PowerCalc GH - ECG Units

Free. No login. Works offline. Just enter your credit and your appliances see exactly how long your ECG units will last.

Ever bought ₵100 of ECG units and watched them vanish in 3 days with no idea why?PowerCalc GH tells you exactly how long your prepaid electricity credit will last, based on the real appliances in your home.HOW IT WORKSEnter how much credit you bought (₵20, ₵50, ₵100, or any amount)
Tap the appliances you use fridge, fan, AC, TV, iron, and more
See instantly: "Your ₵100 will last 6 days 4 hours"

That's it. No sign-up. No internet needed. Works offline.BUILT FOR GHANAUses the latest PURC-approved electricity tariffs (updated every quarter).
25+ appliances with Ghana-realistic defaults fridge set for dumsor hours, fans set for our heat, not Western defaults.
Shows which appliance costs the most per day.
"What if" calculator see how many extra days you gain by turning off the AC.
Supports Residential, Lifeline, and Business tariff types.

WHAT MAKES THIS DIFFERENT FROM PURC'S APPPURC's official Tariff Reckoner tells you your monthly bill. PowerCalc GH answers the question you actually ask: "How long will my ₵50 last?"It's the difference between knowing your fuel tank capacity and knowing how many kilometres you can drive right now.FEATURESCALCULATOR Enter any credit amount quick buttons for ₵20, ₵50, ₵100, ₵200, ₵500.
Choose your customer type: Residential, Lifeline, or Business.
Real tiered tariff calculation (lifeline band, standard band).
ECG service charge automatically deducted.

APPLIANCES 25+ appliances: LED bulbs, fans, AC, fridge, freezer, TV, iron, rice cooker, kettle, washing machine, water pump, laptop, and more.
Adjust hours per day with a simple slider.
Change quantity (2 fans? 4 bulbs?).
Override wattage if you know your appliance's actual label.

BREAKDOWN See cost per appliance per day.
Bar chart showing which appliance takes the biggest share.
"Turn off the AC → gain 3 more days" suggestions.
Energy-saving tip for your biggest electricity drain.

HISTORY Save every top-up to track your actual usage.
Mark when units run out compare estimate vs actual.
See your average daily spend, total spent, and estimate accuracy.

TIPS Ghana-specific energy saving tips for cooling, kitchen, lighting, and devices.
Each tip shows estimated monthly savings in ₵.

TARIFF ACCURACYRates are sourced from official PURC announcements and updated quarterly after each Automatic Adjustment Formula (AAF) review.

PowerCalc GH is independent and not affiliated with PURC or ECG.PRIVACYNo account. No data uploaded. Everything stays on your phone.

Your appliance setup and history never leave your device.Built in Ghana, for Ghana. If PowerCalc GH saves you money, consider buying the developer a coffee.