Company lists · Data refreshed November 2026

Top 25 Grid interconnection consultants worldwide

RevenueBase identified 1,232 company matches for grid interconnection consultants worldwide as of November 2026 and tracks 24,871 professional contacts across them, including 9,028 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for grid interconnection consultants worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 2026. Country and city lists for grid interconnection consultants follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
1,232Companies
24,871Contacts tracked
9,028Verified emails
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The 25 largest grid interconnection consultants worldwide

Ranked by team size
Top 25 of 1,232 company matches for grid interconnection consultants worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchBayreuth, GermanyHQ recorded Nov 6, 20265,001-10,0002,697 contacts →

Exact match

“TenneT is a leading European grid operator.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchNanterre, FranceHQ recorded Nov 6, 20265,001-10,0002,108 contacts →

Exact match

“With today's global energy sector undergoing constant change, Omexom works with its clients in delivering on the promises of the energy transition.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchAustin, TX, United StatesHQ recorded Nov 6, 2026501-1,000716 contacts →

Exact match

“Electric Power Engineers (EPE) is a global advisory and engineering firm advancing grid reliability, resilience, flexibility, and affordability.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchAmersfoort, NetherlandsHQ recorded Nov 6, 2026501-1,000457 contacts →

Exact match

“Energie Data Services Nederland (EDSN) werkt samen met de regionale netbeheerders, TenneT en GTS aan de centrale marktfacilitering voor de energiesector.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchJackson, TX, United StatesHQ recorded Nov 6, 2026201-500357 contacts →

Exact match

“We provide expert engineering and consulting services that enable a more reliable and resilient power system.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchRome, ItalyHQ recorded Nov 6, 2026501-1,000332 contacts →

Exact match

“CEBAT SpA is a leader in utility networks’ development and services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchWillow Grove, MA, United StatesHQ recorded Nov 6, 20261,001-5,000305 contacts →

Exact match

“Asplundh Engineering Services leverages more than 100 years of experience to provide a superior, single-point solution for engineering, design and testing services to…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchKirkland, United StatesHQ recorded Nov 6, 2026201-500284 contacts →

Exact match

“We provide global renewable energy consulting services, focused on empowering clients to navigate the complexities of the energy transition.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchRenton, WA, United StatesHQ recorded Nov 6, 2026201-500275 contacts →

Exact match

“Mosaic is a consulting firm that delivers custom solutions across the energy, utility, grid operations, and grid modernization space.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchChennai, IndiaHQ recorded Nov 6, 202651-200204 contacts →

Exact match

“Power projects is a specialized Electrical Engineering and Power System Consultancy firm delivering solutions for Grid Code Compliance, BESS, Renewable Energy, Power Plants, and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchOakland, TX, United StatesHQ recorded Nov 6, 2026201-500191 contacts →

Exact match

“Revamp is the premier engineering firm for large-scale renewable energy projects.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchSouth Brisbane, AustraliaHQ recorded Nov 6, 202651-200186 contacts →

Exact match

“Providing HV Grid Connection, Engineering and Commissioning Services in the Renewable Energy sector.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchSingaporeHQ recorded Nov 6, 2026201-500183 contacts →

Exact match

“Sunkonnect is a leading energy transition and renewable energy consulting company delivering end-to-end engineering, quality assurance, project management consultancy, and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchManchester, United KingdomHQ recorded Nov 6, 202651-200170 contacts →

Exact match

“TNEI is an independent specialist energy consultancy providing technical, strategic, environmental and consenting advice to organisations operating within the conventional and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchLake Mary, FL, United StatesHQ recorded Nov 6, 20261,001-5,000157 contacts →

Exact match

“Qualus is a leading pure-play power services firm and innovator at the forefront of the energy transition and transformation, with differentiated capabilities across grid…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchAnkara, TürkiyeHQ recorded Nov 6, 202651-200156 contacts →

Exact match

“We as MRC Türkiye provide engineering and advisory services within all aspects of Energy and Utility business (Distribution, Transmission, Generation and Energy Markets) and over…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchChennai, IndiaHQ recorded Nov 6, 202651-200151 contacts →

Exact match

“We are an ISO 9001:2008 SPK Power Infra private limited the service division of SPK was established with a view to serve vast engineering services in the power generation…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchAhmedabad, IndiaHQ recorded Nov 6, 2026201-500130 contacts →

Exact match

“Advait Energy Transitions Limited (previously known as Advait Infratech) is an NSE & BSE listed energy infrastructure and transition company, delivering transmission, renewable…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchBristol, United KingdomHQ recorded Nov 6, 202651-200129 contacts →

Exact match

“Powered by People.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchHallowell, ME, United StatesHQ recorded Nov 6, 202651-200123 contacts →

Exact match

“Ingenuity, Integrity, and Passion.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchDurham, NC, United StatesHQ recorded Nov 6, 202651-200112 contacts →

Exact match

“Smart Wires helps utilities and transmission operators solve urgent grid reliability and capacity challenges by getting more from the infrastructure they already have.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchBrussels, BelgiumHQ recorded Nov 6, 202651-200110 contacts →

Exact match

“Elia Grid International (EGI) is a global engineering consultancy company specialised in complex power system challenges.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchBromsgrove, United KingdomHQ recorded Nov 6, 202651-200110 contacts →

Exact match

“Rock Power Connections are experts in electrical connections with a proven track record of quality and safety.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchCourbevoie, FranceHQ recorded Nov 6, 202651-200107 contacts →

Exact match

“RTE international is a consultancy and engineering company whose activities cover all areas of electricity transmission.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchHuntington Beach, CA, United StatesHQ recorded Nov 6, 202651-200105 contacts →

Exact match

“TS Conductor is modernizing the power grid with next generation advanced conductors that provide more capacity while reducing total project costs.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 1,232 grid interconnection consultants worldwide

See the full list, filter by size, metro and specialty, and access 9,028 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Grid interconnection consultants worldwide at a glance

As of Nov 6, 2026
36.3%Verified-email coverage
20.2Average contacts per company
1-10Median size (employees)
1.5%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
711
11-50
347
51-200
115
201-500
25
501-1,000
7
1,001-5,000
17
5,001-10,000
4
10001+
2

Email recency is reported on each country list linked below.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
Coverage
Every country. Country and city lists for grid interconnection consultants are linked below.
What qualifies
Company records worldwide whose business descriptions match “grid interconnection consultants” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every displayed company carries at least one verified work email. RevenueBase tracks 9,028 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on November 6, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Grid interconnection consultants by location

9 lists · largest first

Every Grid interconnection consultants list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “grid interconnection consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many grid interconnection consultants are there worldwide?

RevenueBase identified 1,232 company matches for grid interconnection consultants worldwide as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Tennet Germany tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most grid interconnection consultants?

The United States leads with 253 companies, followed by the United Kingdom (141) and Australia (67). Every grid interconnection consultants list by country and city is linked on this page.

Which city has the most grid interconnection consultants?

London leads with 18 company records, followed by Melbourne (12) and Houston (9).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 9,028 professional contacts with verified work emails tracked across these 1,232 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.