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Renewable Solutions Expertise

A Sustainable Solution for the Future

Complete Designs for Your Renewable Solution

The advancements in renewable energy technology and its business applications have been remarkable and continue to progress. With renewable energy becoming more accessible and profitable, companies are increasingly recognizing its value and impact, leading to a surge in adoption across various sectors.

Renewable energy has firmly established itself as a cornerstone of the energy landscape. Worldwide, communities and organizations are driven by ambitious goals to reduce or neutralize their carbon footprint, with a strong focus on renewable energy resources. Whether it’s a solar module, wind turbine, or battery, NEI offers tailored project designs for seamless integration, ensuring a comprehensive solution from inception to completion.

In this era of evolving energy dynamics, adherence to strict schedules and effective management of automation and control reporting are paramount. Proper networking of essential power systems with cutting-edge automation controls requires a deep understanding of electrical and control system engineering principles, coupled with hands-on experience. At NEI, we simplify the process by providing critical real-time reporting, ensuring stakeholders receive timely information when needed.

Our Approach


We are equipped to meet the challenging time and cost constraints inherent to many renewable energy projects, all while delivering high-quality designs. From concept through design and implementation, our solutions are developed with ease of constructability in mind, recognizing the importance of consistent design for long-term maintenance and operations.


We bring custom ideas and solutions to the table and can support them from concept through design, construction, and implementation. Our industry experience and ingenuity allow us to be responsive and flexible in adapting to changing requirements.


Since the early 1980s, NEI has been at the forefront of designing and field commissioning renewable energy solutions. As the momentum behind renewables continues to grow, we boast industry-leading teams that provide comprehensive support, from conceptual development to detailed design implementation. This ensures a reduction in budget and schedule uncertainties, reinforcing our position as industry pioneers.


In today’s solar landscape, providers are tasked with achieving more with fewer resources. In the face of stringent budget constraints and rigorous oversight, NEI acknowledges the ever-evolving nature of the solar power sector. When collaborating with our clients on solar design and electrical power distribution projects, we bring extensive experience and deep insights to each endeavor. Our expertise spans a wide range of areas, from interconnection and relay design to substation design and commissioning, ensuring the requisite experience and commitment for a successful solar project.

As the solar industry continues its rapid growth, competition intensifies. With an influx of providers entering the market, the paramount goal is to deliver projects that are not only completed on time and within budget but also executed in a manner that prioritizes safety and long-term sustainability. Drawing upon decades of experience in solar power generation and distribution, NEI offers a unique perspective on the planning and commissioning of solar projects, helping our clients thrive in this competitive landscape.

  • Equipment Selection
  • Energy Modeling
  • DC Collection
  • AC/MV Collection
  • System Studies

From the initial site planning through the final engineering design and construction, our team members provide customized site solutions and optimized civil designs to meet project and schedule demands. Our multi-disciplinary approach and rang of experience across the U.S. set allow us to undertake complex projects and streamline project delivery.

  • Grading & Drainage Plans
  • Erosion & Sedimentation Control Plans
  • Constraints Mapping
  • Steel Vs. Earthwork Optimization
  • Hydrology & Hydraulics Studies
  • Stormwater Pollution Prevention Plans
  • Federal, State, and Local Permitting Support
  • Pile Plot Plans 
  • SPCC Plans
  • Civil Subconsultant Management
  • Topographic & Boundary Surveys 
  • Geotechnical Studies
  • Environmental Studies

Battery Energy Storage System (BESS)

The availability of renewable energy isn’t always constant, but the demand for uninterrupted power persists – energy storage assets serve to bridge this gap. 

NEI has extensive experience in the rapidly evolving renewable energy sector. As the sole point of contact for our clients, the NEI team takes a comprehensive design approach that covers detailed design, commissioning, and startup – including the design and integration of SCADA and power plant controllers (PPC). This approach streamlines project delivery, resulting in a seamless and optimized solution. With expertise in both AC and DC coupled designs, our experts customize solutions for each project.


Planning, designing, and commissioning small-to-large scale wind projects requires foresight, experience, and precise planning. When partnering with NEI for wind development projects, you gain access to a team of experienced engineers who can assist with preliminary research, feasibility studies, and the integration of SCADA and high voltage infrastructure. Our multi-disciplinary team’s in-depth knowledge of utility and developer standards ensures the successful completion of wind farms that meet all project needs.

Wind Repowering

Wind repowering involves modernizing existing wind power plants to maximize energy efficiencies and production. By updating sites with new or refurbished technology, wind turbines can increase energy output and lead to cost savings using existing grid connections and infrastructure. NEI’s experience working with utility and developer standards ensures high production and efficiencies for any wind repower project, helping clients evaluate the right elements for optimal results.

Electrical and Civil Engineering Design
  • Transmission Line  
  • Substation 
  • MV Collection
  • Point of Interconnection (POI) 
  • MV Collection 
  • Protective Relaying
Monitoring and Control Systems
  • Detailed Protection Design & Programming
  • Metering, Control Design, & Programming
  • Comprehensive SCADA System Interfacing with Local Devices
  • Wind Farm Controller, HMI, and POI Utility

Every day a project remains offline represents a day without revenue. Battery energy storage projects must move swiftly to achieve profitability as soon as possible. Our multidisciplinary team of experts has assisted clients in delivering renewable power to the grid. With the accelerated growth of renewable generation and energy storage, the future looks promising.


Numerous communities rely on local hydroelectric plants for clean, dependable power. The demand for cleaner energy sources, coupled with increasing pressures on existing facilities, is at an all-time high and shows no signs of slowing down. Since the early 1980s, NEI has been a steadfast supporter of the hydro community, offering services encompassing design, planning, commissioning, and retrofitting of hydro facilities. We implement SCADA and distributed control system (DCS) solutions from the outset, ensuring that your comprehensive solution is primed when it’s time to energize.

Hydroelectric power stands as one of the oldest and most dependable power sources, and we possess a rich history of working on retrofit programs for aging hydro and pumped storage facilities. The upgrade and commissioning of older hydroelectric plants demand a deep understanding of legacy infrastructure and practices, along with a creative approach to retrofitting and power distribution. NEI has collaborated with hydroelectric partners worldwide, modernizing their facilities and bringing safe, reliable power to new, state-of-the-art hydroelectric plants.

Featured Tech Paper

Renewable Energy and Energy Storage Systems in Rural Electrical Power Systems: Issues, Challenges and Application Guidelines

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