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This document is a collection of case studies summarizing the achievements in electricity cost reduction through the corporate electricity plans of "Shirokuma Denryoku." It includes trends and measures for electricity usage, as well as specific reduction achievements categorized by industry, such as stores, offices, hotels, hospitals, and factories. It serves as a reference for selecting plans tailored to electricity usage patterns. We also provide an introduction to six electricity plans and a list of companies and municipalities that have implemented them, so please make use of this information. [Contents (partial)] ■ Features of Shirokuma Denryoku's corporate electricity plans ■ Electricity cost reduction achievements for the fiscal year 2024 ■ Trends and measures for electricity usage in stores ■ Electricity cost reduction achievements for stores ■ Trends and measures for electricity usage in offices ■ Electricity cost reduction achievements for offices *For more details, please download the PDF or feel free to contact us.

This document is a 2026 edition guidebook that provides a detailed explanation of new electricity providers for corporations. It includes information on the advantages and disadvantages of switching to new electricity providers, the reasons behind the series of bankruptcies and withdrawals in 2022, and frequently asked questions to help you confidently switch electricity companies. A checklist summarizing the key points for choosing a new electricity provider is also included, so please make use of it as a reference for your electricity switch. [Contents (partial)] ■ What is a new electricity provider? ■ Advantages of switching to a new electricity provider ■ Disadvantages of switching to a new electricity provider ■ Why did the bankruptcies of new electricity providers occur? ■ Frequently asked questions about new electricity providers (Q&A) ■ Quality of electricity and transmission facilities *For more details, please download the PDF or feel free to contact us.

This document summarizes the results of a survey regarding the "review of electricity costs" conducted among companies with designated energy management factories. It includes findings on key points considered in factory electricity procurement, challenges in electricity procurement, and the extent of cost reductions achieved by switching to new electricity providers, covering 14 different items. The survey also investigates the status of initiatives for utilizing renewable energy, so please make use of this information for your electricity review. [Contents (partial)] ■ Efforts to reduce factory costs ■ Satisfaction with the support system of electricity companies ■ Appropriateness of factory electricity costs ■ Key points in factory electricity procurement ■ Challenges and dissatisfaction in electricity procurement ■ Experience in switching to new electricity providers *For more details, please download the PDF or feel free to contact us.

We will introduce examples of electricity cost reductions for stores using our "Corporate Electricity Plan" for restaurants, apparel shops, and membership clubs. Electricity usage tends to increase in the morning when stores begin preparations for opening, peak during the day, and decrease at night. Throughout the year, electricity consumption rises in the summer when air conditioning usage increases. We recommend the "Market-Linked Plan" and "Capped Market-Linked Plan," which offer lower daytime electricity costs, as well as the "Mix Plan," which reduces electricity costs in summer and winter. 【Case Summary (Partial)】 ■ Shikoku Number of locations: 2 Approximately 67 million yen/year → Approximately 37 million yen/year 45% DOWN ■ Shikoku Number of locations: 1 Approximately 6.6 million yen/year → Approximately 3.8 million yen/year 42% DOWN ■ Hokkaido Number of locations: 3 Approximately 7.3 million yen/year → Approximately 4.75 million yen/year 35% DOWN ■ Tokyo Number of locations: 1 Approximately 6.2 million yen/year → Approximately 4.15 million yen/year 33% DOWN *For more details, please download the PDF or feel free to contact us.

We would like to introduce examples of electricity cost reductions for offices using our "Corporate Electricity Plan." Offices tend to have many holidays on weekends, leading to a higher electricity usage during weekdays, especially during the daytime. Throughout the year, there are many cases where significant electricity is consumed in the summer when air conditioning usage increases. Our company can propose suitable plans tailored to the size of the office and the preferences of the corporation. 【Case Summary (Partial)】 ■ Hokuriku Number of locations: 1 Annual cost: approximately 2.6 million yen → approximately 1.5 million yen 43% DOWN ■ Tokyo Number of locations: 1 Annual cost: approximately 2.5 million yen → approximately 1.5 million yen 41% DOWN ■ Kyushu Number of locations: 2 Annual cost: approximately 5.9 million yen → approximately 3.5 million yen 40% DOWN ■ Kansai Number of locations: 1 Annual cost: approximately 47.65 million yen → approximately 32.22 million yen 32% DOWN *For more details, please download the PDF or feel free to contact us.

We would like to introduce examples of electricity cost reduction for hotels and accommodation facilities through our "Corporate Power Plan." Hotels and accommodation facilities tend to have high electricity usage throughout the day, regardless of weekdays or weekends, with increased power consumption during the summer and winter when air conditioning usage rises. We offer many options, including "fixed rate plans" and "fuel adjustment link plans" that can lower the daily electricity cost per unit, as well as "mix plans" that reduce electricity costs in summer and winter. [Case Overview (Partial)] ■ Tohoku Number of locations: 1 Annual cost: Approximately 22 million yen → Approximately 13.5 million yen 39% DOWN ■ Chubu Number of locations: 1 Annual cost: Approximately 4.6 million yen → Approximately 3.5 million yen 23% DOWN ■ Kyushu Number of locations: 1 Annual cost: Approximately 9.2 million yen → Approximately 7.15 million yen 22% DOWN ■ Kansai Number of locations: 1 Annual cost: Approximately 21.3 million yen → Approximately 17.05 million yen 20% DOWN *For more details, please download the PDF or feel free to contact us.

We would like to introduce a case study of electricity cost reduction for hospitals through our "Corporate Electricity Plan." Hospitals have high electricity usage throughout the day, regardless of weekdays or weekends, with a tendency for increased usage in the morning when patient consultations rise. Annually, electricity costs are higher in winter due to increased operation of heating equipment. We propose various plans such as the "Fixed Price Type" and "Fuel Adjustment Link Type" to lower the daily electricity cost per unit, as well as the "Mix Plan" which reduces electricity costs in both summer and winter. [Case Overview] ■ Hokkaido Number of locations: 3 Annual cost: approximately 106.5 million yen → approximately 66.5 million yen 38% DOWN ■ Tohoku Number of locations: 11 Annual cost: approximately 960 million yen → approximately 647.5 million yen 33% DOWN ■ Kansai Number of locations: 5 Annual cost: approximately 3.88 billion yen → approximately 2.8 billion yen 28% DOWN ■ Hokuriku Number of locations: 1 Annual cost: approximately 3.8 million yen → approximately 2.8 million yen 26% DOWN *For more details, please download the PDF or feel free to contact us.

We would like to introduce examples of electricity cost reduction for factories (operating year-round/operating on weekdays) through our "Corporate Power Plan." Factories that operate year-round use a large amount of electricity 24 hours a day, 365 days a year, and particularly in summer, the use of air conditioning tends to increase, leading to higher electricity costs. In factories that operate on weekdays, electricity usage increases from morning to night on weekdays. We recommend the "Market-Linked Plan," which offers lower electricity costs during the day, the "Fuel Adjustment Link Plan," which can reduce the unit price of electricity per day, and the "Fully Fixed Plan," which guarantees a reduction in electricity costs. 【Case Summary (Partial)】 ■ Year-round operation in China Number of locations: 3 Annual cost: approximately 32 million yen → approximately 18.6 million yen 42% DOWN ■ Year-round operation in Hokuriku Number of locations: 2 Annual cost: approximately 96.85 million yen → approximately 65.2 million yen 33% DOWN ■ Weekday operation in Tohoku Number of locations: 10 Annual cost: approximately 244.9 million yen → approximately 160.6 million yen 34% DOWN ■ Weekday operation in Hokuriku Number of locations: 2 Annual cost: approximately 50.05 million yen → approximately 32.9 million yen 34% DOWN *For more details, please download the PDF or feel free to contact us.

Due to the recent surge in fuel prices, reducing fixed costs for factories has become an urgent issue. Our "Corporate Power Plan" achieves significant cost reductions by selecting the optimal contract type based on electricity usage. [Reasons for Selection and Three Plans] ■ Market-Linked Plan Linked to the prices of JEPX (Japan Electric Power Exchange). By keeping daytime unit prices low and taking advantage of time slots when market prices are low, costs are minimized. ■ Fuel Adjustment Link Plan While linking the fuel cost adjustment amount with major power companies, this plan reduces basic fees and electricity unit prices to mitigate risks and reliably lower unit prices. ■ Fully Fixed Plan This plan allows for stable cost management throughout the year without being affected by market fluctuations. [Successful Cases of Electricity Cost Reduction] ▼ Year-Round Operation (Chugoku Region: 3 Locations) From 32 million yen annually → Approximately 18.6 million yen (42% reduction) ▼ Weekday Operation (Tohoku Region: 10 Locations) From 244.9 million yen annually → Approximately 160.6 million yen (34% reduction) The optimal plan varies depending on operational conditions. To find out how much your company can reduce costs, you can check the detailed results of our extensive simulation records by downloading the catalog below.

Medical institutions operate on a 24-hour basis and utilize advanced medical equipment, resulting in significantly higher electricity consumption compared to other industries. Reducing fixed costs is a major management challenge. Our "Corporate Electricity Plan" analyzes the unique electricity demands of hospitals and proposes optimal contract forms to achieve substantial cost reductions. 【Three Plans to Meet Hospital Needs】 ■ Fixed Price Plan This plan allows for stable budget management throughout the year, unaffected by market price fluctuations. ■ Fuel Adjustment Link Plan This plan links fuel cost adjustments with major electricity companies, minimizing risks while reducing the unit price of electricity. ■ Winter/Summer Mixed Plan This plan aims to lower unit prices during the high air conditioning load periods of summer and winter, smoothing out annual costs. 【Successful Case Studies of Electricity Cost Reduction】 ▼ Hokkaido (3 locations) From 10.65 million yen annually → Approximately 6.65 million yen (38% reduction) ▼ Tohoku (11 locations) From 96 million yen annually → Approximately 64.75 million yen (33% reduction) ▼ Kansai (5 locations) From 388 million yen annually → Approximately 280 million yen (28% reduction) The optimal plan varies depending on the region, number of beds, and medical specialties. For more details, please check the "Download Catalog" below.

Offices have high electricity consumption during weekdays, especially with increased costs due to air conditioning operations in the summer, which poses a management challenge. Our "Corporate Electricity Plan" allows for significant fixed cost reductions while maintaining operational efficiency by selecting the optimal contract type based on actual usage. 【Three Plans Chosen by Offices】 ■ Market-Linked: Tied to JEPX prices. Minimizes costs through operations that keep daytime unit prices low. ■ Fuel Adjustment Link: Links with major electricity providers and fuel cost adjustments. Reduces unit prices while managing risks. ■ Fully Fixed: Not affected by market fluctuations, allowing for stable budget management throughout the year. 【Successful Case Studies of Electricity Cost Reduction】 ▼ Hokuriku (1 location): From 2.6 million yen to about 1.5 million yen (43% reduction) ▼ Tokyo (1 location): From 2.5 million yen to about 1.5 million yen (41% reduction) ▼ Kyushu (2 locations): From 5.9 million yen to about 3.5 million yen (40% reduction) ▼ Kansai (1 location): From 47.65 million yen to about 32.22 million yen (32% reduction) The optimal plan varies depending on the scale and operational status of OA equipment. For details, please check the "Download Catalog" below.

Hotels and accommodations tend to have high electricity usage throughout the day, regardless of weekdays or weekends, with increased power consumption during the summer and winter when air conditioning usage rises. We offer various plans, such as "fixed rate type" and "fuel adjustment link type," which can lower the daily electricity cost per unit, as well as a "mix plan" that reduces electricity costs in summer and winter. 【Case Summary (Partial)】 ■ Tohoku Number of Bases: 1 Approximately 22 million yen/year → Approximately 13.5 million yen/year 39% DOWN ■ Chubu Number of Bases: 1 Approximately 4.6 million yen/year → Approximately 3.5 million yen/year 23% DOWN ■ Kyushu Number of Bases: 1 Approximately 9.2 million yen/year → Approximately 7.15 million yen/year 22% DOWN ■ Kansai Number of Bases: 1 Approximately 21.3 million yen/year → Approximately 17.05 million yen/year 20% DOWN *For more details, please download the PDF or feel free to contact us.

In restaurants and retail stores, electricity costs due to air conditioning and lighting are significant fixed expenses that pressure profits. Our "Corporate Power Plan" analyzes the unique usage patterns of stores, from preparation for opening to peak daytime hours and nighttime operations, achieving substantial cost reductions with optimal contract forms. 【Three Plans Chosen by Stores】 ■ Market-Linked Plan: Linked to JEPX prices. Minimizes costs through operations that keep daytime unit prices low. ■ Cap-Limited Market-Linked Plan: Takes advantage of market linkage while limiting risks during price surges. ■ Summer-Winter Mixed Plan: Reduces unit prices during peak heating and cooling demand periods, leveling annual costs. 【Successful Examples of Electricity Cost Reduction】 ▼ Shikoku (2 locations): From 67 million yen to about 37 million yen (45% reduction) ▼ Shikoku (1 location): From 6.6 million yen to about 3.8 million yen (42% reduction) ▼ Hokkaido (3 locations): From 7.3 million yen to about 4.75 million yen (35% reduction) ▼ Tokyo (1 location): From 6.2 million yen to about 4.15 million yen (33% reduction) The optimal plan varies depending on the type of business and the presence of kitchen equipment. For details, please check the "Download Catalog" below.