Grid Interconnection Solutions That Move Projects Forward.
From first screen to energization, ZEG combines purpose-built software with engineering services to reduce uncertainty and accelerate decisions.
Powerful grid interconnection solutions streamline renewable energy development.
With complex grid dynamics, evolving regulations, and rising energy demand, the challenges of renewable energy development are ever-present. ZEG offers two advanced, data-driven solutions—REST® and Sitra™ for ERCOT—that help developers, utilities, and large-load stakeholders streamline site selection, enhance grid planning, and support interconnection decisions.
Whether you explore by use case (e.g., Data Center siting) or by workflow (e.g., Grid Due Diligence), our solutions simplify decision-making, reduce risk, and enable seamless integration of renewable energy into the grid.
Explore by User: Different stakeholders need different entry points to the grid.
Whether you’re siting data centers, advancing renewable development, underwriting investments, or managing utility planning, ZEG provides tailored grid interconnection solutions to evaluate opportunities, reduce risk, and move projects from concept to commissioning with confidence.
Explore by Workflow: Navigating renewable energy development requires clear signals at every stage.
ZEG's workflow-driven solutions help developers, investors, and utilities act with confidence: screen and compare locations, quantify grid feasibility, model multi-scenario constraints, and manage queue strategy all the way to energization.
Multi-Scenario Analysis
Multi-Scenario Analysis
Interconnection Queue Insights
Interconnection Queue Insights
REST®: Prospect smarter. Move faster.
For developers looking to analyze a large region and determine where to build their next project. With curated grid layers, POI prospecting, exports, and a flexible dashboard, REST® allows you to track queue projects and upgrades with routine refreshes, using on-demand network models and ISO/RTO-specific methods.
Understand available capacity and infrastructure at interconnection points.
Optimize site prospecting and identify high-potential POI’s fast with actionable grid layers and constraints, to make informed siting decisions before committing to land or grid interconnection requests.
Identify grid constraints that could impact project feasibility.
Stay ahead of planned upgrades and transmission changes.
Sitra™ for ERCOT: Rapid, Transparent Grid Analysis 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, different grid conditions, regulatory changes, and future constraints.
Explore constraints, headroom and upgrade cost drivers to understand how your project interacts with existing grid infrastructure.
Assess the impact of congestion, grid upgrades, and interconnection costs.
Designed to match ISO/RTO transmission, generation, and large-load interconnection planning processes
FAQ's
Since 2022, ZEG has been dedicated to advancing the future of power grid interconnection. We provide tailored consulting services to developers, asset owners, operators, independent power producers, and other key stakeholders, with a focus on building a sustainable, renewable energy grid.
Our team consists of industry veterans with over 70 years of collective experience in power grid consulting, electric utilities, and renewable development. This diverse expertise enables us to deeply understand the unique challenges of our clients and support their decarbonization goals effectively.
ZEG works with a wide range of clients, including developers, asset owners, operators, independent power producers, and other stakeholders in the energy sector. We collaborate closely with both industry leaders and forward-thinking customers committed to driving a sustainable, zero-emission power grid.
At ZEG, we believe that collaboration is key to overcoming the inertia of the industry. We partner with stakeholders to drive a zero-emission, reliable power grid. Our approach is rooted in agility, creativity, and innovation, which are the principles that inspire our mission and services.
Our team brings extensive knowledge and expertise to help our clients achieve their decarbonization goals. We provide customized solutions, strategic advisory services, and innovative tools to support the transition to a renewable, sustainable energy grid. Through our services, we help clients navigate the complexities of the power grid interconnection process.
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.