Energy Academy
Sector: Food Manufacturing/Energy Management in Food Manufacturing
Sector17 lessons · 175 min

Energy Management in Food Manufacturing

How a food factory uses energy line by line, specific energy per tonne and the hygiene loads that set the floor, the CCA and compliance landscape, and the heat-recovery and refrigeration opportunities the sector reliably offers: capped with a full factory energy audit.

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01The Food Factory & Where Energy Goes

  1. ▶The Food Factory, Line by LineIntake to despatch: how cook, chill and clean shape a food factory's day, and why its three energy centres are heat, cold and hot water.10 min
  2. ▶Cooking, Baking & Process HeatOvens, fryers, retorts and pasteurisers: where the thermal energy goes, and why regeneration makes pasteurisation astonishingly cheap when it's designed in.10 min
  3. ▶Chilling, Freezing & Cold StorageBlast and spiral freezers, the latent heat hiding in every tonne of product, and why freezing costs so much more than chilling.10 min
  4. ▶Fundamentals CheckQuiz on the food factory's process flow and its heating and freezing loads.5 min

02Energy Use, Benchmarks & Hygiene Loads

  1. ▶Specific Energy: kWh per Tonne of ProductNormalising by production, why cross-subsector comparisons mislead, and building the per-tonne baseline that makes a factory's performance measurable.10 min
  2. ▶Hygiene: CIP, Washdown & Hot WaterThe nightly clean is a hidden utility: quantifying washdown hot water, and where hygiene rules leave room for efficiency.10 min
  3. ▶Compressed Air, Vacuum & Packaging LinesThe electrical loads around the process: pneumatics, vacuum packing, conveyors and the packaging hall's quiet consumption.9 min
  4. ▶Benchmarks & Hygiene CheckQuiz on specific energy, washdown loads and site utilities.5 min

03Regulation & Compliance

  1. ▶Food Safety Sets the FloorHACCP cook and chill limits are not energy variables: where the hard floors are, and where genuine flexibility hides.9 min
  2. ▶Climate Change Agreements, ESOS & SECRThe CCA scheme running to 2033, the CCL discount it buys, and how the reporting schemes land on a food business.10 min
  3. ▶Trade Effluent, Water & Fat Down the DrainWhy food effluent is expensive, what fats and product losses do to the bill, and the water-energy link in every washdown.9 min
  4. ▶Regulation & Compliance CheckQuiz on HACCP floors, the CCA scheme and effluent costs.5 min

04Efficiency Opportunities in Practice

  1. ▶Heat Recovery in a Food FactoryThe refrigeration plant rejects heat all day while gas heats washdown water every night: connecting the two, and the other recovery pairings worth checking.11 min
  2. ▶Running the Cold Plant WellSuction and head pressure, defrost on demand, door discipline and the operating habits that decide a freezer hall's bill.10 min
  3. ▶Hands-On: Two Quick DiagnosticsTwo short factory call-outs: washdown water heated by gas while the refrigeration plant throws heat away, and a freezer defrosting on a timer nobody questioned. Calculate, diagnose and prescribe the fix.12 min
  4. ▶Efficiency in Practice CheckQuiz on heat recovery pairings and cold-plant operating habits.5 min

05Capstone Project

  1. ▶Capstone: Audit a Food FactoryA full, staged energy audit of a fictional chilled ready-meals factory: scope it, walk the lines, build the production-and-weather model, and rank what you find.35 min