TRANSMISSION PLANNING
Utility and Transmission Planning Support
Utilities and transmission owners face mounting pressure to integrate new generation and large loads while maintaining reliability. ZEG provides queue-aware analytics and detailed engineering to support planning, protection, and commissioning.
We provide both consulting services and tools that help you screen opportunities, de-risk your pipelines, and make smarter decisions about planning and asset deployment.
Siting & Sizing
Shortlist POIs and right-size campus capacity from Day One.
Nodal Market Analytics
Location-based price and congestion signals to guide commercial decisions.
Shadow System Impact Studies
Mirror TO/ISO assumptions early to avoid surprises.
Electrical Studies
Load flow, short circuit, grounding, harmonics, TRV/TOV, Volt/Var, CYMCAP.
Technical Due Diligence
Risk register, mitigations, and critical-path planning.
Interconnection Application Support
Queue strategy through energization.
Reliability & Economic Transmission Planning
De-risk long-lead items and capital commitments.
Our approach to solving key challenges utilities and renewable developers face.
Balancing Generation Integration, Load & Reliability
Our protection & stability engineers design settings and plans aligned to utility standards.
Aging Assets & Transmission Constraints
We assess loading, congestion, and asset condition; roadmap upgrades and phased reinforcements using scenario planning.
Environmental Constraints on Siting/Upgrades
REST® maps sensitive corridors; consulting guides engagement, alternatives, and documentation to keep projects moving.
Uncertain Commissioning Timelines & Costs
We build realistic schedules with gating criteria; cost forecasting brackets exposure and raises early warning.
Aligning Complex Stakeholder & Utility Coordination
Our PMO & technical leads align TO/ISO, developers, EPCs; shared data via tools reduces misalignment and rework.
Software services for all your siting needs.
REST® Map-Based Screening Across All ISO/RTOs
Use REST® to monitor congestion and queue dynamics across regions to shape pipeline strategy.
Explore REST®
Sitra™ ERCOT
Run ERCOT site-level feasibility checks to validate assumptions before committing capital.
Explore Sitra™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.