Commercial Solar Electricity Systems

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Commercial Solar Electricity Systems

Commercial solar electricity systems are similar to residential solar systems but are designed to meet the energy needs of commercial and industrial properties rather than individual homes. These systems are typically larger in scale and may require more complex design and installation processes.

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Breakdown of the components

01.

Solar Panels

Commercial systems consist of arrays of solar panels, which convert sunlight into electricity. These panels are typically installed on the roof or ground, depending on available space and structural considerations.

02.

Inverters

Like residential systems, commercial solar systems require inverters to convert the direct current (DC) electricity generated by the solar panels into usable alternating current (AC) electricity that can power commercial facilities and equipment.

03.

Mounting Systems

Commercial solar panels may require custom mounting systems to accommodate larger arrays and ensure optimal positioning for maximum sunlight exposure.

04.

Electrical Wiring and Components

Similar to residential systems, commercial solar installations include wiring and electrical components to connect the solar panels to the inverters and integrate the system with the property’s electrical infrastructure.

05.

Monitoring and Control Systems

Many commercial solar systems include monitoring and control systems that allow property owners or operators to track energy production, monitor system performance, and optimize energy usage.

06.

Grid Connection

Most commercial solar systems are grid-connected, meaning they remain connected to the local utility grid. Excess electricity generated by the solar system can be exported to the grid, and electricity can be drawn from the grid when solar production is insufficient.

Commercial solar electricity systems offer several benefits, including:

Cost Savings

By generating their own electricity from solar power, commercial properties can reduce their energy expenses and protect against future electricity price increases.

Environmental Sustainability

Solar power is a clean, renewable energy source that produces no greenhouse gas emissions during operation, helping commercial properties reduce their carbon footprint and meet sustainability goals.

Energy Independence

Solar power provides commercial properties with greater energy independence and resilience by reducing reliance on the grid and fossil fuels.

Net Metering Schemes

NET ACCOUNTING

This Scheme has introduced an additional element to the Scheme 01 where an
export tariff for the net energy exported (if any) was introduced. If the generated units
of electricity using the solar panels fixed in the roof are greater than the units
consumed, the customer will be paid a fixed rate of Rs.37 per unit. There is also a
variable rate introduced by the government.

NET PLUS

Total generation of electricity from the solar PV power plant will be exported directly through
a dedicated meter for which the customer will be paid. The energy import will be measured
through a separate import meter and will be billed as per the existing electricity tariff. CEB
shall read the meter to read the solar power plant output and the other meter to read the
import energy. Total generation of electricity from the solar PV power plant will be exported
directly through a dedicated meter for which the customer will be paid Rs 37 per unit. The
energy import will be measured through a separate import meter and will be billed as per the
existing electricity tariff CEB. The installed capacity of the Generating Facility shall not
exceed the Contract Demand of the Producer. The contract period is 20 yrs.

NET PLUS PLUS

Currently, all other schemes connected to the grid are limited to the customer’s contract demand. This limitation results in the underutilization of available roof space for solar power generation beyond the contracted demand. To address this issue, the utility has introduced the Net Plus Plus scheme, which allows prosumers to install Rooftop Solar PV systems beyond their contract demand.

Under the Net Plus Plus scheme, the Rooftop Solar PV system is classified as a power plant, and prosumers are permitted to consume only the auxiliary power required for system operation. Existing consumers can leverage the Net Plus Plus scheme to generate and supply excess electricity to the grid using their additional roof space. An essential aspect of the Net Plus Plus scheme is the separation of its wiring from all other internal wiring systems.

The Net Plus Plus scheme facilitates the implementation of a roof rental or aggregator model, which aims to maximize rooftop solar generation. Under this model, investors or tariff customers can enter into agreements with the utility. The interconnection agreement closely resembles that of the Net Plus scheme, and the payment structure aligns with other existing schemes.