability ensures that its projects meet international standards, limiting environmental impacts and enhancing social benefits.

With a global presence and extensive experience in various sectors, Mott MacDonald is well-positioned to support the transition to a low-carbon future through its cutting-edge renewable energy consulting services.

Global Expertise and Experience

Mott MacDonald has extensive experience in renewable energy projects, covering various technologies such as wind, solar, hydro, geothermal, biomass, tidal, and wave energy. The company has worked on landmark projects globally, providing engineering services for significant capacities in hydropower, wind, solar photovoltaic, concentrated solar power, and geothermal energy.

Technical, Commercial, and Regulatory Support

Mott MacDonald offers comprehensive support for renewable energy projects, covering technical, commercial, regulatory, and environmental aspects.

Innovative Solutions and Project Management

Mott MacDonald is involved in innovative projects to reduce costs and ensure grid resilience, such as incorporating energy storage to maximize energy yield and provide energy security.

Global Reach and Client Base

Mott MacDonald works with a wide range of clients, including energy majors, owners, utilities, ECP contractors, investors, lenders, donor agencies, and governments.
The company has a global presence, with offices in various regions, and provides services for international renewable energy projects.

Digital Capabilities and Asset Management

Mott MacDonald employs the latest technologies, such as building information modelling (BIM), to reduce delivery costs and add value to projects.

Alvarez & Marsal Logo

Alvarez & Marsal

HQ Location
New Yok, USA
Founded
1983
Num. of Employees
5,001-10,000
Alvarez & Marsal Homepage

Alvarez & Marsal, a leading consulting firm known for its expertise in turnaround management and restructuring, also provides consulting services in the renewable energy sector.

The firm’s renewable energy practice focuses on helping clients in the energy industry navigate complex challenges and opportunities, including energy transition, sustainability, and regulatory compliance.

With a strong presence in the sector, Alvarez & Marsal offers a range of services such as strategy development, project finance, and operations improvement to support clients in the renewable energy space, including wind, solar, and energy storage projects.

Hands-on Approach to Corporate Transformation

A&M provides a comprehensive support system to navigate market shifts and financial and operational challenges, ensuring the business adapts and thrives in the evolving energy landscape.

Mergers, Acquisitions, and Divestitures

A&M offers strategic opportunities for growth and diversification of energy portfolios through their expertise in mergers, acquisitions, and divestitures.

Technology Enablement

A&M enhances operational efficiency and competitiveness in the renewable energy sector through their expertise in technology enablement.

Comprehensive Financial and Operational Stabilization

A&M provides comprehensive support in stabilizing financial and operational performance, enabling rapid and effective responses to market changes and challenges.

Legacy of Delivering Client Value

A&M’s legacy of delivering client value and a culture that embraces diverse perspectives and involvement in meaningful causes sets them apart in the market.

ecohz logo

Ecohz

HQ Location
Oslo, Norway
Founded
2002
Num. of Employees
201-500
Ecohz Homepage

Echoz is a renewable energy advisory firm that focuses on providing strategic guidance and support to clients in the renewable energy sector. The company offers a range of services, including project development, financial modeling, and stakeholder engagement, to help clients navigate the complexities of the renewable energy market.

Echoz has extensive experience in the sector, having worked on numerous projects across various technologies, including solar, wind, and hydrogen.

The firm’s expertise spans from project conception to implementation, ensuring that clients receive comprehensive support throughout the entire project lifecycle.

Real-time Insights

Provides actionable insights into customer conversations as they unfold, enabling strategic decision-making.

Automated Summarization

Generates AI-driven conversation summaries to streamline communication and enhance compliance monitoring.

Digital Solutions

Develops simplified tools for companies to document and report sustainability actions in a data-driven manner, aiming to become long-term partners for corporate clients.

Ecohz’ PPA advisory ensures businesses get the most out of these contracts and guides companies every step of the way, from choosing the right project to negotiating terms that deliver on clean energy and financial targets.

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3Degree Group Inc.

HQ Location
San Francisco, California, USA
Founded
2007
Num. of Employees
201-500
3Degree Homepage

3Degrees Group, Inc. is a leading sustainability consulting firm dedicated to addressing climate change through renewable energy and decarbonization solutions.

With expertise in sustainability consulting, environmental markets, renewable energy, and carbon project development, the company helps organizations worldwide achieve their renewable energy and emissions reduction goals.

3Degrees offers a range of services, including carbon offsetting, renewable energy procurement, and transportation decarbonization solutions, to support businesses in their transition to a low-carbon economy.

Power Purchase Agreements (PPAs)

3Degrees helps clients procure renewable energy through PPAs, which enable them to purchase clean energy directly from renewable energy projects.


Renewable Energy Certificates (RECs)

The company assists clients in acquiring RECs, which represent the environmental attributes of one megawatt-hour of renewable energy. RECs help clients offset their carbon footprint and meet their renewable energy goals.


Green Options (GO):

3Degrees offers GO solutions, which involve purchasing renewable energy directly from the grid or through on-site generation. This approach helps clients reduce their carbon footprint and achieve their sustainability goals.

These services are designed to support businesses in transitioning to a low-carbon economy and addressing the urgent challenge of climate change.

Natural Power logo

Natural Power

HQ Location
Bristol, England, UK
Founded
2012
Num. of Employees
2-10
Natural Power Homepage

Natural Power is an independent renewable energy consultancy and products provider with over two decades of industry expertise.

The company offers a comprehensive range of services including planning and development, ecology and hydrology, technical, construction and geotechnical, asset management, and due diligence services across various sectors such as onshore and offshore wind, wave, tidal, and biomass.

With a global presence, Natural Power provides proactive and integrated solutions to support the development and operation of renewable energy projects

Planning and Development

Natural Power provides planning and development services for renewable energy projects, ensuring compliance with local regulations and environmental considerations.

Ecology and Hydrology

They offer expertise in ecology and hydrology, which is crucial for assessing the environmental impact of renewable energy projects and ensuring their successful implementation.

Technical, Construction, and Geotechnical Services

Natural Power provides technical, construction, and geotechnical services to support the development and operation of renewable energy projects, including wind farms, solar power, and biomass facilities.

Asset Management

The company offers asset management services to help clients optimize the performance and efficiency of their renewable energy assets, ensuring long-term sustainability.

Due Diligence

Natural Power provides due diligence services to support the acquisition and divestment of renewable energy assets, ensuring that clients make informed investment decisions.

Greensolver

HQ Location
London, UK
Founded
2008
Num. of Employees
51-200
Greensolver Homepage

Greensolver’s PPA (Power Purchase Agreement) advisory service focuses on helping clients navigate the complexities of purchasing renewable energy from a solar or wind farm. They assist with:

  • Negotiating contract terms to ensure you get the best deal
  • Making sure the environmental benefits you expect, like Renewable Energy Certificates (RECs) and Guarantees of Origin (GOs), are properly transferred to you
  • Managing the entire PPA process to secure a cost-effective and reliable clean energy source

In essence, Greensolver acts as your expert guide to ensure you get clean energy and the environmental benefits you’re aiming for through PPAs.

Comprehensive Services

Zenotech offers a range of services covering the entire life cycle of renewable energy facilities, from project development and construction to operation and management. This includes technical, financial, and legal support throughout the project’s life cycle.

Technical Expertise

Zenotech provides technical consulting services, including due diligence, engineering design, and project management. They also handle the end-to-end management of open tender processes and offer specialized advice for drafting EPC/BoP and O&M contracts.

Financial Support

Zenotech offers financial support, including vendor due diligence and technical site assessment services. They also provide technical advisory services for financial institutions and sponsors, evaluating project characteristics from a financial and operational perspective.

ESG Criteria

Zenotech emphasizes the importance of applying ESG (Environmental, Social, and Governance) criteria to enhance the value of projects for investors and optimize efficiency. They provide international support in the application of ESG criteria throughout the life cycle of renewable projects.

Global Experience

With over 20 years of experience in the sector, Zenotech has worked on projects in more than 40 countries, providing strategic support for major renewable projects globally.

Asset Management

Zenotech’s asset management team, backed by extensive experience, handles the technical and commercial management of assets, ensuring seamless communication with financial institutions and stakeholders.

Digital Tools

Zenotech uses digital tools like NUO, a comprehensive project control system, to manage assets and projects efficiently.

Partnerships

Zenotech partners with other firms to deliver comprehensive commercial, technical, and legal services, ensuring that clients receive a multidisciplinary approach to their renewable energy projects.

Arup logo

Arup

HQ Location
London, UK
Founded
1946
Num. of Employees
10,001+
Arup Homepage

Arup is a British multinational professional services firm headquartered in London that provides design, engineering, architecture, planning, and advisory services across various sectors.

Founded in 1946 by Sir Ove Arup, the company has grown organically and is now owned by its employees through a trust structure. With over 17,000 employees across 90 offices in 35 countries.

Arup has recently turned its focus on sustainability, particularly in the area of renewable energy consulting. This company’s comprehensive approach to renewable energy consulting helps clients navigate the complexities of the energy transition and achieve their sustainability goals.

Whole Systems Planning

Arup uses a whole-system approach to model heat, cooling, power, transport, and industrial energy, providing a robust evidence base for delivery plans and advancing the journey to net zero.

This approach helps clients understand the complexities of interconnected energy systems, new technologies, market volatility, regulation, and policy.

Energy Procurement

Arup’s renewable energy consulting helps companies buy clean energy. They can help you with contracts (PPAs) to lock in a price for renewable energy, certificates (RECs and GOs) to show you’re using clean energy, and navigating the whole process.

Resilience Planning

Arup emphasizes the importance of resilience in urban energy systems, considering factors such as extreme weather events, cyber-attacks, and regulation. They help clients assess operational strengths and develop strategies for resilience.

Decarbonization Strategies

Arup advises clients on the transition to net zero energy, focusing on strategies such as hydrogen networks, microgrids, and retrofitting buildings to drive down consumption and incorporate demand-responsive characteristics.

Technical and Commercial Expertise

Arup’s expertise in structural and civil engineering supports the development of new renewable energy infrastructure, such as offshore wind farms and solar PV arrays.

Solar PV

Arup supports clients across the entire lifecycle of solar PV projects, including planning, advisory, engineering, and management.

Offshore Wind

Arup is involved in the development of offshore wind globally, providing technical and commercial expertise to clients. They also invest in developing new tools and approaches to support the industry’s expansion into new areas.

Hydrogen Networks

Arup is exploring opportunities for hydrogen networks in urban areas, supporting the transition of energy networks and helping clients develop strategies and target investments for decarbonisation.

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Pexapark

HQ Location
Schlieren, Zurich
Founded
2017
Num. of Employees
51-200
pexapark-homepage

Pexapark is a Swiss company that offers software products and consulting services for managing renewable energy assets and power purchase agreements (PPAs).

They focus on optimizing revenue, pricing, and risk management for renewable energy projects.

Multiple Product Solutions

They offer three software products that allow asset managers to optimize revenue vs. risk, understand hedging strategies, value assets, price standard contracts fairly, and connect with off-takers for PPA quotes.

Strategic Partners

Pexapark partners with leading energy companies and organizations to push the frontier of renewable energy.

Their partners include AFRY Management Consulting, S&P Global Commodity Insights, EY, SolarPower Europe, Renewable Hydrogen Coalition, and the European Commission’s Horizon 2020 program.

Solar Energy Champions

As a member of SolarPower Europe, Pexapark is committed to supporting the growth of solar energy and promoting sustainable business practices.

Market Expertise

Pexapark has supported over 20 GW of renewable power purchase agreement (PPA) transactions to date.

Over 200 energy companies in Europe access daily PPA reference prices and market intelligence from Pexapark.

 

Final Thoughts

Despite the obstacles, the path to net-zero emissions for large enterprises can be achieved. Navigating the intricate landscape of power purchase agreements (PPAs), renewable energy credits (RECs), and carbon offsets simply requires a strategic approach and expert guidance.

By partnering with a top-tier renewable energy consultant, these organizations can leverage unparalleled expertise and innovative solutions to successfully navigate the journey toward sustainability.

The consultants highlighted in this article offer a deep understanding of the renewable energy market, cutting-edge strategies, and a commitment to empowering clients to meet their ambitious net-zero targets. In an era where environmental responsibility is both a moral imperative and a business necessity, collaborating with these industry leaders can provide a competitive edge.

With their support, corporations can confidently implement comprehensive renewable energy strategies, reduce their carbon footprint, and cement their reputation as trailblazers in the fight against climate change.

Frequently Asked Questions

What are the financial risks and benefits of a PPA compared to traditional electricity supply?

PPAs offer predictable electricity costs with fixed or indexed pricing, shielding you from market fluctuations. This can lead to long-term savings, but the initial setup might seem expensive. Traditional supply exposes you to volatile market prices, which could be lower than a PPA initially, but can also rise significantly. So, PPAs provide stability at a potentially higher cost, while traditional supply is less predictable but could be cheaper upfront.

How do RECs contribute to my renewable energy goals?

RECs don't directly increase renewable energy production, but by purchasing them, you're supporting the market for renewable energy. This creates financial incentive for producers to build new renewable sources, even if the electricity you receive might still come from a mix. RECs essentially act as a traceable certificate that verifies your commitment to sustainability and helps you offset the environmental impact of your electricity use.

Can renewable energy actually save me money in the long run?

Absolutely! Renewable energy can absolutely save you money in the long run.

While the upfront costs of installing renewable energy systems like solar panels or wind turbines can be high, the fuel is free once the systems are in place.

Over time, the savings on your utility bills from generating your own renewable power can offset and exceed the initial investment costs. Additionally, many governments offer tax credits and incentives for renewable energy adoption, further improving the long-term financial benefits.

References

McKinsey Sustainability –  The net-zero transition: What it would cost, what it could bring

Deloitte2024 renewable energy industry outlook

International Renewable Energy Agency (IRENA) –  Renewable Energy Statistics 2023

Precisions ReportRenewable Energy Consulting Market Research Report on Regional Size and Status 2024-2032

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