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NAICS Code· 221121

NAICS 221121: Electric Bulk Power Transmission and Control

This U.S. industry comprises establishments primarily engaged in operating electric power transmission systems and/or controlling (i.e., regulating voltages) the transmission of electricity from the generating source to distribution centers or other electric utilities. The transmission system includes lines and transformer stations. Cross-References. Establishments primarily engaged in--Show more

NAICS 221121 – Electric Bulk Power Transmission and Control covers the design, construction, maintenance, and operation of high-voltage electric transmission systems that transport bulk electricity from generating stations to distribution networks. This includes substations, transformers, circuit breakers, protective relays, SCADA systems, and grid control centers that enable real-time monitoring, load balancing, and grid stability.

4
Active Contracts
$19.3M
Total Obligations (12mo)
37
Awarded Contracts (12mo)
17
Contractors Awarded (12mo)
1
Median Bidders per Award
-30.4%
YoY Growth
Dotted
NAICS 221121 FAQ

Frequently Asked Questions

NAICS code 221121 covers Electric Bulk Power Transmission and Control. This U.S. industry comprises establishments primarily engaged in operating electric power transmission systems and/or controlling (i.e., regulating voltages) the transmission of electricity from the generating source to distribution centers or other electric utilities. The transmission system includes lines and transformer stations. Cross-References. Establishments primarily engaged in--

Recently Posted in Electric Bulk Power Transmission and Control

NAICS: 221121
New
Federal
Naval Station Rota Electricity Service
Solicitation # N33191_27_ROTA_ELECTRIC
The United States Navy, through Naval Facilities Engineering Systems Command Europe, Africa, Central, is conducting market research via a sources-sought Request for Information to identify a retail electricity supplier for Naval Station Rota, Spain. The primary objective is to secure continuous grid-provided electric service for a performance period spanning from May 2027 to April 2029, with potential structured supply contracts extending from May 2029 onwards. The Navy aims to optimize costs and manage risk for its large-scale, high-voltage consumption needs while ensuring budget stability and energy resilience. The agency is seeking industry feedback on various pricing and risk management strategies, including traditional Firm Fixed Price contracts and more innovative models such as hybrid Power Purchase Agreements, battery energy storage systems, multi-click dynamic pricing, and updated collective self-consumption structures. Specifically, the Navy is interested in hedging mechanisms related to Tariff 6.2TD and the integration of localized or on-site generation. Responses are requested by October 28, 2026, to inform a future solicitation for these services under NAICS code 221121.
Navfacsyscom Europe Africa Central

POSTED

6 days ago

DEADLINE

in 13 days
View Details
NAICS: 221121
Closed
SLED
146868 480V CIRCUIT BREAKER-RMAX LK16
Solicitation # 232239
The Los Angeles Department of Water and Power is seeking bids for solicitation number 232239 regarding 480V Circuit Breaker-RMAX LK16. This opportunity is categorized under NAICS code 221121 and will be performed in Los Angeles, California. Interested parties should direct inquiries to the point of contact, Jeffrey A. Cruz. The solicitation was posted on October 2, 2026, with a response deadline of October 14, 2026, at 9:00 PM. All bids must be submitted electronically through the Electronic Request Solic Procure system, as hard copy or mail-in submissions will not be accepted. Detailed submittal requirements are available within the bid documentation.
Water & Power

POSTED

13 days ago

CLOSED

about 3 hours ago
View Details
NAICS: 221121
Closed
DIBBS
Supply of Electrical Bulkhead Connectors (NSN 5935-01-693-9265)This subcontract involves the supply of 39 electrical bulkhead connectors, identified by NSN 5935-01-693-9265, for prime contractors under DLA Land and Maritime supply contracts. The manufacturer is required to source or produce these components in accordance with TDP Rev A Gen 1, specifically adhering to reference drawings 96169 EB4211/16, 53711 ERH415-8121E18, and 53711 ERH415-8121E91. All packaging and marking must comply with MIL-STD-2073-1E and MIL-STD-129 standards. The opportunity is issued by the Department of Defense Active Devices Division and is designated as a Total Small Business Set-Aside under FAR 19.5. Performance will take place in New Cumberland, Pennsylvania. The solicitation was posted on September 13, 2026, with a response deadline of September 24, 2026.
ACTIVE DEVICES DIVISION

POSTED

about 1 month ago

CLOSED

20 days ago
View Details
NAICS: 221121
SLED
RFP NERC Transmission Operator (TOP) Services
Solicitation # 79841503
The City of Alexandria, Louisiana, is soliciting bids for NERC Transmission Operator (TOP) Services under solicitation number 79841503. This opportunity is open to qualified providers capable of delivering specialized transmission operator services to support the city's infrastructure and regulatory requirements. Interested parties must submit their responses by the deadline of October 19, 2026. All inquiries and submissions should be directed to the City of Alexandria purchasing department, with the performance of services taking place within Alexandria, Louisiana.
City of Alexandria

POSTED

about 1 month ago

DEADLINE

in 4 days
View Details
NAICS: 221121
Closed
SLED
Cleveland Public Power RFI for Utility Scale BESS Frequency Regulation
Solicitation # Community Owned Renewable Energy BESS
Cleveland Public Power, the largest municipally owned utility in Ohio, is seeking information for the deployment of utility scale Battery Energy Storage Systems for frequency regulation. The utility currently serves over 74,000 customers with a peak system demand exceeding 300 megawatts and operates four transmission interconnections with the PJM market. The project focuses on evaluating BESS deployment at specific locations, including one 138kV transmission site and several 138kV to 13.8kV distribution substations. This solicitation, titled Community Owned Renewable Energy BESS, was posted on August 28, 2026, with a response deadline of September 18, 2026. Managed by the Public Utilities agency in Ohio, the procurement process is coordinated by Alicia Moyers and Charlie Rosol. Interested parties can find further details and submission guidelines through the official OpenGov procurement portal.
Public Utilities

POSTED

about 2 months ago

CLOSED

26 days ago
View Details
NAICS: 221121
Closed
SLED
ITQ#165825VT Replacement of Line #1 Lucy to McMinn
Solicitation # ITQ#165825VT
The City of Homestead Electric Department is seeking a contractor for ITQ#165825VT to replace the existing ABB line protection packages on Line #1 with standardized Schweitzer Engineering Laboratories digital relays. This project is part of a broader system modernization strategy to standardize the protective relaying fleet across high-voltage substations and transmission lines to improve maintenance workflows and fault isolation. The work involves executing relay cutovers and field commissioning within a live 138kV substation environment, requiring strict adherence to pre-scheduled transmission outage windows and coordination with System Operations. Responses for this solicitation are due by August 27, 2026, and the project is managed by the Superintendent of Substations and System Protection in Homestead, Florida.
HPS Energy | Electric Services

POSTED

about 2 months ago

CLOSED

about 2 months ago
View Details
NAICS: 221121
Closed
SLED
Request for Proposals for Outage Management System - Generation & Transmission
Solicitation # RFP 430-13390
Grant County PUD has issued Request for Proposals RFP 430-13390 for an Outage Management System tailored to Generation & Transmission operations, with an estimated contract value of $1,420,000. The solicitation is open for bidding with a clarification deadline of August 19, 2026, and proposals must be submitted by September 3, 2026. The contract is being procured through an offline process under a proposal bid type, with no prequalification required and no set aside designation. The NAICS code 221121 indicates the scope relates to electric power generation, transmission, and distribution. Primary contact for technical inquiries is Cathy Snyder, Engineer, with Sara Benedict, Procurement Officer, available for procurement-related matters. All bids must be submitted through the designated procurement platform, and interested parties must log in to access bid details, ask questions, and register for the event. The place of performance is in Washington State, and the system is expected to support critical grid operations for the utility.
Grant County PUD

POSTED

2 months ago

CLOSED

about 1 month ago
View Details
NAICS: 221121
Awarded
DIBBS
POWER DISTRIBUTION
Solicitation # SPE7L7-26-P-2950
The Defense Logistics Agency awarded contract SPE7L726P2950 to Energy Technologies Inc on August 5, 2026, for the procurement of one Power Distribution unit (NSN 6130-01-526-9079). This small business set-aside award is a firm-fixed-price order totaling $21,507.75. The delivery is scheduled for July 29, 2027, with a delivery timeline of 358 days after the date of award. The items are to be shipped FOB Origin to the USS Nimitz CVN 68, FPO AE 09523. The contract mandates strict adherence to military standards for packaging, marking, and preservation, specifically MIL-STD-2073-1E for packaging, MIL-STD-129 for shipment marking, and MIL-STD-130 for unique item identification using Data Matrix barcodes. Inspection and acceptance will occur at the destination, with the Government retaining final authority. Payment will be processed electronically through the Wide Area WorkFlow system via the Defense Finance and Accounting Service in Columbus, Ohio. The award was made on a best-value trade-off basis, considering price, delivery, and past performance, and is subject to the Defense Priorities and Allocations System for national defense acceleration.
Defense Logistics Agency

POSTED

2 months ago

DEADLINE

N/A
View Details
NAICS: 221121
Closed
SLED
MBTA Wholesale Electricity, Request for Qualifications (RFQ) 33A-26
Solicitation # BD-26-1206-40000-40000-125593
The Massachusetts Bay Transportation Authority (MBTA) has issued Request for Qualifications (RFQ) 33A-26, solicitation number BD-26-1206-40000-40000-125593, to procure wholesale electricity supply services. Posted on July 31, 2026, with a response deadline of August 19, 2026, this solicitation seeks qualified providers capable of delivering electricity as a commodity. The procurement is managed by the Procurement and Logistics department in Boston, Massachusetts, and is categorized under NAICS code 221121. Award decisions are based on a pass/fail evaluation of four primary factors: legal history and regulatory compliance, financial strength, credit strength, and active participation in ISO New England markets. Qualified respondents must submit a comprehensive proposal via the COMMBUYS portal, including a Pre-Award Bidder Evaluation Data Form, an Electricity Load Profile Price Form, and signed Standard Terms and Conditions. The resulting contract will be governed by MBTA Standard Terms and Conditions, requiring strict adherence to Massachusetts General Laws and Commonwealth security standards, including the encryption of personal data and PCI compliance. Financial obligations include a 45-day payment cycle via Electronic Funds Transfer. While the contract is structured as a potential multi-award agreement with future transaction confirmations, the MBTA retains the right to audit records and enforce strict reporting requirements regarding bankruptcy, litigation, and solvency risks.
400000 - Procurement & Logistics

POSTED

3 months ago

CLOSED

about 2 months ago
View Details
NAICS: 221121
Closed
Federal
CONTROLLER TYPE 1000 INTERMITT
Solicitation # 70Z08026QDL033
The United States Coast Guard Surface Forces Logistics Center is seeking quotations for 20 units of Controller Type 1000 Intermitt, identified by NSN 6110994744820 and manufacturer part number 1000-115-110-1 from B. Hepworth & Co Ltd. Delivery must be F.O.B. destination to their facility at 2401 Hawkins Point Road, Baltimore MD 21226, with a required delivery date no later than August 30, 2026. This is a combined synopsis and solicitation issued under FAR Subpart 12.6 using simplified acquisition procedures, with NAICS code 221121 and a small business size standard of 750 employees. All interested parties must be registered in SAM, possess a valid DUNS number, and submit their quote via email to Nina.m.crosby@uscg.mil by the deadline of July 23, 2026, at 9:00 AM Eastern Standard Time. Offerors are required to complete and include FAR 52.212-3 with their submission and comply with applicable clauses covering procurement regulations including the Buy American Act, Equal Opportunity, Child Labor, and prohibition of segregated facilities. A disclosure regarding corporate status under HSAR 3009.104-70 through 3009.104-73 must be selected and, if applicable, a waiver request or approval must be attached. The contract also incorporates CGAP 3042.302-90 for valuation of spare parts and requires payment via electronic funds transfer. The solicitation is open to all responsible sources without a written request, and no set-aside designation is specified. All contractual terms and statutory requirements under FAR 52.212-4 and 52.212-5 are binding upon award.
Sflc Procurement Branch 1(00080)

POSTED

3 months ago

CLOSED

3 months ago
View Details
NAICS: 221121
Closed
SLED
Power Support Services
Solicitation # 20260716014
The City of Glendale Water & Power is soliciting proposals for comprehensive Power Support Services to provide front-office, middle-office, and back-office operational support. The scope of work includes energy trading, portfolio management for power and natural gas, credit and risk management, settlements, and contract administration. A critical component of the contract is the provision of scheduling services for CAISO/EDAM, WECC, and SPP Markets+, requiring 24/7 real-time operations and day-ahead scheduling on non-business days. The selected consultant will act as an agent for the city, utilizing GWP's Energy Trading and Risk Management system and other designated tools such as OATI and ICE to implement bidding strategies and manage energy acquisitions. Proposals must be submitted electronically in PDF format by September 11, 2026, at 5:00 PM PDT, followed by a hard copy within five business days. Evaluation is based on a weighted system focusing on the proposer's ability to provide a comprehensive solution, with a preference for firms that can support the full range of operational requirements. Key requirements include the ability of the onboarding team to be present on-site in Glendale during implementation and strict adherence to cybersecurity protocols, including multi-factor authentication and geographic restrictions limiting remote access to the United States and Canada. The contract also mandates compliance with professional standards of care, California labor laws, and specific certifications from NERC, WECC, and CAISO.
City of Glendale, Glendale Water & Power

POSTED

3 months ago

CLOSED

about 1 month ago
View Details
NAICS: 221121
Closed
SLED
145965 Real-Time Automation Controller - SEL 3350
Solicitation # 230727
The Los Angeles Department of Water and Power is soliciting bids for the 145965 Real-Time Automation Controller - SEL 3350 under solicitation number 230727, with the opportunity posted on June 25, 2026, and responses due by July 2, 2026, at 9:00 PM Pacific Time. All submissions must be made electronically through the Electronic Request Solicit Procure (eRSP) system; no mail-in or hard copy bids will be accepted. This procurement falls under NAICS code 221121 and is classified as a SLED organization type, with performance located in Los Angeles, California. The point of contact for questions and clarification is Steven Rothhammer, reachable via email at steven.rothhammer@ladwp.com. Interested parties must access the full bid document and submit through the official eRSP portal linked in the posting to ensure compliance with all submission requirements.
Water & Power

POSTED

4 months ago

CLOSED

3 months ago
View Details

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