6.4.3Segment

Hydroelectric Power Generation

Operators of large hydroelectric dams, run-of-river plants, and pumped storage hydropower facilities.

4
Verticals

Overview

Hydroelectric Power Generation covers electricity produced from flowing water — conventional dams and pumped-storage hydro. At ~$4B in reported generation revenue it is a mature, consolidated segment, with much U.S. hydro federally owned (Bonneville, TVA, Bureau of Reclamation) alongside utility and merchant operators; it is the largest source of renewable generation by output.

Demand value is rising as pumped-storage hydro — the largest form of grid energy storage — gains importance for firming intermittent renewables and providing grid flexibility. New conventional dam capacity is limited, but relicensing, upgrades, and pumped storage are the growth avenues. It is a stable, mature, capital-intensive segment.

Market snapshot

Market size
~$4B
Growth
~5.2%CAGR (2017–22, nominal)
Companies
~550
FragmentationConsolidated

U.S. Census Bureau 2022 CBP/Economic Census, NAICS 221111 (hydroelectric power generation) — reported merchant/establishment revenue; much U.S. hydro is federally owned and outside this figure.

Business model & economics

Revenue model
Wholesale power and grid-flexibility/storage services
Recurring revenue
High — recurring generation and storage services
EBITDA margin
Strong — low-marginal-cost renewable baseload
Capex intensity
High
  • Largest renewable source by output; much federally owned.
  • Pumped storage the largest form of grid energy storage.
  • Relicensing, upgrades, and pumped storage the growth avenues.

M&A deal context

Moderate deal activity

Who’s acquiring

Utilities & merchant operatorsInfrastructure fundsPumped-storage developers

What’s driving deals

  • Pumped-storage value for renewable firming.
  • Relicensing and capacity upgrades.
  • Grid-flexibility and storage services.

Verticals in this segment

  • 6.4.3.1Large Hydroelectric Facilities

    Operators of large-scale hydroelectric dam and reservoir facilities.

  • 6.4.3.2Pumped Storage Hydroelectric

    Operators of pumped storage hydroelectric energy storage facilities.

  • 6.4.3.3Run-of-River Hydro Plants

    Operators of diversion-based hydroelectric generation facilities.

  • 6.4.3.4Small & Micro Hydro Operations

    Operators of small-scale and micro hydroelectric generation systems.

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