SELF-CONSUMPTION

There are three types of self-consumption systems: grid-connected or off-grid.

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Self-Consumption with Surpluses Connected to the Grid:

This type of system is subdivided into two categories:

Surplus Compensation ≤ 100 kWn: In this model, the consumer uses the energy generated by their self-consumption system and supplements their demand with electricity from the grid when needed. Surplus energy can be fed into the electrical grid. During the billing process, the utility company will compensate for the surplus energy at the market average price or according to agreed terms.

Surplus Sale > 100 kWn: In this case, the consumer has the option to feed surplus energy into the distribution network. Additionally, they can sell the energy produced by their photovoltaic solar panels.

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Self-Consumption without Surpluses:

Self-consumption installations without surpluses do not allow for excess energy to be fed into the distribution network. However, users can consume all the energy generated by their systems.

Surplus Sale > 100 kWn: In this case, the consumer has the option to feed surplus energy into the distribution network. Additionally, they can sell the energy produced by their photovoltaic solar panels.

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Off-Grid Installation:

In this type of installation, there is no connection to the conventional electrical grid. Therefore, it is not possible to feed into or consume electricity from the general grid. Instead, any surplus energy is stored in batteries for future use. This self-consumption approach ensures energy self-sufficiency through battery storage systems.

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Benefits of Energy Self-Consumption for Industries:

Industrial energy self-consumption offers a range of advantages that go beyond mere energy efficiency. Here are some reasons why more and more industries are opting for this sustainable solution.

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Substantial Energy Savings

With self-consumption, industries can significantly reduce their energy costs, with estimated savings between 40% and 70% on their electricity bill.

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Surplus Compensation

The ability to compensate for surplus energy by feeding it into the electrical grid allows industries to maximize their efficiency and gain additional benefits

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Quick Return on Investment

Despite the low installation cost, the initial investment is quickly amortized, usually within about 5 years, thanks to the energy savings generated.

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Minimal Maintenance

Self-consumption systems require little maintenance, which means less time and resources are invested in their upkeep

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Positive Environmental Impact

With zero carbon dioxide and greenhouse gas emissions, industrial self-consumption actively contributes to reducing air pollution and promoting the planet's sustainable development.

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Low Visual and Acoustic Impact

The potential for architectural integration and low noise generation make self-consumption systems compatible with various industrial environments.

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Adaptability and Versatility

From small rooftop installations to large ground-mounted projects, self-consumption easily adapts to any industrial space, offering a flexible and scalable solution.

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Product Warranty and Durability

Photovoltaic modules come with an extended warranty period and high resistance to adverse weather conditions, ensuring the system's long-term durability and reliability.

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Incentives and Tax Deductions

Industries can benefit from various grants and tax deductions when opting for energy self-consumption, further enhancing their return on investment.

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Reduction in Energy Dependence

By generating their own clean and renewable energy, industries reduce their reliance on imported fossil fuels, contributing to the energy security of the country and the region.

We take care of everything

1
Trayectoria Track record
2
Instalación personalizada Customized installation
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Subvenciones, ayudas y bonificacionesGrants, subsidies, and incentives
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Opciones de pago Payment options

Track record

With over a decade of experience, our team of engineers and installers provides you with a comprehensive, turnkey service of the highest quality.

Customized installation

We understand that each company is unique, which is why our team of engineers will study your case and provide an installation tailored to your needs and consumption levels, anticipating potential changes.

Grants, subsidies, and incentives

Your company can benefit from grants for the use of photovoltaic solar energy under the Next Generation program, as well as reductions in property taxes (IBI). At Watt Energía, we handle the collection and administration of all documentation so you can leave the paperwork to us.

Payment options

At Watt Energia, we offer our clients the possibility to finance the installation for up to 15 years. You can also choose a leasing or Power Purchase Agreement (PPA) with no initial investment and no amortization period, so you start saving from day one.

Our Partners

We work with the best partners in the market to offer you superior quality at a competitive Price.

Our clients vouch for us

Do you need any additional information? We are here to help

Yes, maintenance for a photovoltaic solar installation is essential to ensure performance and proper functioning. This helps the system operate efficiently, maximizing energy production. Maintenance is crucial because:

  • It helps to maximize solar energy production.
  • It ensures the proper functioning of the photovoltaic solar system.
  • It extends the lifespan of the solar panels.
We offer a total 5-year warranty. There is also an annual production guarantee of 90% for installations involving surplus sale or compensation, along with a maintenance contract.

To maximize the use of surplus energy from your photovoltaic solar installation, you can consider different options:

Compensation: If your installation has a power capacity of less than 100 kW, you can opt for surplus compensation. The surplus energy is injected into the grid, and your electricity provider will pay you for it at an agreed price. This amount is deducted from your monthly bill but cannot exceed the total bill. The compensation price is usually lower than the price you pay for consumed energy, as it is based on the wholesale market and does not include additional charges such as grid fees and electricity taxes.

Direct Sale of Energy to the Grid: For installations with a power capacity of more than 100 kW, such as industrial systems, surplus compensation is not an option. In these cases, surplus energy is sold directly to the grid. This requires a specific contract with the energy provider and, in some cases, a special license. The revenue generated depends on the market price of energy.

Physical Battery Installation: You can choose to install physical batteries in your system. These batteries store the surplus energy so you can use it when needed, for example, at night or on cloudy days. This option can provide greater control over your energy supply and reduce dependence on the grid.

Virtual Battery: If the economic value of your surplus in a month exceeds the economic value of your consumption, according to self-consumption regulations, it is lost. However, some energy providers offer the option of a virtual battery. In this case, the surplus energy not compensated is "stored" in a virtual account and can be used in later months when consumption is higher. This option allows for better utilization of generated energy and usually involves a fixed monthly fee.

Surplus Dumping Waiver: Another option is to configure your installation not to feed surplus energy into the grid. This may be feasible in industrial installations where grid access is limited or surpluses are minimal. In this case, the surplus energy is simply not used, which can result in a loss of potential energy."

There is no maximum limit for the installed power, as this factor will be determined by the specific needs of your business and the available space you have.