Top 7 Electric Transformer Factories in Saudi Arabia (2026 Buyer’s Guide)
If you are looking for a Saudi electric transformer factory in 2026, you are shopping in one of the busiest grid markets in the world. Saudi Energy (the utility formerly known as Saudi Electricity Company, SEC) has outlined SR220bn ($58.7bn) of power investment for 2025–2030, with SR135bn going to transmission and SR85bn to distribution. The plan covers 130 high-voltage substations and 135,000 MVA of new capacity — and every one of those MVA has to pass through a transformer.
Demand is not only coming from new projects. Analysts estimate the Kingdom buys 1,800–2,500 medium power transformers a year, and a large share of the installed base is approaching the end of its 25–35 year design life. Add Vision 2030 giga-projects, data centers, solar parks and desalination plants, and lead times for transformers have become a real project risk.
This guide lists 7 real transformer factories operating in Saudi Arabia, what each one builds, who it is best for, typical 2026 price ranges, and a practical checklist for choosing the right supplier. We also look at a related trend: Saudi manufacturers moving into automated circuit breaker production under Vision 2030.
Quick answer: The main transformer factories in Saudi Arabia are alfanar (Riyadh), SPTC, Saudi Transformers Company, WESCOSA and ATC (Dammam), UTEC (Riyadh) and the new Saudi Voltamp plant near Jeddah. Choose a local, SEC-approved factory for utility and government work; consider factory-direct suppliers for private projects that need compact substations fast.
Saudi Transformer Factories at a Glance
Seven companies build transformers inside the Kingdom today. Three of them (SPTC, Saudi Transformers Company and WESCOSA) belong to the same listed group, Electrical Industries Company (EIC).
Global OEMs such as Hitachi Energy and HD Hyundai Electric also win large Saudi transformer orders, but their Saudi bases focus on service, GIS and HVDC rather than local transformer production.
An Overview of the Seven Transformer Factories in Saudi Arabia
1. alfanar — Riyadh
alfanar claims to be the biggest producer of electrical goods worldwide and comes across as the most “one-stop” alternative on our list. Established in 1976, the manufacturing base for Alfanar is Medinet alfanar, a 720,000 m² industrial city in Riyadh which stretches over 720,000 m² and has an exclusive Transformers Manufacturing Complex for power and distribution transformers, as well as switchgear, cable, and HVDC station manufacturing facilities.
Goods manufactured: oil-immersed power and distribution transformers, cast-resin dry-type transformers with anti-corrosive coating, transformers for the pole-mounted, pad-mounted, and packages substation.
Strengths: supplier of transformers, MV/LV switchgear, cables, and EPC all rolled into one package; high local content (IKTVA).
Uses: utility substations, giga-projects, data centers, renewables, and storage facilities for batteries (Alfanar has gained five BESS projects from National Grid Saudi Arabia).
Best suited for: EPC contractors looking for one point of reference for a complete electrical package.
2. Saudi Power Transformers Company (SPTC) — Dammam
Saudi Power Transformers Company is an enterprise in the Kingdom providing high-voltage and extra high-voltage power transformers. It was founded in the 2nd Industrial City of Dammam as a Joint Venture with CG Power Systems and had a starting capacity of 5,000 MVA. The company has been 100% Saudi owned since 2016 as a part of Electrical Industries Company (EIC). SPTC uses Pauwels transformer technology.
Goods manufactured: power transformers, shunt reactors, and mobile substations.
Strengths: a high level of cooperation with SEC.In September 2025, a contract worth SAR 1.41 billion was signed with SEC for 84 months for the supply of EHV and HV transformers and reactors. Due to the request from SEC, in 2023, the output of HV transformers was increased to 150 units per year from the initial output of 70 units per year respectively.
Uses: substations with 132 kV and 380 kV line conductors, including EPC projects in the industry, for instance SAR 129.3 million contract with Técnicas Reunidas.
The company is ideal for utilities and EPC companies needing locally manufactured units of HV/EHV transformers.
3. Saudi Transformers Company (STC) — Dammam
STC is one of the oldest companies in the industry of distribution transformers in Saudi Arabia, and it is the original partner of Pauwels, a Belgian company. Presently, it is a subsidiary of EIC located in Dammam in the First industrial area.
Items: distribution transformers, integrated substations and unit substations.
Advantages: supplier authorized by Saudi Aramco and SEC and provider of services for DEWA (Dubai), Ministry of Electricity and Water, Kuwait, and EWA of Bahrain.
Uses: electricity distribution systems, oil and gas industries, and residential sectors.
The company is suitable for customers requiring certified distribution transformers from SEC or Saudi Aramco.
4. WESCOSA (Wahah Electric Supply Company of Saudi Arabia) — Dammam
WESCOSA is the third company of EIC intended for manufacturing and producing transformers and grid switching mechanisms that also included full-cycle construction of transformers. Like STC, WESCOSA signed a contract in the amount of SAR 198.5 million with SEC, lasting for 19 months, regarding the supply of distribution transformers.
Items: distribution transformers, MV/LV switchgear, electrical equipment, construction and cabling devices.
The company is best for those wishing to get transformers and switching gear from one supplier specializing in manufacturing.
5. UTEC (United Transformers Electric Company) — Riyadh
UTEC was established in 2001 as a joint project founded by Bawan company and Wilson manufacturer from Australia. The company specializes in the manufacture of distribution transformers with power from 50 kVA to 10,000 kVA up to 36 kV. The products of UTEC passed tests at KEMA Company in the Netherlands.
Items: oil and dry transformers, unit/prefabricated/mobile substations, and power supply systems for switchgear.
Advantages: a large manufacturer of transformers producing up to 22,000 transformers annually and employed in exports to over 20 countries.
Best for: companies and organizations with urgent requests for transformers needed to be supplied to clients in line with SEC regulations.
6. Arabian Transformers Company (ATC) — Dammam
ATC has been in operation since 1997 in the second industrial area of Dammam and presents itself as a Saudi business.
Items: oil and dry distribution transformers, pole and ground assembly transformers, and equipment for modular designs.
Standards: ANSI C57.12.00 and IEC 60076 correspond to the design specifications used to solve joint projects.
Best for: projects on the establishment of municipal lighting systems, market facilities, and middle-size manufacturing enterpris
7. Saudi Voltamp (National Transformer Company) — near Jeddah
Saudi Voltamp is the newest company in the field of HV transformers. In March 2026, the share of Oman’s Voltamp Energy in the joint project with Al Sharif Group was increased from 49 to 80%. The first phase deals with the 132 kV line operation on the area of 27,000 square meters, and the second phase is going to be in operation in 2027 on the area of 45,000 square meters and deal with 380 kV.
Strengths: it is the only plant for HV transformers under construction in the Western region.
How Much Does a Transformer Cost in Saudi Arabia? (2026 Price Ranges)
In 2026, the cost of distribution transformers is around $20-70 per kVA, while large power transformers cost approximately $15,000-21,000 per MVA. In fact, the final price is determined by the copper and core-steel price, loss category, SEC/Aramco specifications, price premium for local content, and delivery conditions.
The rule of thumb: the greater the transformer, the cheaper the price per kVA — however, the period before delivery is longer. Therefore, when comparing prices, one should take into account not just the price per unit but the values of guaranteed losses and delivery date.
The primary factor influencing the price increase is the worldwide lack of supply. According to the data provided by Wood Mackenzie, the prices for power transformers have grown by approximately 77% since 2019, with delivery time of about 128 weeks on average. The major source of transformer production is China, which accounts for around 60% of the world production capacity. In 2025, the country exported transformers worth 64.6 billion yuan ($9.3 billion), with the average unit price growing by approximately one-third to 205,000 yuan.
wer fits: factory-direct from China
Local Saudi factories win when SEC approval and local-content scoring decide the tender. For private developers, contractors, industrial plants and distributors, a factory-direct Chinese supplier can shorten delivery and widen the choice of compact designs. RUY Power manufactures:
Standard lead time for these substations is 15–30 days ex-works, depending on configuration and quantity. When you request a quote for Saudi Arabia, specify the local grid: 13.8 kV (or 33 kV) primary, 60 Hz, 400/230 V secondary and 50 °C ambient, and ask for IEC 60076 type-test reports and a SASO Certificate of Conformity. Send your kVA, voltage and quantity to RUY Power for a factory-direct price within 24 hours.
Beyond Transformers: Circuit Breakers From Yueqing — and Saudi Arabia’s Push to Make Them Locally
In a substation, half of the equation is represented by a transformer. In order to be effective, a number of low-voltage protective devices must be installed in a package substation, panelboard and motor control center. Your Vision 2030 projects will see millions of these devices installed.
Why so many breakers come from Yueqing, China
Most low-voltage breakers used in Saudi Arabia panels are still imported, and a considerable part of them comes from Yueqing in Wenzhou, Zhejiang surface. Yueqing is the most famous low-voltage electrical center in China and home to such brands as CHINT and DELIXI. The town is surrounded by thousands of suppliers for components necessary for contacts, bimetals, arc chutes, springs, and molded casings. For Saudi customers it is advantageous because:
One city = full supply chain: finished breakers, spare parts, and production on OEM/private label basis are just a few minutes’ drive away.
IEC conformity: MCBs under IEC 60898-1 and MCCBs under IEC 60947-2 which are in compliance with SASO standards.
Pricing: competitive cost of each product and low MOQ for private labels.
Simple rule for importers: every breaker has to have SASO Certificate of Conformity for import, sale and installation and its heating curve has to be checked for ambient temperature above 50 °C.
Vision 2030 is moving breaker production into the Kingdom
The local content policy has begun to create a favorable environment for local manufacturers. The Local Content and Government Procurement Authority directs public procurement towards locally-manufactured goods, while the NIDLP and Made in Saudi initiatives enable new facilities to be established. In addition, the Monsha’at and Saudi Industrial Development Fund provide financing for small and medium-sized enterprises. An apparatus manufactured in Saudi Arabia can successfully meet qualification criteria enabling the local suppliers to benefit from certain procurement advantages.
Consequently, companies involved in distribution, panel building and other branches of industry are manufacturing automated circuit breakers in Saudi Arabia. The challenge is not designing the apparatus, but launching a production line that will manufacture hundreds of thousands of identical pieces that meet SASO/IEC requirements. Automated production lines that perform in-line trip, dielectric and endurance tests make it possible.
Riyadh-based ALKHALEFAH, for example, runs automated MCB and MCCB production and testing lines supplied from Yueqing.
For a deeper look at this trend, read Benlong Automation’s analysis:
Further reading:Why Vision 2030 is Driving a New Wave of Circuit Breaker Manufacturing in Saudi Arabia — why MCBs are the natural first product for new Saudi manufacturers, what SASO and IEC certification require, and how automation lowers the barrier to entry.
For transformer buyers, the takeaway is practical: when you specify a package substation or LV board, ask whether its breakers are imported or locally assembled, and check that each type carries a valid SASO certificate.
Choosing the Best Transformer Factory: 8 Factors to Consider
To begin, consider who your end client is. If the transformer goes directly to SEC (Saudi Electric Company) or Saudi Aramco, you can significantly reduce the list with the approved vendor list of these two companies. In the case of private, industrial or export projects, the following factors are more relevant.
①.Approval by power utilities and clients. It is important to find out whether the supplier is in the approved vendor’s list for the product and parameters required (but not just transformers in general).
②.Certifications and standards. Request compliance with the standards IEC 60076 (or ANSI C57.12 in cases where it is applicable), SASO Certificate of Conformity, and ISO 9001. The type test report provided by independent laboratories such as KEMA has a higher value than an in-house report.
③.Percentage of local content. According to Local content and government procurement authority rules a locally produced transformer can win government projects through the higher price setting. Therefore, request a local content certificate from the transformer manufacturer.
④.Design adapted for the local conditions. Check that the transformer is produced for 60 Hz, 13.8 kV or 33 kV primary, 400/230 V secondary, and rated ambient of 50 degrees Celsius. Recommend asking about the applicable limits for temperature rises, insulation class, dust protection and corrosion protection which are especially relevant to transformers working in coastal areas such as Jubail, Jeddah, or Red Sea.
⑤.Losses and total cost of ownership. The cheaper transformer with higher load and no load losses can become much more expensive over 25+ years. In addition, the guaranteed values of losses shall be compared as well as the penalty formula.
⑥.Testing and factory acceptance. It is necessary to agree upon the routine tests as well as on the specific tests and witnessed factory acceptance test before signing. In case of package substations, the transformer, LV board and RMU shall be tested together.
⑦.Capacity and producer’s lead time. Given that the lead time of global suppliers exceeds 2 years, it is necessary to request the confirmed production slot and penalty for delay delivery.
A convenient rule of thumb is to take a local factory (alfanar, SPTC, STC, UTEC, ATC) into account if you are assigned by SEC or public-funded projects. For private projects requiring compact substations in a short period, qualified imports, such as RUY Power, can be a good alternative.
FAQ
Who is the biggest transformer manufacturer in the world?
By revenue, Hitachi Energy (the former ABB Power Grids) is generally ranked first, ahead of Siemens Energy, GE Vernova and Toshiba. By production volume, Chinese makers such as TBEA are among the largest in the world, and HD Hyundai Electric is a leading supplier of HV units to Saudi Arabia.
Where are electrical transformers manufactured?
With around 60% of total transformer production capacity, China is the top manufacturer in the world, and it possesses the complete supply chain from copper and core steel to the tap changers. Other large centers are Europe (Germany, Belgium, Italy) as well as South Korea, Japan, India, Turkey, and the USA. Among the Gulf countries, Saudi Arabia has the biggest local industry with the seven factories described above located in Riyadh, Dammam, and Jeddah.
How much does a 500 kV transformer cost?
At present, the market price for large power transformers ranges between $15,000–21,000 per MVA, this means that the total cost of a 500 kv, 500 MVA transformer is anywhere from approximately $7.5 million to 10.5 million ex-works. Experts say that transport, installation, and commissioning of the transformer using bushings and oil will increase this price even more and that the delivery period for such high voltage transformers today is 30-36 months. It is interesting that the transmission network of Saudi Arabia uses the 380 kV voltage instead of 500 kV.
What are the major power plants in Saudi Arabia?
The largest are oil- and gas-fired plants owned by Saudi Energy (SEC) and independent power producers:
Every one of these plants relies on generator step-up and station transformers, and new solar parks and HVDC links are adding fresh demand.
Conclusion
The extensive development of Saudi Arabia’s grid means that there will continue to be high levels of demand for transformers for the remainder of the decade. For work assigned to SEC and Aramco, local manufacturers such as alfanar, SPTC, Saudi Transformers Company, WESCOSA, UTEC and ATC, as well as the soon-to-be-launched Saudi Voltamp, will be the manufacturers of choice. However, for private builders, contractors and distributors that require swift access to compact substations, having a reputable supplier of factory-direct transformers will provide them with the extra capacity that they need, as well as the opportunity to compare prices.
In need of a combined transformer, a prefabricated substation or a switchboard for your project in Saudi Arabia? Contact RUY Power with your kVA rating, voltage and quantity for a factory-direct quote, or browse our transformer and substation range.
