How do you calculate drying energy?

Multiply the dryer's connected load by its runtime to get kWh, then multiply by your electricity rate. A 12 kW oven for 8 hours uses 96 kWh, costing $11.52 at $0.12/kWh.

What is the drying energy cost per unit?

Divide total drying cost by units dried. Here $11.52 over 1,000 units is about $0.0115 per unit — useful for adding drying energy into coated-web cost per meter or per roll.

Why is drying the biggest energy user on a coating line?

Evaporating solvent or water and curing the coat demands sustained heat and high airflow. Air-impingement dryers and IR banks pull far more power than the coating head or web-handling drives.

How can I lower drying energy per unit?

Raise line speed where cure allows, recover exhaust heat, optimize coat weight so you dry only what you need, and shift long runs to off-peak windows to cut the blended rate below $0.12/kWh.

Should I use connected load or measured demand?

Connected load gives a conservative ceiling. Dryers modulate zones with line speed and coat weight, so a metered average is usually lower — use metered data for tight-margin costing.

Does line speed change drying energy?

Yes. Faster line speeds spread the oven's draw over more output, lowering cost per unit even if total kWh stays similar — re-run the calculator with the new units figure to see it.

Specialty Films, Membranes & Barrier Materials calculator

Drying Energy Calculator

Drying Energy estimates how much electricity a coating dryer or curing oven consumes and what that costs per unit of coated web. It is used by coating-line engineers and process cost analysts running solvent- or water-based coatings on specialty films, membranes, and barrier substrates. Drying is typically the single largest energy consumer on a coating line — air impingement dryers, IR banks, and heated rolls all draw heavily to drive off carrier and cure the coat. This calculator converts connected load, runtime, and your electricity rate into total energy, total cost, and a per-unit drying cost so you can cost formulations and compare drying strategies.

What this calculator does

Estimate drying energy for specialty films, membranes and barrier materials using production-ready inputs so teams can budget energy cost, compare equipment settings, or include electricity in the quote.
Use it when drying energy in specialty films, membranes and barrier materials is being quoted and energy is a real chunk of the specialty films, membranes and barrier materials cost stack.
It computes drying energy from connected load times runtime, total cost from energy times your rate, and a per-unit cost by dividing total cost by output.

Formula used

Total drying energy cost = drying energy connected load × drying energy runtime × blended electricity rate
Energy cost per kWh = total energy cost ÷ units processed during runtime

Inputs explained

Drying oven connected load:
Drying oven runtime:
Blended electricity rate:
Coated web length or rolls dried during runtime:

How to use the result

Use it when costing a coating formulation, evaluating line-speed changes, or comparing the energy of air, IR, and hybrid drying approaches.
It assumes a constant full-load draw; real dryers modulate zone-by-zone with line speed and coat weight, so meter the oven for precise costing on tight-margin work.

Current U.S. benchmarks

As of Apr 2026, industrial electricity averages 8.7 cents per kWh across the U.S. (EIA), up 5.5% from a year earlier. State averages range widely, so plants should confirm against their own tariff.
The producer price index for plastic resins and materials stands at 319.371 (BLS, May 2026), up 19.5% from a year earlier. Quotes priced off last quarter's material cost miss this move.
Global copper trades at $13,484 per tonne (IMF via FRED, May 2026), up 41.5% in a year, and U.S. industrial electricity averages 8.66 cents per kWh. Both feed electrified-hardware unit economics.

Common questions

How do you calculate drying energy? Multiply the dryer's connected load by its runtime to get kWh, then multiply by your electricity rate. A 12 kW oven for 8 hours uses 96 kWh, costing $11.52 at $0.12/kWh.
What is the drying energy cost per unit? Divide total drying cost by units dried. Here $11.52 over 1,000 units is about $0.0115 per unit — useful for adding drying energy into coated-web cost per meter or per roll.
Why is drying the biggest energy user on a coating line? Evaporating solvent or water and curing the coat demands sustained heat and high airflow. Air-impingement dryers and IR banks pull far more power than the coating head or web-handling drives.
How can I lower drying energy per unit? Raise line speed where cure allows, recover exhaust heat, optimize coat weight so you dry only what you need, and shift long runs to off-peak windows to cut the blended rate below $0.12/kWh.
Should I use connected load or measured demand? Connected load gives a conservative ceiling. Dryers modulate zones with line speed and coat weight, so a metered average is usually lower — use metered data for tight-margin costing.

Last reviewed 2026-05-12.