Which has the lower trailing P/E, AMRC or PSIX?

PSIX has the lower trailing P/E: AMRC trades at 41.31 and PSIX at 15.81. P/E is one valuation measure and does not by itself establish which business is cheaper.

Which has grown faster, AMRC or PSIX?

Over the past five years, AMRC grew revenue faster — AMRC at a 12.51% CAGR versus PSIX at 9.42%.

Is AMRC or PSIX more profitable?

PSIX runs the higher net margin — AMRC at 1.40% versus PSIX at 10.03%.

How have AMRC and PSIX total returns compared?

Over the past 10 years, AMRC delivered 17.03% and PSIX delivered 13.81% annualized total return. Past performance doesn't predict future results.

Ameresco, Inc. (AMRC) vs Power Solutions International, Inc. (PSIX)

A side-by-side comparison of Ameresco, Inc. and Power Solutions International, Inc. across valuation, profitability, dividends, and growth — built entirely from reported fundamentals, as of September 13, 2026. Differences are shown without an overall score or investment verdict.

AMRC

Ameresco, Inc.

$1.14B

$21.48IndustrialsDelayed quote: Sep 25, 2026, 4:00 PM EDT

PSIX

Power Solutions International, Inc.

$1.08B

$46.65IndustrialsDelayed quote: Sep 25, 2026, 4:00 PM EDT

Total return — AMRC vs PSIX

growth of $100 · dividends reinvested · last 10y

AMRC +382.4% (+17.0%/yr)PSIX +260.2% (+13.7%/yr)AMRC compounded faster over this window

AMRC PSIX

AMRC vs PSIX: by the numbers

•AMRC is the larger company ($1.14B vs $1.08B market cap).
•PSIX trades at the lower trailing earnings multiple (15.81 vs 41.31 P/E), one valuation lens rather than an overall verdict.
•PSIX converts more revenue to profit (10.03% vs 1.40% net margin).
•AMRC grew revenue faster over the past five years (12.51% vs 9.42% CAGR).

Metrics side by side

Valuation

Metric	AMRC	PSIX
P/E ratio	41.31	15.81
Forward P/E	17.33	15.94
P/S ratio	0.56	1.59
P/B ratio	0.84	5.30
EV / EBITDA	11.81	11.91
FCF yield	N/A	6.24%

Profitability

Metric	AMRC	PSIX
Gross margin	16.13%	23.73%
Operating margin	6.99%	13.00%
Net margin	1.40%	10.03%
ROE	2.10%	33.41%
ROIC	3.54%	21.64%

Growth (annualized)

Metric	AMRC	PSIX
Revenue CAGR (5Y)	12.51%	9.42%
EPS CAGR (5Y)	-5.76%	53.38%
FCF CAGR (5Y)	N/A	26.17%
Total return CAGR (5Y)	-19.32%	54.05%

Frequently asked

Which has the lower trailing P/E, AMRC or PSIX?: PSIX has the lower trailing P/E: AMRC trades at 41.31 and PSIX at 15.81. P/E is one valuation measure and does not by itself establish which business is cheaper.
Which has grown faster, AMRC or PSIX?: Over the past five years, AMRC grew revenue faster — AMRC at a 12.51% CAGR versus PSIX at 9.42%.
Is AMRC or PSIX more profitable?: PSIX runs the higher net margin — AMRC at 1.40% versus PSIX at 10.03%.
How have AMRC and PSIX total returns compared?: Over the past 10 years, AMRC delivered 17.03% and PSIX delivered 13.81% annualized total return. Past performance doesn't predict future results.

Go deeper

Full AMRC analysis Full PSIX analysis Interactive comparison tool

Dig into the metrics

Ameresco P/E ratio Power Solutions International P/E ratio Ameresco ROE Power Solutions International ROE Ameresco operating margin Power Solutions International operating margin Ameresco revenue growth Power Solutions International revenue growth Ameresco free cash flow Power Solutions International free cash flow

Ameresco & Power Solutions International appear in these rankings

Highest ROE Stocks Highest ROIC Stocks Highest FCF Yield Stocks Highest 10-Year Total Return Stocks

Figures are sourced from reported fundamentals and the latest end-of-day price. This comparison is informational only and is not investment advice. Past performance does not predict future results. See our methodology. Compiled by TGMCharts Research · data verified September 13, 2026.