MANY MINDEDOff-grid renewables could cover a third of US industrial heat by 2035
University of California, Berkeley researchers have released a paper finding that off-grid renewable-powered systems could economically supply up to one-third of US industrial heat demand by 2035. The analysis drew on site-specific data across more than 3,000 industrial facilities and compared the cost of delivered heat across low, medium, and high temperature ranges.
The mechanism is on-site wind and solar paired with industrial heat pumps and thermal energy storage. Heat pumps came out as the most cost-effective clean option for low-temperature processes under 200 degrees Celsius, while thermal batteries were competitive or cheaper for high-temperature processes. California and parts of the northeast looked especially viable. About 27% of total heat demand, however, sits in facilities \u2014 often urban \u2014 that lack enough local renewable potential.
Industrial heat is one of the least-addressed pieces of decarbonization, and the sector accounts for a large share of US emissions. If a third of that demand can be met economically with on-site clean systems, it shifts industrial energy from a bought commodity toward self-generated supply, cutting both fuel costs and emissions for the plants that qualify.
The findings are projections from economic modeling, and the paper has not been peer reviewed. The authors themselves flag reliability concerns, investment and timeline considerations, and physical space limitations as adoption barriers. Watch whether follow-on work survives peer review and whether early adopters in the favorable regions actually build these systems.
Source: Utility Dive