Our Services
With over 70 years of combined experience in electric utilities, renewable development, and engineering consulting, our team deeply understands our customers' needs and challenges.
We prioritize timely delivery without compromising quality. Our streamlined processes and dedicated team ensure that we meet your deadlines, helping you achieve your goals promptly and effectively.
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- Siting and Sizing
- Nodal Market Analytics
- Interconnection Application
- Comprehensive Modeling
- SLD, Site Physical Layouts, String Optimization, Energy Yield Estimation
- Technical Due Diligence
- ISO/RTO Registration, Energization, Commissioning
- Shadow System Impact Studies
- Reliability and Economic-based Transmission Planning
- NERC/FERC Compliance
- Electrical Studies
- Engineering Stamping Services
![services siting and sizing](https://zeg-13bc3.kxcdn.com/wp-content/uploads/2024/06/services-siting-and-sizing.jpg)
Siting and Sizing
Identifying optimal locations for energy infrastructure projects considering the regional criteria, power grid and power markets dynamics and determining the appropriate size to maximize performance.
Customers
- Merchant and contracted asset developers (energy storage, wind, solar, hybrid, large loads)
- Independent Power Producers
- Electric Utilities
- State Agencies
![services nodal market analytics](https://zeg-13bc3.kxcdn.com/wp-content/uploads/2024/06/services-nodal-market-analytics.jpg)
Nodal Market Analytics
In-depth analysis of energy market dynamics using our benchmarked proprietary models, offering valuable insights to inform strategic decision making and optimize project development.
Customers
- Merchant and contracted asset developers (energy storage, wind, solar, hybrid, large loads)
- Independent Power Producers
- Electric Utilities
- State Agencies
![services interconnection application](https://zeg-13bc3.kxcdn.com/wp-content/uploads/2024/06/services-interconnection-application.jpg)
Interconnection Application
We guide and support clients through the process of applying for generation and/or large load interconnection, ensuring compliance with applicable requirements while maintaining proven ZEG-level timeliness and quality.
Customers
- Merchant and contracted asset developers (energy storage, wind, solar, hybrid, large loads)
- Independent Power Producers
- Electric Utilities
- State Agencies
![services comprehensive modeling](https://zeg-13bc3.kxcdn.com/wp-content/uploads/2024/06/services-comprehensive-modeling.jpg)
Comprehensive Modeling
Our staff, whether in their graduate level academia, in the industry or prestigious technical forums, have been at the forefront of setting standards, methodologies and procedures for complex modeling and analytics of conventional and emerging technologies including grid following and grid inverters for offshore, onshore, FACTs and GETs assets. We cover model development, tuning and benchmarking for all types of grid-connecting technologies across all software platforms.
Customers
- Merchant and contracted asset developers (energy storage, wind, solar, hybrid, large loads)
- Independent Power Producers
- Electric Utilities
- State Agencies
![services SLD site physical layouts](https://zeg-13bc3.kxcdn.com/wp-content/uploads/2024/06/services-SLD-site-physical-layouts.jpg)
SLD, Site Physical Layouts, String Optimization, Energy Yield Estimation
Generate layouts for proposed solar/BESS projects considering site-specific conditions, such as terrain, shading, electrical design, and available space – estimating the energy yield for each proposed configuration, considering factors such as solar irradiance, tilt angles, and shading analysis, Provide indicative estimates of the Bill of Materials (BOM), Capital Expenditure (CapEx), and Operational Expenditure (OpEx)
Customers
- Merchant and contracted asset developers (energy storage, wind, solar, hybrid, large loads)
- Independent Power Producers
- Electric Utilities
- State Agencies
![services technical due diligence](https://zeg-13bc3.kxcdn.com/wp-content/uploads/2024/06/services-technical-due-diligence.jpg)
Technical Due Diligence
Providing range of technical analyses to support merger and acquisition or ISO/RTO cluster decision points including review of the ISO/RTO system impact, generation deliverability and cluster studies, helper/harmer analyses, conducting shadow system impact studies and cost-allocation assessments.
Customers
- Merchant and contracted asset developers (energy storage, wind, solar, hybrid, large loads)
- Independent Power Producers
- Electric Utilities
- State Agencies
![services ISO RTO registration](https://zeg-13bc3.kxcdn.com/wp-content/uploads/2024/06/services-ISO-RTO-registration.jpg)
ISO/RTO Registration, Energization, commissioning
Review and negotiation of interconnection agreements, performing range electrical studies to support the design and construction, filling out required technical forms and checklist for transmission owners and ISOs/RTOs, design and implement commissioning related tests, data collections and post-commissioning model validation and verifications.
Customers
- Merchant and contracted asset developers (energy storage, wind, solar, hybrid, large loads)
- Independent Power Producers
- Electric Utilities
- State Agencies
![services shadow systems impact studies](https://zeg-13bc3.kxcdn.com/wp-content/uploads/2024/06/services-shadow-systems-impact-studies.jpg)
Shadow System Impact Studies
Conducting shadow system impact studies including load flow, transient stability, and sub-synchronous analysis by mirroring the transmission owner or ISO/RTO study assumptions and methodology.
Customers
- Merchant and contracted asset developers (energy storage, wind, solar, hybrid, large loads)
- Independent Power Producers
- Electric Utilities
- State Agencies
![services transmission planning](https://zeg-13bc3.kxcdn.com/wp-content/uploads/2024/06/services-transmission-planning.jpg)
Reliability and Economic-based Transmission Planning
Performing transmission planning analyses, accounting for applicable regional criteria and methodology, to identify the likelihood and potential solutions for mitigating grid reliability issues or congested flow gates.
Customers
- Merchant and contracted asset developers (energy storage, wind, solar, hybrid, large loads)
- Independent Power Producers
- Electric Utilities
- State Agencies
![services NERC FERC compliance](https://zeg-13bc3.kxcdn.com/wp-content/uploads/2024/06/services-NERC-FERC-compliance.jpg)
NERC/FERC Compliance
Technical analyses in support of compliance with various NERC and FERC standards including MOD 25/26/27/32, PRC 005, PRC 019, PRC 024, PRC 025, VAR 002, FAC 002, FAC 008
Customers
- Merchant and contracted asset developers (energy storage, wind, solar, hybrid, large loads)
- Independent Power Producers
- Electric Utilities
- State Agencies
![services electrical studies](https://zeg-13bc3.kxcdn.com/wp-content/uploads/2024/06/services-electrical-studies.jpg)
Electrical Studies
Reactive Power Study, grid-islanding analysis, energization assessment, harmonic analysis, transient recovery voltage (TRV), Transient Over-Voltage (TOV), Arc-flash studies, Volt/Var optimization,
Customers
- Merchant and contracted asset developers (energy storage, wind, solar, hybrid, large loads)
- Independent Power Producers
- Electric Utilities
- State Agencies
![services engineering stamping services](https://zeg-13bc3.kxcdn.com/wp-content/uploads/2024/06/services-engineering-stamping-services.jpg)
Engineering Stamping Services
Providing certified professional engineering (PE) stamps across multiple states, ensuring compliance with state-specific regulations and facilitating project approval processes. Our services cover documentation review and approval to maintain accuracy and completeness, ensuring all engineering designs and documents meet necessary standards and criteria.
Customers
- Merchant and contracted asset developers (energy storage, wind, solar, hybrid, large loads)
- Independent Power Producers
- Electric Utilities
- State Agencies
SaaS Solution
REST™ offers a comprehensive solution, covering critical aspects such as grid data precision, anticipated transmission capacity, and streamlined interconnection processes.
Renewable Energy and Energy Storage Siting Tool (REST™)
Available as both a Software as a Service (SaaS) and consulting offering.