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What is a self-consumption solar power generation system?

The generated electricity is consumed by the factory's equipment and more! Introducing a system aimed at a decarbonized society.

A "self-consumption solar power generation system" refers to a system that generates electricity using solar panels and consumes that electricity on-site, such as in factories, warehouses, stores, or offices, without selling it back to the power company, thereby reducing the amount of electricity purchased from the power company. This document provides a detailed explanation of the types of self-consumption systems. It is designed to be easy to reference when considering the introduction of a solar power generation system, so please take a moment to read it. [Contents] ■ Types of solar power generation systems ■ Types of self-consumption systems ■ Why self-consumption? *For more details, please refer to the PDF document or feel free to contact us.

  • Solar power generation

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What type of customers are suitable for self-consumption?

Excellent economics of self-consumption! Designing the capacity of the solar power generation system in line with electricity consumption.

This document includes the system design for self-consumption and the conditions suitable for self-consumption. It also provides detailed information on the differences based on the assumed surplus electricity sales price and the scenarios in which it is appropriate. Please make use of this information when considering the introduction of a solar power generation system for self-consumption. [Contents] ■ Self-consumption system design and simulation ■ Customers suitable for self-consumption type *For more details, please refer to the PDF document or feel free to contact us.

  • Solar power generation

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Reduction case

The annual electricity costs vary greatly for self-consumption types! Introduction of reduction examples.

Here are some examples of reductions achieved through the "excess power sales type" and "complete self-consumption type." In a certain logistics warehouse, by introducing the "excess power sales type" system, the annual electricity cost was reduced from 16.6 million yen to 3.8 million yen, achieving a 77% reduction. Additionally, in refrigerated and frozen warehouses that use a large amount of electricity throughout the year, the "complete self-consumption type" system was implemented, resulting in an annual electricity cost reduction of 3.98 million yen. 【Other Reduction Examples】 ■ Complete Self-Consumption Type - Frozen/Refrigerated Warehouse: Annual electricity cost reduced from 35.64 million yen to 29.07 million yen (18% reduction) - Manufacturing Factory (total of 2 buildings): Annual electricity cost reduced from 10 million yen to 6.8 million yen (32% reduction) ■ Excess Power Sales Type - Manufacturing Factory: Annual electricity cost reduced from 12.2 million yen to 4.9 million yen (59% reduction) *For more details, please refer to the PDF document or feel free to contact us.

  • Solar power generation

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[Case Study on Reducing Electricity Costs] Self-Consumption Solar Power Generation System

Introducing the effects of installing self-consumption solar panels! Examples of electricity bill reductions.

We would like to introduce a case study of a self-consumption solar power generation system that reduced electricity costs. In a supermarket (fresh food), the electricity costs before installation were 6.87 million yen per year. Due to the effects of installing solar panels, the electricity costs after installation dropped to 5.35 million yen per year, achieving a reduction of 1.52 million yen. The reduction rate is 22%, and the amount of CO2 reduction is 32 tons per year. 【Case Overview】 ■ Before Installation - Electricity Costs, Before Installation/Year: 6.87 million yen ■ After Installation - Electricity Costs, After Installation/Year: 5.35 million yen - Reduction Amount, million yen/year: 1.52 - Reduction Rate: 22% *For more details, please refer to the PDF document or feel free to contact us.

  • Solar power generation equipment

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