Your grid
is aging.
Your mandate
is now.
We audit substations, model distributed generation, and write the procurement specs that keep your operations compliant — and online — when demand spikes.
Voltage Consulting — Est. 2017
Grid Modernization
Substation audits, protection coordination, load flow analysis for aging T&D infrastructure.
Distributed Energy Strategy
DER siting, BTM solar + storage modeling, microgrid feasibility for industrial campuses.
Regulatory Navigation
NERC CIP compliance, rate case support, FERC interconnection filings that clear ISO review.
Procurement Architecture
RFP development, vendor evaluation, EPC contract structures for capital projects up to $400M.
Substation Audits Completed
Across 14 U.S. balancing authorities
Distributed Generation Modeled
Including 840 MW of utility-scale BESS
Interconnection Studies Filed
100% accepted on first ISO submission
Procurement Value Structured
EPC, LTSA, and PPA contracts combined
The Expert Panel
The Aging Transmission Problem No One Wants to Explain to the Board
Forty percent of the U.S. transmission infrastructure was built before 1980. When a municipal utility in the Ohio Valley failed its NERC reliability audit in Q3 2024, the root cause wasn't a dramatic equipment failure — it was a protection coordination gap that had existed, undocumented, for eleven years. The substation relay settings hadn't been reviewed since a 2013 load transfer study that was never updated after a new industrial feeder was added.
Our audit methodology begins with the protection coordination review that most engineering firms skip because it isn't billable enough to justify the time. We run load flow under N-1 contingency, validate relay coordination across every protection zone, and document every assumption baked into the original design. The findings become the basis for a capital prioritization matrix that speaks the language your CFO already uses.
Key Finding
Average undocumented protection gap found in audited substations
"The relay coordination gap had been invisible for over a decade. Voltage found it in the first site visit — and had a remediation spec written before our board meeting."
Director of T&D Engineering, Midwest Municipal Utility
The costs you haven't found yet are the ones that matter.
Protection Coordination Gaps Cost More Than the Remediation
Every year a protection coordination gap goes unaddressed, your exposure to a misoperation event grows. A single misoperation on a 138 kV bus can trigger a cascade that costs 40× the price of the relay coordination study that would have caught it.
Cost of a misoperation vs. cost of the study that prevents it
ISO Queue Position Is Not Fixed — But Most Developers Treat It That Way
Developers who file incomplete interconnection applications and wait for deficiency notices lose an average of 14 months of queue position. A complete, technically defensible application filed correctly the first time is the single highest-leverage action in any generation project.
Average queue time lost to incomplete first-submission applications
LTSA Degradation Terms Are Written by Battery Vendors. Read Them Like One.
The degradation guarantee language in most LTSA contracts contains performance measurement protocols that favor the vendor. A single parameter — the reference temperature for capacity testing — can shift $3–8M of lifecycle cost from the vendor to the owner without changing a single headline number in the bid tabulation.
Maximum lifecycle cost shift from a single LTSA measurement parameter
We have already solved this
for six other clients.
The question is whether you want to solve it before or after the audit, the ISO rejection, or the board meeting.