A neighborhood bakery in Amsterdam saw their monthly energy bill jump from €1,200 to €2,100 within six months. Their cost calculations hadn't changed, but profits were vanishing. Energy costs fluctuate dramatically - what worked last year might kill your margins today.
Why energy costs as a variable item?
Everything in your bakery runs on energy. Ovens blast at 200°C for hours, cooling systems work overtime, mixers churn constantly. Energy prices don't stay put - they swing wildly based on market conditions, seasons, and supply disruptions.
What represented 4% of revenue last year could easily hit 7% this year. And many bakers don't realize it until it's too late.
⚠️ Note:
Most bakers still use energy rates from before the crisis. Check your actual costs per kWh and m³ of gas - they're probably much higher than you think.
Calculate your energy costs per product
You need precise numbers, not guesswork. Track energy consumption systematically through these three steps:
- Record total daily energy consumption
- Break it down across production hours
- Assign energy usage to each product type
💡 Example calculation bread:
Daily energy costs for medium bakery:
- Electricity: 150 kWh × €0.35 = €52.50
- Gas: 80 m³ × €1.20 = €96.00
- Total daily energy: €148.50
- Daily production: 500 loaves
Energy cost per loaf: €148.50 ÷ 500 = €0.30
Different calculation methods
Choose the method that fits your operation and accuracy needs. After managing kitchen operations for nearly a decade, I've seen each approach work depending on the bakery's size and complexity.
Method 1: Percentage of revenue
Simple but not always accurate. Calculate energy as a fixed percentage of selling price - typically 5-8% for most bakeries.
💡 Example percentage method:
White bread selling at €2.50 (excl. VAT: €2.29)
- At 6% energy allocation: €2.29 × 0.06 = €0.14
- Add to total cost structure
Method 2: Fixed costs per product
More accurate but requires detailed tracking. Calculate exact energy consumption based on baking time, oven temperature, and equipment usage.
Method 3: Variable costs per production day
Most responsive to market changes. Update energy costs monthly based on actual consumption and current rates.
Seasonal adjustments
Energy consumption isn't constant year-round. Winter heating and summer cooling create predictable cost spikes you can plan for.
- Winter months: Gas costs jump 20-30% due to heating
- Summer period: Electricity rises 15-25% from cooling systems
- Holiday seasons: Extended hours mean higher overall consumption
💡 Practical seasonal adjustment:
Bakery adjusts quarterly:
- Spring/autumn: €0.28 per loaf
- Winter months: €0.35 per loaf (25% increase)
- Summer period: €0.32 per loaf (14% increase)
This prevents margin erosion from outdated calculations.
Implementation in your cost price calculation
Treat energy as a distinct cost component, not buried in overhead. Make it visible so you can track and adjust when needed.
Complete cost formula:
Total Cost = Ingredients + Labor + Energy + Other Expenses
⚠️ Note:
Review energy rates every 3 months minimum. Prices shift rapidly and can devastate margins before you notice the impact.
Digital tools for energy cost management
Manual tracking eats up valuable time you should spend baking. Modern systems streamline this process significantly:
- Automatic energy cost tracking per product
- Built-in seasonal adjustment features
- Real-time cost price updates based on rate changes
This prevents months of operating with outdated calculations that slowly drain your profits.
How do you calculate energy costs per product? (step by step)
Gather your energy data
Note your monthly electricity and gas consumption from the last 3 months. Check your energy bill for current rates per kWh and m³. Also include fixed costs (grid management, taxes) - they're part of your actual energy costs.
Calculate daily energy costs
Divide your monthly energy costs by the number of production days. Only count days you actually bake. Weekends and closed days don't count toward production costs.
Divide across your production
Divide your daily energy costs by the number of products you make. For different products you can weight them: bread that bakes for 45 minutes uses more energy than cookies that bake for 12 minutes.
✨ Pro tip
Track your energy meter readings every 2 weeks and calculate consumption per loaf produced. If energy per unit increases without production changes, you likely have equipment running inefficiently and wasting €200-500 monthly.
Calculate this yourself?
In the KitchenNmbrs app you can do this in just a few clicks. 7 days free, no credit card.
Was this article helpful?
Frequently asked questions
Should I include energy costs in my food cost percentage?
No, keep energy separate from food costs. Food cost only covers ingredients. Energy belongs in your total cost structure alongside labor and overhead.
How often should I adjust my energy costs?
Every 3 months at minimum, or immediately after major rate changes. With variable contracts, check monthly. Energy prices shift fast and can silently erode margins.
What if my energy costs suddenly spike 40%?
Adjust cost calculations immediately and evaluate if current selling prices still work. You can't always pass through large increases - look for energy-saving equipment or process improvements instead.
Are energy costs of 8% of revenue normal for bakeries?
Yes, 5-8% is typical depending on your product mix. High-temperature baking (artisan breads, pizza) pushes toward 8%. Cold preparations (decorated cakes, salads) stay closer to 5%.
📚 Sources consulted
- EU Verordening 852/2004 — Levensmiddelenhygiëne (2004) — Official source
- EU Verordening 853/2004 — Hygiënevoorschriften voor levensmiddelen van dierlijke oorsprong (2004) — Official source
- EU Verordening 1169/2011 — Voedselinformatie aan consumenten (2011) — Official source
- NVWA — Hygiënecode voor de horeca (2024) — Official source
- NVWA — Allergenen in voedsel (2024) — Official source
- Codex Alimentarius — International Food Standards (2024) — Official source
- FSA — Safer food, better business (HACCP) (2024) — Official source
- BVL — Lebensmittelhygiene (HACCP) (2024) — Official source
- Warenwetbesluit Bereiding en behandeling van levensmiddelen (2024) — Official source
- WHO — Foodborne diseases estimates (2024) — Official source
Food Standards Agency (FSA) — https://www.food.gov.uk
The HACCP standards shown in this application are for informational purposes only. KitchenNmbrs does not guarantee that displayed values are current or complete. Always consult the FSA or your local authority for the latest regulations.
Written by
Jeffrey Smit
Founder & CEO of KitchenNmbrs
Jeffrey Smit built KitchenNmbrs from 8 years of hands-on experience as kitchen manager at 1NUL8 Group in Rotterdam. His mission: give every restaurant owner control over food cost.
Selling food? Then you need KitchenNmbrs
Whether you run a restaurant, food truck, catering company, or meal kit business — you need to know what each dish costs. KitchenNmbrs gives you that insight. Start your free trial.
Start free trial →