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Solar for Deep Freezers: Cold Drinks, Pure Water and Frozen Food Sellers

How to run deep freezers on solar for a cold-drink, sachet water or frozen food business in Port Harcourt, Warri and Yenagoa. System size, costs and payback.

By LumaGrid Solar, Port Harcourt·5 min read·
Trader selling pepper at a Nigerian market
Photo: Omotayo Tajudeen on Unsplash

"Ice block" and cold-drink sellers across Port Harcourt, Warri and Yenagoa run generators every day. Solar can keep your freezers cold and your money in your pocket.

How much power freezers use

FreezersDaily energy (about)Night battery (usable)
11–2kWhAbout 1kWh
22–4kWhAbout 2kWh
44–8kWhAbout 4kWh

Typical systems

BusinessSuggested system
1 freezer + lights3kVA, 5kWh lithium, 4 panels
2 freezers + lights + fan3kVA–5kVA, 5kWh lithium, 5–6 panels
4 freezers + lights5kVA–6kVA, 8kWh+ lithium, 8+ panels

Payback example

A shop runs a petrol generator 8 hours a day for its freezers. At about ₦1,500 per litre, that can be ₦360,000 a month. A ₦3M system pays back in about 8 months.

Tips

  1. Keep freezers full.
  2. Keep them in the shade.
  3. Check door seals.
  4. Replace very old freezers.

Read solar freezer vs normal freezer and solar ROI for businesses.

Frequently asked questions

How many freezers can a 5kVA solar system run?

Usually two to four medium freezers, if the battery and panels are sized for their day and night use.

Can solar keep drinks cold enough to sell?

Yes. A correctly sized system keeps freezers at normal temperature day and night.

What if the weather is cloudy?

A hybrid inverter can use grid or generator power to top up the battery on very cloudy days. Bigger panel arrays also help.

Want a system sized for your home?

Tell us your state, area, building type and what you want to power. We reply on WhatsApp with a recommendation and book a free site assessment anywhere in Rivers, Delta or Bayelsa.

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A simple way for shops, offices and factories in Port Harcourt, Warri and Yenagoa to calculate solar payback and return on investment from their generator and grid costs.

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Tell us your area, building type and what you want to power. We reply on WhatsApp with a recommendation and book a free site assessment.

Call +234 705 949 7792