Industrial Electric Furnace Energy Efficiency Benchmark Standards Issued as High-Temperature Industries Face Mounting Energy Pressure

In January 2026, the National Development and Reform Commission and other departments issued a notice setting energy efficiency benchmark levels and access requirements for key energy-consuming products and equipment, bringing industrial furnaces and kilns and other high-energy-consuming equipment into a finer-grained energy constraint framework. Before that, several departments had already issued a dense series of documents on efficiency improvement and carbon emissions management. For high-temperature industries such as glass, ceramics and metallurgy, energy efficiency is no longer just a cost line item but is gradually becoming a hard indicator tied to production permits and retrofit investment.

What the benchmark mechanism means

Unlike earlier energy management that leaned on averages, the benchmark mechanism draws two lines at once: equipment and lines below the access level face pressure to retrofit within a deadline, while those reaching the benchmark level receive policy incentives. This tiered approach pins energy-saving responsibility on every individual furnace. As a large continuous energy user, a glass melting furnace has its energy consumption per unit of product shaped jointly by the melting process, waste heat recovery and insulation level, and a shortfall in any one of them shows up in the assessment.

• Access line: lines that miss the efficiency standard are required to set a retrofit timetable;
• Benchmark line: companies reaching the advanced level receive differentiated policy support;
• Accounting line: energy measurement moves from rough plant-level allocation to fine process-level accounting;
• Inspection line: energy-saving inspections become routine, with more scrutiny on data accuracy.

The energy-saving ledger for electric heating technology

On the list of options for furnace energy saving, raising the share of electric melting and heating is being reassessed by more and more companies. With molybdenum electrodes, the energy from conductive heating acts directly inside the glass melt, and thermal efficiency is markedly higher than flame heating that transfers heat through furnace gases; electric boosting with molybdenum electrodes can also adjust power quickly when pull rate fluctuates, and running on off-peak electricity can optimize power costs. The energy account must of course be complete: transformer losses, electrode life and the amortized cost of replacement shutdowns all affect the final return, and the selection and maintenance quality of the electrode system determine whether the numbers come out positive.

Outlook

The release of efficiency benchmarks is only a starting point; the standards and accounting system will keep tightening. It is foreseeable that energy-saving retrofits of industrial furnaces will move from single-point equipment replacement toward systematic optimization of the thermal regime, electrode configuration and energy management. For every participant in high-temperature industry, squeezing melting efficiency out of every kilowatt-hour is how to build up chips for the next round of competition. Under the benchmark mechanism, melting power consumption per tonne of glass is a hard indicator, and the electrode's conductive efficiency and life stability bear directly on that number; only electrode packages that understand furnace thermal engineering can truly convert electric energy into effective melting capacity, and only those will attract more favor in the next round of energy-saving retrofits.