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Group Metering Simplified: Understanding Virtual Net Metering

Harnessing the Power of Unity through Virtual Net Metering

In the ever-evolving world of solar energy, a groundbreaking concept is taking center stage – Virtual Net Metering (VNM). Imagine a scenario where your solar investment isn't just a solitary endeavor but a collective triumph. This is the essence of Virtual Net Metering – a solution that symbolizes collaboration, sustainability, and efficiency. For those living in multi-tenant buildings, participating in community solar projects, or simply looking for a more inclusive way to approach solar energy, VNM is a beacon of hope and practicality.

But what exactly is Virtual Net Metering, and how does it redefine the landscape of solar energy for communities? In this comprehensive guide, we'll unravel the intricacies of VNM, explore its profound benefits, and illustrate how it’s paving the way for a more sustainable and interconnected future. Whether you’re a homeowner, a business owner, or a curious enthusiast, understanding Virtual Net Metering is stepping into a brighter, more collaborative solar era.

Join us as we delve into the world of Virtual Net Metering – where solar isn't just about individual panels on rooftops but about creating a tapestry of renewable energy that powers entire communities.

Virtual net metering concept

Understanding Virtual Net Metering: The Game Changer in Solar Energy

So, let's get right into it: What exactly is Virtual Net Metering? You might have heard the term thrown around in solar energy discussions, but it's time to really grasp what it means and why it's such a big deal.

Picture this: Normally, when you install solar panels on your roof, the electricity they generate is used to power your home. Any excess power is sent back to the grid, and you get credited for it through a process called net metering. This is great, but it's pretty much a solo journey. Now, enter Virtual Net Metering – the game changer.

Virtual Net Metering is like the communal version of traditional net metering. Instead of being limited to one building, it allows multiple customers – think homes, apartments, businesses – to share the benefits of a single solar power system. This system could be located on one of the buildings or somewhere entirely different.

Here's how Virtual Net Metering works: The solar power system generates electricity, just like in the traditional setup. But now, the credit from this electricity generation isn't limited to just one meter or one property. It’s distributed across multiple participants' electricity bills. This means if you're part of a Virtual Net Metering program, you don’t need solar panels on your own roof to get the benefits. You're part of a bigger picture, tapping into a shared solar system.

But why does this matter? Think about people living in apartments or rented properties where installing individual solar panels isn't feasible. Or small businesses looking to go green but don’t have the space for a full solar setup. Virtual Net Metering opens the door for these groups to join the solar revolution. It's about inclusivity in sustainable energy practices, making solar power more accessible to everyone.

In essence, Virtual Net Metering is breaking down barriers. It's not just about individual gains anymore; it's about collective progress towards a more sustainable future. With Virtual Net Metering, solar energy isn't a privilege for the few with the right kind of roof; it's an option for many, contributing to a greener planet and fostering a sense of community.

net metering

Group Metering: Streamlining Solar Energy for Multiple Users

Group metering is an essential component in the world of solar energy, particularly when it comes to maximizing the efficiency and accessibility of solar power. At its core, group metering is a system that allows multiple consumers, often within the same building or complex, to benefit from a single solar energy source. This approach is especially significant for places like apartment buildings, commercial complexes, and community solar projects.

Here's the straightforward idea: Instead of individual solar panels for each unit, a single, centralized solar array is installed. The power generated by this array is then distributed among the different users. Each user's share is calculated based on their energy consumption or a pre-agreed allocation. This not only simplifies the solar energy distribution but also ensures that more people can tap into the benefits of renewable energy.

One of the key advantages of group metering is its cost-effectiveness. By pooling resources for a shared solar installation, participants can enjoy the benefits of solar power without the significant individual investment that private solar systems often require. This approach aligns perfectly with the goals of sustainable living and collective energy solutions, offering a practical path to renewable energy for those who may not have access to individual solar panel installation.

Furthermore, group metering ties in seamlessly with concepts like Virtual Net Metering, providing a robust framework for community-based solar initiatives. It opens the door for wider adoption of solar energy, making it a feasible option for a diverse range of consumers, from tenants in multi-unit dwellings to small business owners.

In summary, group metering represents an efficient, cost-effective, and inclusive approach to solar energy. It's a key solution in making solar power more accessible and scalable, reflecting Bigwit Energy's commitment to fostering sustainable and community-centric energy solutions.

Solar panels on apartment building

Group Net Metering Guidelines:

  1. Applicability: Group Net Metering allows surplus energy generated by a solar plant to be adjusted against the electricity consumption of one or more service connections of the consumer within the same DISCOM territory in the NCT of Delhi. This is beneficial for consumers with multiple buildings and service connections.

  2. Installation Requirements: If the solar plant's capacity exceeds the sanctioned load of the premises, the consumer must pay the differential amount of SLD (sanctioned load demand) charges.

  3. Metering: Smart meters must be installed at the generation points, with the cost borne by the distribution licensee.

  4. Energy Adjustment:

  • Priority for energy generated from the solar plant is first given to the premises where it is located.

  • Consumers can designate other electricity connections for surplus energy adjustment annually with a two-month advance notice.

  1. Billing and Settlement:

  • The Distribution Licensee will show separately the energy units exported, imported, net units billed, or carried forward in the consumer's bill.

  • Annual settlement of any unadjusted net energy credits will be made by the distribution licensee at rates notified by the Commission​​.

Virtual Net Metering Guidelines:

  1. Collective Ownership: Consumers can collectively own a solar system under Virtual Net Metering, beneficial for those without suitable roofs.

  2. Installation and Capacity Requirements: Similar to Group Net Metering, payment of differential SLD charges is required if the solar plant's capacity is more than the sanctioned load of the premises.

  3. Metering and Billing:

  • Smart meters at generation points, with costs borne by the distribution licensee.

  • Energy adjustment will be credited in the electricity bill of each participating consumer based on beneficial ownership share in the solar plant.

  1. Consumer Options and Flexibility:

  • Consumers have the option to change their share of credit from the solar plant annually.

  • The energy exported to the grid can be adjusted across one or more service connections of each participating consumer within the same distribution licensee area.

  1. ToD (Time of Day) Compliance: For consumers with connections under the ToD tariff regime, all service connections will be converted to ToD compliant meters.

  2. Annual Settlement and Inter-DISCOM Transfers:

  • Unadjusted net energy credits will be settled annually by the distribution licensee.

  • Virtual Net Metering allows for intra and inter DISCOM transfer of surplus energy, with the consumer bearing normative distribution losses​​.

These guidelines aim to facilitate the effective implementation of Group Net Metering and Virtual Net Metering, promoting solar energy utilization while ensuring fairness and efficiency in energy distribution and billing.

Case Study: Transforming a Residential Complex with Virtual Net Metering and Group Metering


In the suburban locale of Solarville, the Sunnyside Residential Complex, home to 50 units, confronted a common challenge. The residents were eager to transition to solar energy, yet they were deterred by the steep costs and logistical hurdles involved in installing individual solar panels. It was in this context that the concepts of Virtual Net Metering and Group Metering emerged as solutions.

The Challenge:

The primary obstacle was crafting a solar energy solution that was cost-effective and equitable for all residents, irrespective of their apartment's size or position in the complex. The solution also had to adhere to local regulations and minimize disruption for residents during the installation process.

The Solution:

A novel approach combining Virtual Net Metering and Group Metering was adopted. A centralized solar panel array, notable for its high efficiency, was installed in the shared spaces of the complex. This setup was meticulously planned to optimize sun exposure and maximize energy generation.

Under Virtual Net Metering, each unit in the complex was allotted a proportionate share of solar energy credits, tailored to their energy consumption. Group Metering facilitated a streamlined billing process, enabling residents' bills to reflect their actual energy use minus their portion of the solar credits.

The Outcome:

  1. Cost Savings: The initiative led to a marked decrease in energy bills for the residents, averaging a 30% reduction in the first year.

  2. Increased Property Value: The Sunnyside Residential Complex gained appeal among eco-conscious buyers, thereby boosting its market value.

  3. Sustainable Living: The project significantly contributed to lowering the carbon footprint, aligning with the community’s aspirations for sustainable living.


The Sunnyside case is a compelling demonstration of how Virtual Net Metering and Group Metering can effectively address the complexities of adopting solar energy in multi-unit residences. This case study underscores the potential of such innovative solutions to render sustainable energy both accessible and advantageous for varied communities, underlining a collective stride towards a more sustainable future.

Embracing a Sustainable Future with Group and Virtual Net Metering

As we draw this enlightening journey to a close, it’s clear that the horizons of solar energy are expanding more than ever before. With the integration of Group Net Metering and Virtual Net Metering, Bigwit Energy is not just offering solar solutions; we are paving the way for a revolution in how communities and individuals engage with sustainable energy.

The beauty of these systems lies in their inclusivity and efficiency. Whether it's a homeowner in a suburban neighborhood or a tenant in a high-rise building, the door to harnessing solar power is now wide open. Group Net Metering and Virtual Net Metering break down the traditional barriers, making solar energy a viable and attractive option for all.

But it's more than just about energy savings and reducing carbon footprints. These innovative approaches foster a sense of community, solidarity, and shared responsibility towards our planet. They represent a collective step forward in our journey towards a more sustainable, cleaner energy future.

At Bigwit Energy, we believe that everyone deserves access to clean, affordable, and efficient energy solutions. As we continue to innovate and lead in the solar energy sector, our commitment to you, our valued clients and communities, remains steadfast. Together, let's embrace this sustainable future, powered by the sun and united in our efforts to make our world a better place.

Thank you for joining us on this enlightening exploration of Group Net Metering and Virtual Net Metering. The future is bright, and it's solar-powered.



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