VEMC-Blogs

Month: August 2025

How Much Can You Save with Rooftop Solar?

by vemcoblogs -
solar EPC companies in Mumbai

As the world turns its focus towards sustainability and reducing carbon footprints, rooftop solar systems have emerged as an excellent choice to save on electricity bills while contributing to environmental conservation. But how much can you actually save by installing a rooftop solar system? Let’s explore this renewable energy solution provided by several reputed solar EPC companies in Mumbai.

Overview of Rooftop Solar Economics

Rooftop solar systems work by capturing sunlight through photovoltaic (PV) panels installed on your roof. The energy generated is used to power your home or business, reducing your dependency on grid electricity. The savings come from reduced electricity bills as you’re generating your own power instead of buying it. This leads to significant savings over time, especially when electricity prices are gradually rising. 

Here are some factors that influence how much you can save with a rooftop solar system:

  1. Monthly power bills: Switching to solar can result in savings on electricity bills. Households with high power consumption or larger businesses can save more through solar energy.
  2. Rooftop size: The size of your roof directly impacts how many solar panels can be installed. A larger rooftop allows for more panels, which can generate more electricity and lead to higher savings.
  3. Hours of sun: Areas with more sun hours per day will produce more electricity. For instance, regions like Mumbai can expect a higher return on investment compared to areas with less sunlight.
  4. Net Metering: Net metering allows you to feed excess power back into the grid. This excess energy can be credited towards your future electricity bills, thereby increasing your savings.

Example Scenarios

  • Residential savings: A typical residential installation with a 5 kW solar system can offset around 70-80% of the electricity bill. For a household with a monthly bill of ₹6,000, this could translate to savings of ₹4,000-₹5,000 per month or around ₹48,000-₹60,000 annually. Over a 25-year lifespan, this could add up to savings of over ₹12-15 lakhs.
  • Commercial savings: For businesses, the savings potential is even higher. A commercial establishment can install a solar system ranging from 20 kW to 100 kW or more. For a business with a ₹50,000 monthly electricity bill, a solar system could cut this cost by 60-80% leading to savings of ₹30,000-₹40,000 per month or ₹3.6 lakh to ₹4.8 lakh annually. Hence, businesses can save millions of rupees over a 25-year period.

Subsidy Impact on Cost

Government subsidies and incentives play a significant role in reducing the upfront cost of rooftop solar installations. This reduces the payback period and improves the return on investment, making rooftop solar a viable option for users.

Payback Comparison

The break-even point or payback period for a rooftop solar system typically ranges from 4 to 6 years. After this period, the savings generated from the solar system are essentially free. The payback period is often shorter for commercial installations compared to residential setups due to their higher electricity consumption.

Interested in saving with rooftop solar? Contact VEMC today for a free site assessment or quote to understand the potential savings for your home or business. As a leading Solar EPC company in Mumbai, we offer tailored solar EPC services to maximise your energy savings. Reach out to us on +91 8976951701, +91 9819907445, 022 43117133, or email us at marketing@vemc.co.in now. 

Why Chemical Plants Require Oil-Free Air Compressors: Standards, Safety And Cost Benefits

by vemcoblogs -
Chemical Plants Require Oil-Free Air Compressors

The chemical manufacturing industry relies heavily on compressed air for processes such as conveying, agitation, mixing, packaging, and instrumentation. In such a critical environment, even the slightest oil contamination can compromise product quality, safety, and compliance. That’s why many facilities are now shifting to oil-free air compressors, eliminating the risk at the source rather than relying solely on filtration components like an oil separator for compressor.

Below, we explore why oil-free compressors are essential for chemical plants, the relevant industry standards, and the long-term benefits they offer.

The Role of Compressed Air in Chemical Manufacturing

Compressed air powers various operations in chemical plants, from pneumatic controls and instrumentation to material conveying and packaging. In such high-stakes environments, the purity of compressed air directly impacts product safety, process efficiency, and regulatory compliance.

Risks of Oil Contamination in Chemical Processes

Oil contamination in compressed air can:

  • Alter chemical composition, causing defective batches.
  • Damage sensitive equipment, increasing downtime.
  • Lead to costly rework or product disposal.
  • Causes safety hazards if oil interacts with reactive substances.

In regulated sectors like pharma or food-grade chemicals, even a tiny oil trace can result in failed audits and loss of certifications.

ISO 8573-1 Class 0 Standards Explained

ISO 8573-1 defines the purity levels for compressed air. Class 0 is the strictest standard, allowing zero detectable oil content, both in aerosol and vapour form. Achieving this requires advanced oil-free technology that ensures absolutely clean air without relying solely on downstream filtration.

Safety Needs in Hazardous & Explosive Environments

Chemical plants often operate in hazardous areas with flammable gases and volatile compounds. Oil-free compressors eliminate the risk of oil vapor ignition, improving workplace safety and meeting stringent ATEX and other safety regulations.

Benefits of Oil-Free Compressors

  1. Contamination-Free Air: No oil in the compression process means no risk of product contamination.
  2. Lower Maintenance: Without oil carry-over, filters last longer, and piping stays cleaner, reducing service needs.
  3. Reduced Downtime: Fewer maintenance interventions mean more uptime and productivity.
  4. Regulatory Compliance: Easier adherence to ISO, GMP, and environmental safety standards.

ELGi Oil-Free Models for Chemical Plants

As one of the leading ELGi air compressor dealers, VEMC offers a range of oil-free compressors designed for critical industries. ELGi’s Class 0 certified models combine energy efficiency with robust build quality, ensuring dependable performance in demanding environments. For applications requiring maximum air purity, we also provide oil separators for compressors to enhance system reliability.

Why Choose VEMC as Your Compressor Partner

As trusted compressor dealers, we not only supply high-quality ELGi equipment but also handle installation, commissioning, preventive maintenance, and breakdown support, ensuring your system runs flawlessly from day one.

Get in Touch with our Team

Have questions or looking for consultation? Our team is here to help you with ELGi air compressors. Contact us today at +91 8976951701, +91 98199 07445 or 022 43117133. Alternatively, email marketing@vemc.co.in.

Top Government Schemes for Solar Panel Installation You Shouldn’t Miss

by vemcoblogs -
Government Schemes for Solar Panel Installation

The Government of India has set a bold target of 500 GW of renewable energy capacity by 2030. To fast-track this vision, it has enhanced several solar subsidy programmes for 2025. For homeowners, it’s a chance to slash electricity bills; for businesses, a way to cut operational costs while going green. These schemes make your solar journey not just sustainable but also financially rewarding.

Explore our Solar EPC services—our experts at VEMC ensure you secure the best benefits from these government schemes while providing end-to-end solar solutions for optimum performance and savings.

Central Government Schemes: Powering Your Home

The flagship PM Surya Ghar: Muft Bijli Yojana (launched February 2024, ₹75,021 crore outlay) targets one crore households generating free electricity through rooftop solar panels, saving families ₹15,000–₹18,000 annually.

Central Financial Assistance (CFA):

  • Up to 2 kW: ₹30,000 per kW
  • 2–3 kW: ₹18,000 per kW
  • Maximum subsidy: ₹78,000 for 3 kW+ systems

This scheme replaces the earlier MNRE Rooftop Solar Programme Phase-II.

State-Wise Incentives: Maharashtra Leads the Way

States add their own subsidies on top of central ones. Maharashtra offers an extra 25% subsidy for 1–10 kW residential systems under the Majhatma Jyotirao Phule Jan Awas Yojana (MJPMJAY), capped at ₹1 lakh. Combined with the central scheme, this can cover 30–60% of installation costs, with payback in 4–6 years.

Net Metering Policies: Selling Your Surplus Power

Net metering lets you consume your own solar power first, with excess fed back to the grid as credits. In Maharashtra, MSEDCL provides and installs the bi-directional meter at no cost, with agreements typically lasting 20 years.

Capital Subsidy: Direct Financial Relief

The Central Financial Assistance (CFA) acts as a direct capital subsidy, significantly lowering the initial investment. For residential rooftop solar, this can cover up to 40% of the benchmark cost. Once your system is commissioned and approved, the subsidy is directly transferred to your bank account, usually within 30 days. This direct and efficient disbursement mechanism makes solar energy financially accessible to more households.

How to Apply for These Schemes

The application process has been streamlined through the official National Portal for Rooftop Solar: https://pmsuryaghar.gov.in/. A dedicated mobile app, “PM – SURYA GHAR: MUFT BIJLI YOJANA,” is also available.

Here’s a simplified guide:

  1. Register – Choose your state/DISCOM and provide basic details.
  2. Apply – Submit the online form.
  3. Approval – Wait for DISCOM feasibility clearance.
  4. Install – Use empanelled vendors and MNRE-approved equipment.
  5. Net Metering & Inspection – DISCOM verifies the setup.
  6. Receive Subsidy – Funds are transferred directly to your account.

Eligibility and Documentation Needed

To be eligible for the PM Surya Ghar scheme, you must be an Indian citizen, own a house with a suitable roof, have a valid electricity connection in your name, and not have previously received a central government solar subsidy.

Commonly required documents include:

  • Proof of Identity (e.g., Aadhaar Card, Voter ID)
  • Proof of Address
  • Latest Electricity Bill
  • Roof Ownership Certificate/Proof
  • Bank Account Details (for subsidy disbursement)

Your Solar Journey Starts Now

The Indian government’s robust support makes going solar more accessible and rewarding than ever. By leveraging these schemes, you can significantly reduce your electricity bills, contribute to a greener environment, and even increase your property value.

Get in Touch with our Team 

Have questions or looking for consultation? As a leading solar EPC company in Mumbai, our team is here to help you with end-to-end solar services. Contact us today at +91 8976951701, +91 98199 07445 or 022 43117133. Alternatively, you can also email marketing@vemc.co.in.

5 Reasons to Choose Kirloskar SHM for Municipal Waste Handling

by vemcoblogs -
Choose Kirloskar SHM for Municipal Waste Handling

Efficient municipal waste handling is vital to maintaining hygiene, public health, and environmental safety in urban areas. From sewage treatment plants to drainage pumping stations, the right pumping solution can mean the difference between smooth operations and frequent breakdowns. Kirloskar’s SHM series has been engineered to tackle the toughest waste-handling tasks, combining durability, efficiency, and solid-handling capabilities. As a trusted Kirloskar pump distributor, VEMC continues to set the benchmark for performance and reliability.

Challenges in Pumping Municipal Waste/Sewage

Municipal waste handling is no small task. Wastewater and sewage often contain a mix of solids, grit, rags, and other debris that can strain conventional pumping systems. Frequent clogging, wear and tear, and high maintenance needs can lead to costly downtime—making the choice of pump critical for uninterrupted operations.

Why Solid Handling is Critical

Municipal sewage is rarely free-flowing liquid; it contains suspended solids of varying sizes and textures. If not handled properly, these can clog pumps, damage impellers, and reduce efficiency. A purpose-built solid handling pump ensures smooth transfer of such challenging media while minimising the risk of breakdowns.

Key Features of Kirloskar SHM

  1. Non-Clog Impeller Designed to handle large solids without blockage, the non-clog impeller helps maintain consistent flow rates even with debris-laden wastewater.
  2. Wide Passage for Solids The SHM series is engineered with wide passages that allow for the smooth passage of solids, reducing the risk of jamming and enhancing reliability.
  3. Robust Build Built with high-grade materials, Kirloskar SHM pumps can withstand the abrasive nature of sewage and industrial waste, ensuring long service life.
  4. Easy Maintenance The design allows for convenient inspection and servicing, reducing downtime and lowering long-term maintenance costs.
  5. Energy Efficient With optimised hydraulics and motor performance, the SHM delivers high efficiency, keeping energy costs under control for municipalities and industries alike.

Typical SHM Applications

  • Sewage Treatment Plants (STPs) – Efficient handling of raw sewage and return sludge.
  • Drainage Pumping Stations – Reliable operation during heavy inflow or storm events.
  • Sludge Transfer – Smooth and consistent pumping of thick sludge without clogging.

Whether you are searching for kirloskar pump dealers near me, looking for a trusted Kirloskar dealer in Mumbai, VEMC brings decades of experience and technical expertise to guide you to the right solution.

Explore the Kirloskar SHM range here and enquire today at +91 8976951701, +91 98199 07445, 022 43436655, 022 43117133 or email marketing@vemc.co.in to upgrade your municipal waste handling with proven performance.

How To Check Oil Capacity for ELGi Screw Air Compressors

by vemcoblogs -
Oil Capacity for ELGi Screw Air Compressors

The correct oil capacity and maintenance practices heavily influence the performance and longevity of your ELGi screw air compressors. Maintaining the right oil level ensures optimal operation, reduces wear and tear, and extends the service life of the compressor. Let’s know how to check the oil capacity, why it’s essential, and how to maintain the ideal oil levels for your ELGi screw air compressor.

Importance of Correct Oil Capacity for Optimal Performance

The oil in your ELGi screw air compressor plays a crucial role in lubricating internal components, cooling the system, and preventing rust and corrosion. Ensuring that your compressor has the correct oil capacity not only optimises performance but also helps avoid costly repairs and downtime.

Where to Find Oil Capacity Information

  1. User manual: The user manual typically provides the specifications for your specific compressor model.
  2. Model plate: The model plate on the compressor, usually located on the body of the unit, also provides important technical details, including oil capacity.
  3. Service chart: Many ELGi air compressor dealers offer a service chart or technical datasheet that includes detailed specifications for different models.

Standard Oil Capacity Range by Model

The oil capacity of ELGi screw air compressors varies depending on the model and its intended use. However, most models fall within a standard range. ELGi EG series has an oil capacity ranging from 7 to 10 litres. On the other hand, ELGi BL series has an oil capacity that might range from 4 to 6 litres for smaller industrial applications. Meanwhile, the ELGi ESM series are larger models designed for strenuous applications that have oil capacities ranging from 12 to 20 litres.

Checking Oil Levels

Many ELGi compressors are equipped with a sight glass window which allows you to visually monitor the oil level. The oil should be within the specified range marked on the sight glass. If the oil level is low, top up with the recommended oil. For models with a dipstick, remove the dipstick, wipe it clean, then reinsert it into the oil fill opening. Remove the dipstick again and check the oil level against the marks indicated on it. If it’s below the recommended level, add oil until the correct level is reached.

Maintenance Tips

  1. Oil change Intervals: Regular oil changes are essential for maintaining compressor performance. For most ELGi compressors, it’s recommended to change the oil every 1,000 to 2,000 hours of operation depending on the usage conditions.
  2. Use ELGi recommended oil grades: Opt for the oil grade recommended by ELGi. Using the right oil ensures compatibility with your compressor and enhances its performance.
  3. Monitor oil quality: Over time, oil can break down and lose its effectiveness. Check for signs of contamination or deterioration such as excessive sludge or changes in colour regularly. 

Regular checks and timely oil changes will ensure that your compressor continues to operate smoothly, preventing costly breakdowns and extending its service life. As a trusted ELGi air compressor dealer, VEMC offers a wide range of air compressors and related services. Reach out to our dedicated team of experts on +91 8976951701, +91 9819907445, 022 43117133, or email us at marketing@vemc.co.in for product recommendations, maintenance tips, and more.

Solar Payback Calculator – How It Works and What It Tells You

by vemcoblogs -
Solar Payback Calculator

Installing a solar energy system is a significant investment—but one that promises long-term savings. A key metric that helps determine whether it’s worth it is the solar payback period. And that’s exactly what a solar payback calculator helps you estimate.

What Is a Solar Payback Period?

Simply put, the solar payback period is the time it takes for your solar system to “pay for itself”—that is, the number of years it will take for your energy savings to equal the total installation cost. Once this point is reached, any further savings go directly into your pocket as profit.

The Basic Formula

The payback period is calculated using the formula:

Payback Period = Total System Cost ÷ Annual Savings

For example, if your total system cost is ₹3,00,000 and your annual electricity savings amount to ₹50,000, your payback period would be 6 years.

Key Factors That Influence the Payback Period

Several elements determine how long your payback period will be:

  • Installation Cost: Includes the cost of solar panels, inverters, mounting, wiring, and labour. Lower installation costs lead to quicker payback.
  • Electricity Tariff: If your electricity rates are high, your savings from switching to solar will also be high, reducing the payback time.
  • System Size: A larger system typically generates more electricity, leading to greater savings—but it also costs more upfront.
  • Government Subsidy: Central and state subsidies can reduce your upfront investment significantly, speeding up the return on investment.

How Net Metering Affects Savings

With net metering, any excess electricity your system generates is fed back into the grid, and you receive credits in return. This can drastically reduce your monthly electricity bills, enhancing your savings and shortening the payback period.

Typical Payback Periods in India

In India, the average payback period for a solar system ranges between 5 to 7 years, particularly when subsidies are applied. This can vary slightly based on your location, system size, and usage pattern.

How to Use a Solar Payback Calculator

Using a payback calculator is simple:

  1. Enter your system’s total cost (minus subsidies).
  2. Input your average monthly electricity bill.
  3. Provide system size and your location.
  4. Indicate if you benefit from net metering.
  5. The calculator will estimate your annual savings and payback time.

Want a More Accurate Estimate?

As a trusted solar EPC company in Mumbai, VEMC Solar offers expert consultations to help you understand your return on investment better. Whether you’re exploring options or ready to install, our solar EPC services are designed to support you at every stage.

Get in touch with one of the most reliable solar EPC companies in India and calculate your savings today. Reach out to us at  +91 8976951701, +91 98199 07445, 022 43436655, 022 43117133 or email marketing@vemc.co.in

Top 6 Types of Process Pumps Offered by Kirloskar

by vemcoblogs -
Process Pumps Offered by Kirloskar

When it comes to moving fluids efficiently and reliably in industrial operations, the right pump makes all the difference. From processing chemicals to handling wastewater, process pumps are the quiet workhorses behind countless industries. And when you think of quality and dependability in this space, Kirloskar is a name that stands tall.

As one of the leading Kirloskar pump dealers in Mumbai, VEMC offers a wide range of Kirloskar process pumps that cater to diverse applications. Let’s look at six popular types and how they’re keeping industries running smoothly.

1. End Suction Pumps – Reliable All-Rounders

Models like KPD and DBxe are widely used for their simplicity, efficiency, and ease of maintenance. End suction pumps are perfect for applications requiring steady flow at moderate pressure—think water supply, cooling towers, and irrigation.

 Key benefits:

  • Compact, space-saving design
  • Easy to install and service
  • Energy-efficient operation

If you’re searching for Kirloskar pump dealers, these models are a solid choice for general-purpose needs.

2. Solid Handling Pumps – Built for Tough Jobs

Kirloskar’s Solid Handling Pumps are designed to handle fluids containing solids, making them indispensable in sewage treatment plants, sugar mills, and paper industries.

 Key benefits:

  • Robust construction to handle abrasive or viscous fluids
  • Minimal clogging design
  • Long service life under heavy-duty use

3. Multistage Pumps – For High-Pressure Applications

When operations call for high pressure like boiler feed, mine dewatering, or high-rise water supply, Kirloskar’s multistage pumps deliver. Multiple impellers in series allow them to generate the pressure needed without compromising efficiency.

 Key benefits:

  • High head delivery
  • Energy-efficient performance
  • Suitable for continuous duty

4. Vertical Turbine Pumps – Deep Water Specialists

These are ideal for drawing water from deep wells, reservoirs, or rivers, making them a favourite in power plants, irrigation, and municipal water supply.

 Key benefits:

  • Handles large capacities efficiently
  • Durable in demanding environments
  • Easy to adapt for varied site conditions

5. Slurry Pumps – Handling Abrasive Mixtures

Mining, mineral processing, and dredging operations often deal with slurry, mixtures of water and solid particles. Kirloskar slurry pumps are engineered to handle these with minimal wear.

Key benefits:

  • High wear-resistant materials
  • Designed for longer uptime
  • Can handle varying particle sizes

6. Chemical Process Pumps – For Corrosive Environments

In industries like chemicals, pharmaceuticals, and refineries, fluid compatibility is crucial. Kirloskar’s chemical process pumps are built with corrosion-resistant materials to ensure safe, reliable transfer.

 Key benefits:

  • Wide range of material options
  • Meets industry safety standards
  • Handles aggressive fluids with ease

Industries That Rely on Kirloskar Process Pumps

From oil and gas and chemical processing to waste treatment and municipal water supply, Kirloskar process pumps are trusted across sectors for their performance, durability, and efficiency. As a Kirloskar pump distributor, VEMC helps match the right pump to your exact needs.

The Takeaway

The right process pump can make or break operational efficiency. With Kirloskar’s proven engineering and VEMC’s decades of experience as trusted Kirloskar pump dealers in Mumbai, you’re assured of getting the best solution for your application.

For expert support, reach out to us at +91 8976951701 | +91 98199 07445 | 022 43436655 | 022 43117133 or email us at marketing@vemc.co.in.

6 Key Parameters in a Pump Curve You Must Understand

by vemcoblogs -
Pump Curve

If you’ve ever tried selecting an industrial pump without understanding its performance curve, you’re essentially working blind. A pump performance curve is your roadmap; it tells you exactly how a pump will behave under different operating conditions. For plant engineers and OEMs, reading these curves correctly can mean the difference between smooth operations and costly inefficiencies.

As trusted pump manufacturers and APOEM suppliers, VEMC works closely with clients to simplify this process. Here’s a breakdown of the six most important parameters on a pump curve and why they matter.

1. Flow Rate (Q) – The Pump’s Output

Measured in cubic metres per hour (m³/h) or litres per second (l/s), the flow rate shows how much liquid the pump can move over time. It’s one of the first things you check to ensure the pump meets your process requirements. Too little flow, and your operations slow down; too much, and you waste energy.

2. Head (H) – How High It Can Go

Head is the vertical height the pump can lift water, expressed in metres. Think of it as the pump’s “muscle” against gravity and system resistance. Kirloskar pumps, for example, display a clear head vs. flow curve so you know exactly what to expect for your site conditions.

3. Efficiency (%) – Finding the Sweet Spot

Every pump has a Best Efficiency Point (BEP), the flow rate and head at which it operates most efficiently. Running close to this point reduces energy use, vibration, and wear. Oversizing a pump often means you operate far from the BEP, wasting power and shortening pump life.

4. Power (kW) – The Energy It Needs

The power curve shows the input energy (in kilowatts) your pump requires at different flow rates. Knowing this helps you size your motor correctly and avoid overloads.

5. NPSH – Protecting Against Cavitation

Net Positive Suction Head (NPSH) is crucial for preventing cavitation – those destructive vapour bubbles that damage impellers. Pump curves list NPSH required, so you can compare it against your system’s NPSH available before making a selection.

6. Pump Speed (RPM) – The Performance Shifter

Pump performance changes with speed. A higher RPM can increase head and flow, but may also raise power consumption. Adjustable speed can give you flexibility for varying process needs.

Why It Matters in the Real World

Take a Kirloskar process pump curve: by checking head, flow rate, efficiency, and NPSH together, you can determine the exact model and operating point that keeps your plant running efficiently. This is how you avoid oversizing, underperformance, and unplanned downtime.

If you need a refresher, our pump selection services help OEMs and plant teams diagnose inefficiencies and match pumps to actual system requirements. You can also explore our complete Kirloskar pump range here.

The Takeaway

At VEMC, we’ve been guiding plant engineers and OEMs for decades as trusted pump manufacturers and APOEM suppliers. Whether you need help with selection, diagnostics, or upgrades, we’re here to make your pumping systems work harder for you.

For expert support, reach out to us at +91 8976951701 | +91 98199 07445 | 022 43436655 | 022 43117133 or email us at marketing@vemc.co.in.