Report Highlights

Waste Heat Recovery in the United States: Market Overview

The U.S. waste heat recovery market is distinctive because its installed base is anchored in legacy industrial assets rather than new construction. Petroleum refineries and chemical complexes along the Gulf Coast, steel mills in the Ohio Valley, and cement kilns in Texas and Pennsylvania generate most of the recoverable thermal energy. The market reached an estimated USD 4.2 billion in 2024, reflecting this concentration of heavy industry and high-temperature process streams.

Compared with the global norm, where Asia Pacific leads on the back of China's steel and cement output, the U.S. market skews toward retrofits of organic Rankine cycle and steam bottoming systems rather than greenfield heat-to-power plants. Emissions rules under the Clean Air Act and state efficiency programs push plants toward recovery, while abundant natural gas keeps electricity prices moderate and limits pure energy-price urgency. Buyers therefore evaluate projects on tax credit stacking and host-plant operating reliability rather than energy arbitrage alone.

Growth Drivers in Waste Heat Recovery in the United States

Three country-specific drivers anchor demand. First, the Inflation Reduction Act's Section 48 investment tax credit covers waste energy recovery property, offering a 30 percent credit when prevailing wage and apprenticeship requirements are met. Second, the Department of Energy's Industrial Assessment Centers, operated through university partners, have conducted more than 18,000 plant assessments since 1976, repeatedly identifying heat recovery as a leading efficiency measure.

Third, the Industrial Demonstrations Program under the Bipartisan Infrastructure Law, which allocated roughly USD 6.3 billion to industrial decarbonization, directs capital toward heat recovery retrofits at energy-intensive sites. Reshoring of chemical and battery manufacturing in Louisiana and Georgia also adds new high-temperature process heat sources that did not exist a decade ago. These programmes together shorten payback periods for plants that previously deferred recovery projects.

Market Restraints and Entry Barriers in the United States

Interconnection and utility tariff structures present the first barrier. Many state public utility commissions impose standby charges on on-site generation, and Public Utility Regulatory Policies Act qualifying facility rules shape how heat-to-power output can be sold to utilities. Developers in Texas must navigate ERCOT market rules, while Midwestern projects face PJM capacity pricing, which can stretch development timelines to 18 to 30 months.

Second, the prevailing wage and apprenticeship rules attached to the full Section 48 credit raise capital costs for projects that cannot meet them. Incumbent OEMs such as Siemens Energy and Babcock & Wilcox hold service contracts across installed refinery and power fleets, which limits access for new suppliers. Permitting under the Clean Air Act and state air agencies adds scrutiny to steam-generating retrofits, lengthening the path from engineering to commissioning.

Market Opportunities in the United States

Near-term opportunity concentrates in Gulf Coast refineries and petrochemical plants, where flue gas streams above 350 degrees Celsius are common. The addressable pool for Rankine bottoming retrofits across Texas and Louisiana is estimated at USD 900 million through 2028, based on sites with stable throughput and multi-decade operating horizons. Developers with EPC partners experienced in refinery tie-ins can capture this volume ahead of larger competitors.

Second, cement kilns and electric arc steel furnaces in Pennsylvania, Ohio, and Alabama offer heat for preheating, drying, and steam generation that existing equipment rarely captures. Third, low-grade heat monetization through heat pump integration with data centers in Northern Virginia and Phoenix represents a growing niche. Early movers that pair district heating agreements with local utilities will secure long-term offtake contracts.

Market at a Glance

Leading Market Participants

• Siemens Energy
• Babcock & Wilcox
• Ormat Technologies
• Baker Hughes
• Capstone Green Energy
• ElectraTherm
• Turboden
• Johnson Controls
• Honeywell
• Cummins

Regulatory and Policy Environment for Waste Heat Recovery in the United States

The Inflation Reduction Act's Section 48 credit, administered by the Internal Revenue Service and the Treasury Department, provides a 6 percent base credit that rises to 30 percent when prevailing wage and apprenticeship standards are satisfied. Air permitting falls under the Environmental Protection Agency's Clean Air Act programs, including Boiler MACT under 40 CFR Part 63 Subpart DDDDD, which governs steam-generating retrofits. The Federal Energy Regulatory Commission oversees PURPA qualifying facility status and wholesale interconnection rules.

State public utility commissions, including the Public Utility Commission of Texas and the Pennsylvania Public Utility Commission, set standby rates and interconnection terms that determine project revenue. The Department of Energy's Advanced Manufacturing Office administers technical assistance and demonstration funding. Because 2025 legislation altered several clean energy credits, buyers should confirm current Section 48 eligibility with tax counsel before committing to construction start dates.

Long-Term Outlook for Waste Heat Recovery in the United States

By 2032 the U.S. market is projected to reach USD 7.9 billion, driven by retrofit demand across refineries, chemical plants, and metals producers. Supercritical CO2 cycles and high-efficiency recuperators will gain share as early pilot systems move into commercial operation, lifting output per unit of recovered heat. Growth will concentrate in Gulf Coast and Midwest industrial corridors, where existing infrastructure and tax incentives align.

Competitive dynamics will shift toward integrated providers that combine engineering, financing, and long-term service agreements. Data center heat reuse will expand in selected markets but will not displace industrial recovery as the largest revenue pool. Policy durability remains the central uncertainty, and developers that lock in credit eligibility early will hold the strongest position through the forecast period.