From Planning to Power
Grid interconnection and power systems engineering experts providing electrical design, modeling, compliance, and software solutions for utilities, developers, energy storage, and large load projects.
LIVE DEMO
Live Demo: REST® for Grid Interconnection & Site Selection Analysis
Join us for a free live demo of REST® 2.0, Zero-Emission Grid’s platform for scouting sites for generation and large load projects – all within a single workflow.
Wednesday | June 10th | 12:00 PM CST
INTERCONNECTION EXPERTS
Where Expertise Meets Ambition.
At ZEG, we understand the challenges interconnection developers and investors face—navigating a complex, backlogged queue, managing regulatory uncertainty, and mitigating grid congestion risks that can derail timelines and drive-up costs.
Our team of transmission interconnection experts is dedicated to cutting through these barriers, providing solutions needed to accelerate clean energy projects.
CONSULTING SERVICES
Our services cover all phases of interconnection, from site selection to due diligence.
Our commitment is unwavering – we strive to be the absolute best in delivering our core services and products.
- Siting and Sizing
- NERC/FERC Compliance
- Nodal Market Analytics
- Interconnection Application
- Comprehensive Modeling
- Shadow System Impact Studies
- Electrical Studies
- Technical Due Diligence
- Engineering Stamping Services
- Reliability and Economic-Based Transmission Planning
- ISO/RTO Registration, Energization, Commissioning
- Detailed Design Packages
- Energy Yield & Performance Modeling
- Hardware-in-the-loop Testing Services
- SLD, Site Physical Layouts, String Optimization, Energy Yield Estimation
70k
350+
80%
HOW REST® WORKS:
REST®: Prospect smarter. Move faster.
For developers looking to analyze a large region and determine where to build their next project. Curated grid layers, POI prospecting, exports, and a flexible dashboard—kept current with quarterly updates.
- Optimize site Prospecting and identify high-potential POI's fast with actionable grid layers and constraints.
- Utilize REST's® customizable dashboard for a personalized experience.
- Track queue projects and upgrades with routine refreshes.
- On-demand network models using ISO/RTO-specific methods.
HOW SITRA™ WORKS:
Sitra™ for ERCOT: Rapid, Transparent Grid Analysis
For developers, investors, and buyers analyzing pre-selected sites across the ERCOT Market for feasibility and risk. Assess interconnection risk fast. ISO/RTO-specific methods, unlimited scenarios, and pay-as-you-click.
- Evaluate Countless Scenarios.
- Explore constraints, headroom and upgrade cost drivers.
- Transparent and On-Demand.
- Traceable methods - no black box data.
- Pay-as-you-click.
FAQ's
ZEG is a team of transmission interconnection experts dedicated to accelerating the clean energy transition. We provide advanced siting and interconnection solutions that help developers and investors navigate grid complexities, reduce risk, and optimize project success.
We support renewable energy developers, storage providers, utilities, policymakers, and investors working in grid interconnection, project siting, and feasibility analysis across all major ISO/RTO regions.
ZEG streamlines interconnection processes, enabling faster deployment of clean energy projects. Our solutions help developers overcome grid bottlenecks, optimize site selection, and de-risk interconnection, ultimately facilitating the transition to a zero-emission power grid.
We provide two key software solutions:
- REST™ (Rapid Energy Siting Tool) – Helps developers identify optimal project locations based on grid congestion, infrastructure availability, and interconnection feasibility.
- Sitra™ – Enables in-depth feasibility testing and risk analysis for pre-selected sites, ensuring a smoother and more cost-effective interconnection process.
Unlike traditional consulting firms, ZEG combines deep industry expertise with cutting-edge technology, offering real-time data insights and scenario modeling to streamline decision-making for interconnection and site selection.
Yes, ZEG operates across all major North American ISOs/RTOs, including CAISO, ERCOT, ISONE, MISO, PJM, SPP, WECC, and SERC, covering 80% of the U.S. power grid.