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1 HP, 1.5 HP & 2 HP Water Pump Electricity Consumption In Pakistan (2026): Motor Units Per Hour, Tank Fill Time Aur Bill Bachat Formula

Pakistan mein 0.5 HP, 1 HP, 1.5 HP aur 2 HP water motor / boring pump 1 ghante me kitne unit bijli leti hai? Overhead tank bharne ka kharcha, sub-meter division aur 200 unit protected slab bachat ka mukammal hisab.

Read Meter Energy Analytics Team 2026-10-25 7 min read

Pani Ki Motor Ka Bijli Ke Bill Mein Hidden Role: Asal Units Ka Hisab

Pakistan ke taqreeban har ghar mein—chahe wo Karachi ka flat ho, Lahore ka double-story house ya Rawalpindi ka joint family compound—pani ki motor rozana chalna zaroori hoti hai. Underground water tank (zeer-e-zameen hauz) se chat (roof) par rakhi overhead water tanki mein pani charhana ho ya underground boring submersible motor chalana ho, water motor hamari zaroorat hai.

Lekin aksar sarfeen (consumers) ko yeh andaza nahi hota ke **pani ki motor bijli ke bill ko achanak kitna barha sakti hai**. Physics ki kitabon mein likha hota hai ke `1 Horsepower (HP) = 746 Watts`. Log samajhte hain ke 1 HP motor 1 ghante mein sirf 0.75 units (kWh) leti hai. Lekin jab bijli ka meter dekhte hain to wo tezi se ghoom raha hota hai!

Haqeeqat yeh hai ke induction motors ki mechanical efficiency aur power factor (cos φ) ki wajah se **1 HP motor grid se 1,000 se 1,120 Watts (1.05 se 1.12 units fi ghanta)** bijli kharch karti hai!

Is tafseeli guide mein hum live mathematical calculations ke sath samjhayenge:

0.5 HP, 0.75 HP, 1 HP, 1.5 HP aur 2 HP motor 1 ghante mein kitne unit leti hai.

1,000 Liters ka overhead tank bharne par kitne unit aur kitne rupay kharch hotay hain.

Water motor kis tarah chupke se aapka **200-Unit Protected Slab** torti hai aur bill dugna karwati hai.

Shared portion aur sub-meter par pani ki motor ka bill tenants ke darmiyan kaisay baantna chahiye.

Motor ka bill 30% se 40% foran kam karne ke 4 aasan engineering tareeqay.

1. Motor Ratings Table: Nameplate HP vs Asal Grid Wattage & Units

Induction motor chalne par magnetizing current aur mechanical friction ki wajah se additional power draw karti hai. Neechay diye gaye table mein Pakistani standard voltage (220V–230V) par actual electricity draw di gayi hai:

Motor Rating (HP)	Theoretical Output	Asal Grid Draw (Watts)	1 Ghante Ke Units (kWh)	Typical Use Case
0.5 HP	373 Watts	520 – 580 W	0.55 Units / hr	Donkey pump / shallow suction, 1 story
0.75 HP	560 Watts	750 – 820 W	0.80 Units / hr	Standard suction booster, 1-2 story
1.0 HP	746 Watts	1,000 – 1,120 W	1.05 – 1.10 Units / hr	Most common residential roof tank pump
1.5 HP	1,119 Watts	1,450 – 1,600 W	1.55 Units / hr	Deep borewell (100–200 ft), multi-story
2.0 HP	1,492 Watts	1,950 – 2,150 W	2.10 Units / hr	Deep turbine submersible, 3-4 portions

💡 **Quick Formula:**

`Daily Units = (Asal Grid Watts × Rozana Chalne Ka Time Ghanton Mein) ÷ 1000`

Example: 1 HP motor (1,050W) agar rozana 1.5 ghante chalay:

`(1050 × 1.5) ÷ 1000 = 1.575 Units / Din` ➔ **Mahana 47.25 Units**!

2. Overhead Tank Bharne Ka Hisab: Kitna Kharcha Aata Hai?

Pakistan mein standard plastic water tanks (Master, Dura, Cosmoplast) 500 se 2,000 Liters ke hotay hain. Aam taur par standard 1 HP centrifugal pump underground tank se chat tak 35 se 45 Liters fi minute flow deliver karta hai.

Worked Example: 1,000 Liters Overhead Tank

**Tank Capacity:** 1,000 Liters (~220 Gallons)

**Pump Flow Rate (1 HP):** ~35 Liters / minute (with 35–45 ft vertical head)

**Filling Time:** `1000 ÷ 35 ≈ 28.5 minutes` (taqreeban aadha ghanta)

**Units Per Fill:** `1,050W × 0.48 hours ÷ 1000 ≈ 0.50 Units (kWh)`

Har Dafa Tanki Bharne Ka Kharcha (2026 Tariffs Par):

**Protected Slab (<200 Units) par:** `0.50 Units × Rs 16.50 = Rs. 8.25 fi fill`

**Unprotected Slab (201-300 Units) par:** `0.50 Units × Rs 38.50 = Rs. 19.25 fi fill`

**Peak Hours (6 PM - 10 PM) par:** `0.50 Units × Rs 52.00 = Rs. 26.00 fi fill`

Agar ghar mein rozana 2 dafa tanki bhari jaye, to unprotected slab par sirf pani ki motor ka kharcha **Rs. 1,155 se Rs. 1,560 mahana** banta hai!

3. The 200-Unit Cliff Danger: Pani Ki Motor Bill Kaise Double Karti Hai?

NEPRA ke tariff rules ke mutabiq, 200 units tak sarfeen **Protected Category** mein hotay hain jahan per-unit rate taqreeban Rs. 12 se Rs. 18 ke darmiyan hota hai. Jaise hi aapka meter **201 units** touch karta hai:

Aap foran non-protected category mein shift ho jaatay hain jahan base tariff Rs. 38.50+ ho jata hai.

Fuel Price Adjustment (FPA), FC Surcharge aur GST 3 guna barh jatay hain.

Aur sab se shadeed qanoon: **Aap agle 6 musalsal mahinon ke liye non-protected ho jatay hain**, jab tak aap lagatar 6 maah 200 se kam units consume na karein!

The Math of Disaster:

Farz karein aapke ghar ke pankhay, lights, fridge aur TV mil kar **170 units** consume karte hain.

Aap 1.5 HP ki borewell motor rozana 1 ghanta chalate hain. 1.5 HP motor 1 ghante mein 1.55 units leti hai ➔ `1.55 × 30 = 46.5 units` mahana.

**Total Monthly Usage:** `170 + 46.5 = 216.5 Units`!

**170 Units (Protected) Bill:** Taqreeban **Rs. 2,850**

**216.5 Units (Non-Protected) Bill:** Seedha **Rs. 9,450+**!

Sirf 16.5 units 200 ki had se upar jane ki wajah se aapko **Rs. 6,600 ka izafi jhatka** lagta hai. Is nuqsaan se bachne ke liye hamara [200-Unit Protected Slab Calculator](/protected-slab-calculator) zaroor check karein.

4. Shared Water Pump Aur Tenant Sub-Meter Division Formula

Agar ek makan mein 2 ya 3 portions hain aur sab aik hi water motor use karte hain, to aksar kirayedaar (tenants) aur maalik-e-makan ke darmiyan jhagray hotay hain ke *'motor kis ne kitni der chalayi'*.

3 Insaaf Pasand Tareeqay:

**Sub-Meter Dedicated Line:** Motor ke power board ke sath Rs. 1,800 ka ek single-phase sub-meter laga dein. Mahine ke aakhir mein meter ke units ko flat ya portion count se divide karein.

**Fixed Time Allocation & Equal Split:** Dono portions ka pani bharne ka waqt fix ho (maslan 45 minute subah Ground floor, 45 minute dopahar First floor). Total monthly cost ko 50/50 baant lein.

**Per-Head / Family Member Proportion:** Agar ek portion mein 2 afraad hain aur doosre mein 6 afraad, to units ko afraad ke tanasub (ratio) se baantein.

Aap hamara free [Tenant Sub-Meter Bill Divider & Splitter](/tools/landlord-submeter-splitter) use karke direct WhatsApp invoice bana kar share kar sakte hain.

5. Pani Ki Motor Ka Bill 40% Kam Karne Ke 4 Practical Tareeqay

1. Automatic Float Switch (Auto Cut-Off Sensor) Lagayein

Aksar gharon mein tanki bharne ke baad 15 se 25 minute tak pani overflow pipe se behta rehta hai. Is se na sirf paani zaya hota hai balkay har mahine 15–20 units bijli bilkul fazool zaya hoti hai. Rs. 1,000 se Rs. 1,500 ka mechanical ya electric float switch lagane se jaise hi tanki bharegi, motor khud-b-khud band ho jayegi.

2. Shaam 6:00 PM Se 10:00 PM Ke Peak Hours Se Sakhti Se Bachein

NEPRA ke Time of Use (TOU) tariffs ke mutabiq peak hours mein bijli ki fi unit qeemat Rs. 52 se Rs. 58 tak chali jaati hai. Agar aap motor subah 7:00 baje ya dopahar 2:00 baje chalayein to wahi tanki Rs. 18 mein bharegi jo peak hours mein Rs. 30 mein bharegi.

3. Motor Ka Capacitor Check Karein (25µF / 30µF)

Agar motor purani ho gayi hai ya start letay waqt awaz karti hai aur garam hoti hai, to iska running capacitor kamzor ho chuka hota hai. Kamzor capacitor motor ko grid se 30% se 40% ziada amperes khenchne par majboor karta hai. Rs. 150 ka naya capacitor motor ki speed aur bijli ki khapat normal kar deta hai.

4. Suction Pipe Ke Air Leaks Aur Foot Valve Theek Karein

Agar underground tanki ke foot-valve mein kachra phans jaye ya suction pipe ke jor mein se hawa (air) enter ho rahi ho, to pump ka prime toot jata hai. Pump aadha ghanta chalne ke baad bhi aadha tanki bharta hai. Pipe air-tight karne se fill time aadha reh jata hai.

Summary & Free Programmatic Calculator

Apne water motor ka exact bill, tank fill time aur shared sub-meter divide karne ke liye hamara naya interactive tool istemal karein:

👉 **[Water Pump & Motor Electricity Cost Calculator](/tools/water-pump-electricity-calculator)** — Apne motor ki rating (0.5 HP se 2 HP) select karein aur foran daily & monthly bill audit hasil karein!

Doosray zaroori tools:

⚡ **[200-Unit Protected Slab Calculator](/protected-slab-calculator)** — Protected slab cliff protection.

🏢 **[Landlord & Tenant Sub-Meter Splitter](/tools/landlord-submeter-splitter)** — Sub-meter bills divide karein.

📱 **[Online Digital kWh Meter Scanner](/tools/read-digital-lcd-meter)** — Phone camera se meter reading check karein.

⚡ Apne Bijli Bill Ka Live Estimate Lagana Chahte Hain?

Hamara free 200-Unit Protected Slab Calculator aur AI Camera Scanner aap ke bijli meter ki readings ko foran track kar ke expected bill calculate karta hai.

Open Slab Calculator Scan Meter Dial

Frequently Asked Questions (FAQs)

1 HP water pump 1 ghante me kitne unit bijli leti hai?

1 Horsepower (HP) theoretical roop se 746 Watts hota hai. Lekin induction motor ki efficiency aur electrical power factor ki wajah se standard 1 HP pump grid se lagbhag 1,000 se 1,120 Watts bijli khenchta hai. Iska matlab hai ke 1 HP motor 1 ghante chalne par taqreeban 1.05 se 1.10 units (kWh) bijli kharch karti hai.

Overhead tank bharne me kitne unit aur rupay lagte hain?

1,000 Liters ka standard overhead tank 1 HP motor ke zariye bharne me taqreeban 25 se 30 minute lagte hain. Is dauran taqreeban 0.50 units bijli kharch hoti hai. Current 2026 tariffs ke hisaab se ek fill ka kharcha protected slab par Rs. 8 se Rs. 9, jabke unprotected slab par Rs. 18 se Rs. 20 aata hai.

Kya water pump chalane se protected slab toot sakta hai?

Haan! Agar aap 1 HP ki motor rozana 1.5 ghante chalate hain to yeh akele mahine ke lagbhag 48 units banati hai. Agar aapke ghar ka baaqi load 165 units par chal raha hai to yeh motor total units 213 kar degi, jis se aapka protected slab khatam ho kar agle 6 mahine ke liye bill dugna ho jayega.

Donkey pump ziada bijli khata hai ya submersible boring pump?

Submersible boring pump ki motor ziada powerful (1.5 HP se 2 HP) hoti hai kyunke usay 150-250 feet gehre bore se pani uper uthana hota hai, is liye wo 1 ghante me 1.5 se 2.1 units leti hai. Donkey pump ya shallow suction pump aam taur par 0.5 HP ya 0.75 HP ka hota hai jo 1 ghante me sirf 0.55 se 0.80 units kharch karta hai.