Photovoltaic Systems for Homeowners

solar panels on roof of house. horizontal orientation, blue sky, gray panels on brown roof.

An investment for private households

Imagine your home producing enough electricity for the whole family and never having to worry about rising electricity costs or your household carbon footprint again. With Autoconsumo Solar smart energy solutions, homeowners can reduce their electricity costs and protect the environment without having to cut back. The reasons for owning a solar power system are many.

Photovoltaic systems for a single-family house is also a central topic of the energy turnaround. With the growing ecological awareness, the own solar system moves more and more into the focus of private house builders. After installation, the roof system produces environmentally friendly electricity without CO2 emissions. In this way, one’s own ecological environmental balance can be significantly improved.

First and foremost is the cost reduction compared to the purchase of grid electricity. Solar power from one’s own roof is significantly cheaper, specially in countries like Spain where sunny days are so many. In addition, photovoltaics makes private households less dependent on energy suppliers and their fluctuating prices. In Spain and rest of European countries, there are also financial incentives in the form of remuneration and subsidies.

For both goals, cheap electricity and environmentally friendly production, an efficient plant is the key to success. For this, it is fundamentally important to dimension the system according to one’s own needs. In addition, the question arises: When is PV with storage worthwhile? The battery can store excess electricity for the hours during the night. For the highest possible efficiency, an inverter that meets the highest standards is also required. Last but not least, professional installation in the best possible orientation is indispensable. In the meantime, it is no longer only south-facing locations that are considered profitable. PV systems on single-family homes also generate significant amounts of electricity in an easterly and/or westerly direction.

Autoconsumo Solar integrates the latest digital and Internet technology with your rooftop photovoltaic system. The system thus offers you optimized PV power generation, a built-in plug & play storage interface, and smart home energy management. Apart of all this, we offer storage and inverters that increase the efficiency of the system. All components sold or installed by us are robust and, thanks to the highest warranties in the market, a safe investment in the solar present and future of the home.

Family house energy supply

If you want to install a solar power system, there is no getting around a key component: the inverter converts the direct current from the modules into alternating current, which is needed for electrical devices in the house. Autoconsumo Solar has a comprehensive range of different inverters that are chosen according to the individual challenges of a project. They are suitable for small systems where photovoltaics are used only for self-consumption, as well as for high-yield solar systems.

The inverters impress with their high flexibility. Apps for energy management, for example, are available as part of smart solar solutions. All our PV roof system can also be monitored at any time even with our own AIoT Box, designed and manufactured by our parter company Integraciones Industriales.

An energy-storage system, also called a home or solar battery, lets you capture electricity so you can use it at another time. For example, you can store the electricity your solar panels generate during the day and use it at night. Big tech brands including LG, Samsung, Huawei and Tesla sell home-energy storage systems.

Installing a home-energy storage system is a long-term investment to help cut your energy bills, although this may not be your motivation. Whether a battery will save you money will depend on:

  1. the cost of installation
  2. the type of system installed (DC or AC, chemistry of the battery, connections)
  3. how it’s used (including the effectiveness of the control algorithm)
  4. the price of electricity (and how it changes during the lifetime of your system)
  5. the battery’s lifetime.

Several systems come with a 10-year warranty. They require little maintenance, so the main cost is the initial installation. If you install it with solar PV (which can last 25 years or more), you should factor in the cost of replacing the battery. While the cost of a battery is high, it’ll take a long time for the battery to pay for itself. But if battery prices drop in future (as with solar panel prices).

If electricity prices increase, then payback times would improve.

There are two types of battery installation: DC and AC systems.

  • DC battery systems: A DC system is connected directly to the generation source (eg solar panels), before the electricity generation meter. You won’t need another inverter, which is more efficient, but charging and discharging is less efficient, so could affect your FIT (this isn’t usually recommended if you’re retrofitting a battery to an existing PV system).   DC systems can’t be charged from the grid, according to the Energy Saving Trust.
  • AC battery systems: These are connected after the electricity generation meter. So you’ll need an AC-to-DC power unit to convert the electricity you generate into AC you can use in your home (and then back again to store it in your battery).  AC systems are more expensive than DC systems, according to the Energy Saving Trust. But an AC system won’t affect your FITs payments, as the generation meter can register the total system output.:

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