Industrial Production Products & Services

Auxiliary Generators: Market Size, Growth & Forecast to 2030

The Auxiliary Generators market is valued at about $51.2 billion (2026) and is projected to grow at a 4.7% CAGR through 2030. The largest cost driver is Raw Materials (Steel, Copper, Alternator Components) (40% of spend). North America leads demand at 35%.

Market size
$51.2 bn (2026)
CAGR to 2030
+4.7%
Buyer power
Favours buyers
Tracked suppliers
45

Projected market growth to 2030

Market size index, 2026 = 100, at the 4.7% CAGR.

1261171091001002026104.72027109.62028114.82029120.22030125.82031

Cost structure

Raw Materials (Steel, Copper, Alternator Components)
40%
Engine Components and Power Electronics
25%
Direct Labor and Assembly
15%
Inbound and Outbound Logistics
10%
Overhead, Testing, and Compliance Engineering
10%

Regional demand split

North America demand
35%
Asia Pacific demand
30%
Europe demand
18%
Middle East & Africa demand
10%
Rest of world demand
7%

Key suppliers

Caterpillar Inc.Cummins Inc.Generac Holdings Inc.Kohler Co.Atlas Copco ABWartsila Corporation
Read the full Auxiliary Generators report →

Claight market analysis of proprietary and public data. Full report: /category-intelligence/auxiliary-generators