Generac vs. Caterpillar: Which Power Stock Is the Better Buy?
Generac (GNRC) and Caterpillar (CAT) are capitalizing on AI and data center growth. GNRC focuses on data center backup power, with $1.6B backlog and a $2.4B Amazon deal. CAT, diversified, saw 17% YoY Power & Energy sales growth. Both face risks like market cycles and competition.
How this was made

The 30-second read
Why it matters
Generac's new Amazon contract and growing backlog provide a clear growth catalyst, while Caterpillar's strong sales are offset by macro risks.
Market read
Both firms are positioned to benefit from AI‑driven data‑center expansion, but differing risk profiles may drive divergent stock performance.
What to watch
Generac's heavy reliance on a single large customer (Amazon) may concentrate risk if the partnership falters.
Background
The article compares Generac Holdings and Caterpillar on their positioning in the expanding AI‑driven data‑center power market.
Ticker impact
Generac disclosed a new long‑term supply agreement with Amazon for backup power generators worth $2.4 bn in 2027‑28 and a data‑center backlog of $1.6 bn, indicating a significant growth catalyst.
likely upward pressure as investors price in higher future revenue and margin expansion.
The contract adds scale and visibility to Generac's power‑generation business, supporting revenue growth expectations.
Caterpillar reported a 17% YoY rise in Power & Energy sales to $8.2 bn and a $72 bn total backlog, highlighting strong demand for data‑center power equipment.
moderate upside tempered by macro‑risk concerns.
Robust sales and backlog support the stock, yet uncertainty around tariffs and geopolitics may limit upside.
Market effects
Both power‑generation and industrial equipment sectors gain from AI‑driven data‑center expansion.
U.S. industrial and technology markets see increased demand for large‑scale generators.
Highlights the growing importance of reliable power infrastructure for global AI and cloud growth.
Counterpoint
Caterpillar's exposure to geopolitical and tariff risks could outweigh its sales growth, making it a relative underperformer.
Key entities
- companyGenerac Holdings Inc.
U.S. power‑generation equipment maker.
- companyCaterpillar Inc.
Global industrial equipment and power‑generation leader.

