Hi-Line Engineering Downloads & Bookstore
We also offer full size copies of the latest editions of the 12.47 kV, the 25 kV, and the underground construction specification books, in addition to our “mini spec books”. The prices for the full size 12 kV and 25 kV copies are $23.00, and the Underground Spec Books (full size and “mini”) are $11.00. The prices for the “mini” 12 kV and 25 kV spec books are $13.00 plus applicable shipping for each copy, regardless of type.
Calculation Reference Tables
Calculator Workshops
2023 NESC Clearance Charts
RUS Specs & Drawings
Hi-Line Engineering Bookstore
Performing efficient upgrades while ensuring coordination among market participants, RTOs, and FERC is a tall order
Achieving those goals while balancing electricity across the grid requires experienced engineering and analytical talent. The GDS team collaborates with utilities to develop enhancements that are beneficial and essential to the reliability of transmission systems. The goal in every engagement is to ensure reliable, secure power transmission while minimizing initial costs and ensuring regulatory compliance.
Provide reliable, secure power in an increasingly complex transmission landscape
Clear every regulatory hurdle
Secure all IT and OT systems
Avoid penalties for noncompliance
Get a seat at the table for RTO & regional transmission development
Plan for robust and modern transmission systems
Navigate all RTO and FERC open access transmission issues