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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.

3
Active Contracts
$20.7M
Total Obligations (12mo)
37
Awarded Contracts (12mo)
15
Contractors Awarded (12mo)
1
Median Bidders per Award
-24.9%
YoY Growth

Contract Opportunities

Active solicitations and awarded contracts classified under NAICS 221121 — Electric Bulk Power Transmission and Control.

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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
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

10 days ago

CLOSED

1 day ago
View Details
NAICS: 221121
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

23 days ago

DEADLINE

in 6 days
View Details
NAICS: 221121
Awarded
DIBBS
POWER DISTRIBUTION
Solicitation # SPE7L7-26-P-2950
Defense Logistics Agency

POSTED

23 days 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

28 days ago

CLOSED

3 days 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

about 1 month ago

CLOSED

about 1 month ago
View Details
NAICS: 221121
SLED
Power Support Services
Solicitation # 20260716014
The City of Glendale Water & Power is soliciting qualified firms to provide comprehensive Power Support Services under solicitation number 20260716014, with proposals due by September 12, 2026. The contract requires the selected consultant to serve as an agent for GWP, delivering front-office, middle-office, and back-office operational support across energy trading, scheduling in CAISO, EDAM, WECC, and SPP Markets+, power and natural gas portfolio management, credit and risk oversight, settlements, contract administration, and advisory services. The consultant must operate on a 24/7 basis using GWP’s Energy Trading and Risk Management system, performing real-time tasks and day-ahead scheduling on non-business days, while also evaluating renewable energy proposals and supporting long-term acquisition strategies. Performance is centered in Glendale, California, with on-site presence required during implementation, and key milestones include a kickoff on January 25, 2027, system integration by March 1, 2027, a test period beginning May 1, 2027, and full live operations by July 1, 2027. The evaluation of proposals is based on a best-value trade-off approach, with technical approach and understanding weighted at 30%, qualifications and operational experience at 25%, cost at 25%, personnel qualifications at 10%, and operational approach and implementation at 10%. Proposers must demonstrate proven experience in California energy markets, strong cybersecurity practices, and robust business continuity planning. Required attachments include a Professional Services Agreement, Insurance Requirements mandating $1 million per claim and $2 million aggregate professional liability coverage from an A.M. Best A:VII-rated insurer, Public Records Exempt Information, and a Disclosure Campaign Finance Ordinance compliance form. Contractors must adhere to strict remote access protocols via Citrix with multi-factor authentication and network segmentation, and are prohibited from performing work outside the scope without a signed task order from GWP. All submissions must be in PDF format, submitted electronically by September 11, 2026, at 5:00 p.m. PDT, with a hard copy delivered to GWP’s Glendale office. Disclosures of executive ownership and campaign contributions are mandatory for contracts exceeding $25,000, and subcontractors performing work above this threshold must also comply with disclosure rules. The contract imposes a professional standard of care aligned with California law and industry norms
City of Glendale, Glendale Water & Power

POSTED

about 1 month ago

DEADLINE

in 14 days
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

2 months ago

CLOSED

about 2 months ago
View Details
NAICS: 221121
Federal
225–250 CFM Air Compressor RentalThe contract involves the rental and support of mobile air compressors with a capacity ranging from 225 to 250 cubic feet per minute (CFM) intended for industrial applications within a shipyard environment. These compressors will be utilized for essential operations such as maintenance, painting, and powering various tools, emphasizing their role in supporting day-to-day shipyard activities. The contract is categorized under NAICS code 221121, indicating its alignment with electric power generation, transmission, and distribution industries, which supports the technical and industrial nature of the work. Administered by the Department of Defense through the Norfolk Naval Shipyard, the work is to be performed in Portsmouth, Virginia, with a specified zip code of 23709. This subcontract does not indicate any set-aside status or specific organization type requirements. The solicitation was made available as of June 7, 2026. Overall, this contract facilitates critical support equipment necessary for operational efficiency and maintenance at the naval shipyard, ensuring continuous functionality of shipyard infrastructure and tools.
Norfolk Naval Shipyard Gf

POSTED

3 months ago

DEADLINE

N/A
View Details
NAICS: 221121
Closed
International
Alberta Municipalities - Request for Proposal - Supply of Wholesale Electricity
Solicitation # AB-2026-04155
Alberta Municipal Services Corp. is seeking firm, non-curtailable wholesale electrical energy through a solicitation issued under AB-2026-04155, aimed at supplying power to municipalities, community organizations, not-for-profits, and commercial and industrial consumers across Alberta. The contract requires providers to deliver uninterrupted energy to meet the collective needs of these public and nonprofit entities, with all supply terms structured to ensure reliability and consistency without the risk of curtailment. Proposals must be submitted by June 15, 2026, at 5:00 p.m. MT, following the issuance of the RFP on June 2, 2026, and are governed under the NAICS code 221121 for electric power generation, transmission, and distribution. The solicitation is administered by Alberta Municipalities on behalf of its customers, with Steve McMaster serving as the primary point of contact for all inquiries. Performance of the contract is exclusively within the Province of Alberta, and while the solicitation is listed under a federal portal, the contracting authority is a provincial entity representing local public interests.
Alberta Municipalities

POSTED

3 months ago

CLOSED

2 months ago
View Details
NAICS: 221121
Closed
SLED
Transmissions
Solicitation # 8836
The City of Waterbury is soliciting sealed bids for TRANSMISSIONS under Bid Number 8836, with all submissions required to be delivered to the Director of Purchasing at City Hall, 235 Grand Street, Waterbury, CT, no later than 11:30 a.m. on June 9, 2026. Bids will be publicly opened at that time and no late submissions will be accepted. The bid was posted on May 22, 2026, and the clarification deadline for any questions is May 29, 2026, at 2:00 p.m. This is an Invitation to Bid (ITB) process, conducted offline with no prebid meeting scheduled. All bids must be submitted in U.S. dollars and will be evaluated according to the terms outlined in the official solicitation. The contract is classified under a SLED government type, with the City of Waterbury listed as the awarding agency in the state of Connecticut. There is no set-aside designation or NAICS code specified. The point of contact for this opportunity is M. McCauley, reachable at mmccauley@waterburyct.org for any inquiries. The bid portal and additional details can be accessed via the provided UI link, though registration and login are required to view questions and responses. The process is closed to bidding as of the due date, and the award will follow the public bid opening in accordance with city procurement procedures.
City of Waterbury

POSTED

3 months ago

CLOSED

3 months ago
View Details
NAICS: 221121
Closed
International
Alberta Electric System Operator - Request for Proposal - Transferred Frequency Response (TFR) Request for Proposals
Solicitation # AB-2026-03734
The Alberta Electric System Operator is seeking to procure up to 50MW per 0.1Hz of Transferred Frequency Response capability to fulfill its obligations under the Alberta Reliability Standard BAL-003-AB1-1.1 and NERC’s BAL-003-2 for the compliance year spanning December 1, 2026, to November 30, 2027. The procurement will be conducted through a Request for Proposals issued under solicitation number AB-2026-03734, with proposals due by June 12, 2026, at 3:30 p.m. MDT. Successful respondents will enter into one or more Transferred Frequency Response Agreements governed by the terms outlined in the RFP documentation, with selection based on technical capability and pricing. Participation is restricted to direct submissions to the AESO and cannot be facilitated through Alberta Purchasing Connection, despite the posting appearing there for informational purposes only. All inquiries and requests for RFP materials must be directed to procurement@aeso.ca. The competition opens publicly on May 13, 2026, and no set-aside provisions or NAICS classification apply to this solicitation.
Alberta Electric System Operator

POSTED

4 months ago

CLOSED

3 months ago
View Details
NAICS: 221121
Closed
SLED
145828 TRANSFORMER, SOLID CAST
Solicitation # 229877
The contract pertains to a solicitation issued by the Los Angeles Department of Water and Power (LADWP) for the procurement of a solid cast transformer, identified under the solicitation number 229877. This bid opportunity was posted on May 8, 2026, with a submission deadline of May 15, 2026, at 9:00 PM. Bidders must submit their proposals electronically via the eRSP system, as handwritten or mailed hard copies are not accepted. The procurement falls under the NAICS code 221121, relating to electric power distribution, and is managed by LADWP within California, specifically for performance in Los Angeles. All submission requirements are detailed in the official bid documents, which can be accessed through the provided electronic link. The designated point of contact for this solicitation is Ness P. Cua, reachable via email at ness.cua@ladwp.com. There are no specific set-aside provisions linked to this solicitation, and interested vendors should ensure compliance with all electronic submission protocols to participate in this procurement opportunity.
Water & Power

POSTED

4 months ago

CLOSED

4 months ago
View Details

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