Overview

System Assessments for Development
Timmons Group supports interconnection and transmission planning needs across all generation resource technologies for customers including public owned utilities, municipalities and coops, independent power producers, energy development companies, and engineering design firms. As part of our system planning services, Timmons Group employees are experienced in all phases of transmission, distribution, and generation planning, providing value to involved stakeholders.

Timmons Group assists with all phases of the interconnection process to take projects from concept to reality. From locating the most economical and effective site to inject power to assisting with the Interconnection Agreement negotiations and technical support. Timmons Group offers services needed for both generation and transmission projects.

Our staff has extensive experience with planning groups from coast to coast at the Regional, Sub-regional, and local levels. They are well versed in Open Access Transmission Tariff’s for utilities throughout the country enabling our clients to efficiently move their development projects to operating assets.

Power System Planning and Analysis and System Operations
Timmons Group works with Investor Owned Utilities, Electric Membership Cooperatives, Municipal Utilities, Merchant Generation Developers, and EPC Contractors. Our team has conducted numerous studies and client engagements regarding electrical system studies and NERC compliance.

Timmons Group’s experience extends to generation impact assessments on transmission systems throughout the country, and the team has interfaced with most of the Regional Transmission Organizations (RTOs) and NERC Regions. We support our clients through the preparation of generation interconnection documentation and reviews of Transmission Providers’ studies to facilitate a beneficial result for the Project. In addition, our support extends to include power supply contracts, transmission contracts, scheduling, operations, transmission billings, regulatory issues, facility planning & siting, and NERC Audit preparation.

System Planning Services
• Pre-Feasibility Analysis / Preliminary System Impact Studies
• Interconnection Application Preparation
• Interconnection Technical Representation
• GIA Negotiations
• NERC Studies
• Steady State Analysis
• Stability Analysis (subcontract)
• Plant Dynamic Modeling (subcontract)
• Site Selection
• Project Purchase Due Diligence and Review
• Staff Augmentation
• O.A.T.T. Compliance
• Turbine Layout
• Generation Facility Layout and Configuration
• Line Routing and Corridor Studies
• GIS Mapping