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Small Cap
Renewable Electricity
Stocks Ranked by
Market Capitalization

Name Market cap Price Price
change %
XIFR icon
1
XPLR Infrastructure LP
XIFR
$937M
$937M $9.94 1.22%
FLNC icon
2
Fluence Energy
FLNC
$830M
$830M $5.80 9.8%
NRGV icon
3
Energy Vault
NRGV
$516M
$516M $2.84 7.19%

Small Cap Renewable Electricity Stocks at a Glance

Renewable electricity companies generate power from wind, solar, hydro, and other clean sources. Long-term purchase agreements underpin contracted cash flows, with growth tied to the grid's decarbonization buildout and project returns sensitive to financing costs.

There are 3 small cap Renewable Electricity stocks — companies in the Renewable Electricity industry with a market cap between $250M and $2B — worth a combined $2.28B.

The largest by market cap are XPLR Infrastructure LP (XIFR) at $937M, Fluence Energy (FLNC) at $830M and Energy Vault (NRGV) at $516M.

Among institutional investors, Fluence Energy (FLNC) drew the most net new fund positions in Q2 2026: 86 funds opened new positions, taking total fund holders up 40 (15%) quarter-over-quarter.

Market caps and prices updated daily; fund activity based on aggregated SEC 13F filings for Q2 2026.