Industrial Production Products & Services

Once-Through Steam Generators: Market Size, Growth & Forecast to 2030

The Once-Through Steam Generators market is valued at about $0.49 billion (2026) and is projected to grow at a 6.4% CAGR through 2030. The largest cost driver is High-grade alloy and stainless steel piping (42% of spend).

Market size
$0.49 bn (2026)
CAGR to 2030
+6.4%
Buyer power
Favours buyers
Tracked suppliers
25

Projected market growth to 2030

Market size index, 2026 = 100, at the 6.4% CAGR.

1361241121001002026106.42027113.22028120.52029128.22030136.42031

Cost structure

High-grade alloy and stainless steel piping
42%
Precision engineering and specialized manufacturing labor
23%
Inbound and site-delivery logistics
14%
Control systems and ancillary equipment components
12%
Factory overhead and energy compliance testing
9%

Key suppliers

GE VernovaSiemens Energy AGMitsubishi Heavy IndustriesNooter EriksenBabcock and Wilcox EnterprisesTIW Western Inc
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Claight market analysis of proprietary and public data. Full report: /category-intelligence/once-through-steam-generators