RE100 Denryoku

What RE100 Denryoku does

RE100 Denryoku (RE100電力株式会社) is a Japanese renewable energy aggregator and electricity retailer founded in March 2016 in Takamatsu, Kagawa Prefecture, and headquartered in Nihonbashi, Chuo-ku, Tokyo since April 2024. The company, a subsidiary of FUSO Group Holdings Corporation, sells CO2-free electricity exclusively to Japanese enterprises (low-, high-, and special high-voltage customers) pursuing RE100 compliance and decarbonization targets, and aggregates distributed solar and grid storage battery assets on behalf of power producers under METI's August 2023 aggregator license. Its core technology stack combines a proprietary AI market price prediction system (covering JEPX spot, day-ahead, and supply-demand adjustment markets), a renewable power generation forecasting model, and a 24/7 remote battery charge/discharge control platform, with disclosed predictive accuracy as low as 8.57% error. The company is governed by FY2024 CEO Konishi Yudai (President & Representative Director), with founder Kurobuta Seiji continuing as Representative Director.

Name

RE100 Denryoku

Legal name

RE100電力株式会社

Website

https://re100-denryoku.jp

Company type

Private

Founded year

2016

Operating status

Operating

Short description

RE100 Denryoku is a Japanese renewable energy aggregator and electricity retailer that supplies CO2-free electricity, aggregates distributed solar and grid storage batteries, and trades environmental value certificates for Japanese enterprises pursuing RE100 and decarbonization goals.

Ownership category

akta.pro rank

Product category

Renewable Energy Retail and Aggregation

NAICS

Electric Power Generation, Transmission and Distribution (2211), Electric Power Transmission, Control, and Distribution (22112), Electric Power Generation (22111), Solar Electric Power Generation (221114)

SIC

Electric Services (4911), Electric, Gas & Sanitary Services (4900)

akta.pro primary industry

Renewable Energy Certificates & Guarantees of Origin Trading (RECs/GoOs/I-RECs) (EUAGAAAH)

akta.pro secondary industries

Renewable Energy Certificate (REC) Trading & Brokerage (EUAGAFAA), REC/GO Trading Platforms & Exchanges (EUAMAKAD), Structured Renewable Products (Blocks, Shaped, Baseload, Peak, Firming) (EUAGADAE)

Keywords

• Renewable energy retail
• Electricity aggregation services
• RE100 compliance solutions
• Non-fossil certificates
• Grid battery storage

Headquarters

HQ city

Tokyo

HQ country

Japan

HQ region

Asia

Offices3 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Supply Chain, Personnel, Technology or R&D, Marketing or Sales, Operations, Infrastructure

Revenue model

1. Retail Electricity Sales: Sale of CO2-free electricity to business customers (low voltage, high voltage, and special high voltage). The company procures renewable energy and environmental value certificates to provide 100% renewable electricity supply to enterprises pursuing RE100 and decarbonization goals.
2. FIP Power Fixed-Price Purchase Service: Purchase of renewable energy electricity at fixed prices for up to 20 years from FIP-certified power plants. The company aggregates power from non-FIT renewable energy sources and resells to corporate customers or through market trading.
3. Aggregation Services: Comprehensive aggregation services including power generation forecasting, planning submission, and charge/discharge control for grid storage batteries and renewable energy facilities. Services provided through delegation contracts with energy resource owners.
4. Self-Consignment Services: Agency services for self-consignment operations, including consultation with transmission/distribution operators, load-following supply operators, power generation forecasting, and planning submission to the Organization for Cross-regional Coordination of Transmission Operators (OCCTO).
5. Non-Fossil Certificate Trading: Trading of environmental value certificates including non-fossil certificates and J-Credits through the Zero Carbon Exchange platform. The company facilitates environmental value transactions between buyers (corporations and local governments) and suppliers (power generators).
6. J-Credit Creation Support: Support services for J-Credit project registration and credit creation from self-consumption solar power facilities. The company aggregates environmental value from multiple sites and facilitates credit certification and purchase.
7. Power Plant Development: Development of non-FIT solar power plants for self-consumption purposes. The company provides integrated services from land acquisition and due diligence to construction, O&M, and power supply contracts.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels9 records

Core offering

RE100 Denryoku sells exclusively CO2-free electricity to Japanese enterprises pursuing RE100 and decarbonization goals across low-voltage, high-voltage, and special high-voltage supply categories. It also operates a renewable energy aggregation business providing power generation forecasting, planning submission, battery charge/discharge control, and 24/7 remote monitoring for distributed energy resources. The company additionally purchases renewable power under long-term FIP and post-FIT fixed-price contracts and operates the Zero Carbon Exchange platform for trading non-fossil certificates and J-Credits.

Product overview

RE100 Denryoku operates as a renewable energy aggregator and power retailer offering a comprehensive suite of services for businesses seeking to achieve RE100 and carbon-free energy goals. The portfolio includes core aggregation services (real-time monitoring, charge/discharge control for grid storage batteries, 24/7 remote surveillance), self-transmission delegation services, FIP fixed-price power purchase (up to 20 years, up to 18 yen/kWh with batteries), and post-FIT power purchase services. The company also operates multiple platform brands including Rナビ (solar investment property portal), ゼロFITナビ (non-FIT renewable energy platform), ゼロカーボン取引所 (environmental value trading platform for non-fossil certificates and J-credits), and 系統用蓄電池チャンネル (grid battery portal). The 24/7 CFB platform unifies these offerings, providing 9 integrated renewable energy solutions for corporate CFE realization.

Differentiator

Problem solved

Functional benefit

Brands

• 24/7 CFB: Platform providing 9 renewable energy solutions for corporate Carbon Free Energy (CFE) realization, including FIT-to-FIP conversion support, on-site solar, off-site PPA, and grid storage batteries.
• Rナビ (R-Navi)
• ゼロFITナビ (ZeroFIT-Navi)
• ゼロカーボン取引所 (Zero Carbon Exchange)
• 系統用蓄電池チャンネル (Grid Battery Channel)

Products and services

• CO2-Free Electricity Retail Supply (RE100 Denryoku retail electricity contracts)
• Renewable Energy Power Plant Development Service
• Aggregation Service (アグリゲーションサービス)
• Self-Transmission Delegation Service (自己託送業務代行サービス)
• FIP Power Fixed-Price Purchase Service (FIP電力固定価格買取サービス)
• Post-FIT Power Purchase Service (卒FIT電力買取サービス)
• Non-Fossil Certificate Utilization Service
• 24/7 CFB (24/7 Carbon-Free Base) Platform

Quantifiable outcome

• Prediction error rate as low as 8.57% with AI forecasting model
• +2 more outcomes

Segments5 records

Ideal customer profiles3 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

Nine partnerships are on record, tiered minor and core.

• Birdman Inc.minorStrategic or Co-development Partner · 16 July 2026Aggregation service agreement for grid storage battery facilities. RE100 Denryoku provides operation support including optimal charge/discharge control and 24-hour remote monitoring to maximize facility value and ensure stable long-term operations.
• e-Script Energy Co., Ltd.minorStrategic or Co-development Partner · 10 July 2026Aggregation service agreement for grid storage battery facilities. RE100 Denryoku supports stable operation and value enhancement through charge/discharge control and remote monitoring for battery facilities.
• Ministry of Economy, Trade and Industry (GX League)coreOthers · 10 April 2024Participation in the GX League organized by METI, which aims to lead the transition to carbon neutrality and realize sustainable future growth. Both JPN and RE100 Denryoku joined in FY2024 to contribute to GX-ETS (Emissions Trading System) phase 1 and work towards long-term decarbonization targets.
• Umine Co., Ltd. / KR Energy No. 1 LLCminorStrategic or Co-development Partner · 28 February 2024Virtual PPA aggregation service contract for approximately 31.350 MW of low-voltage solar power development. RE100 Denryoku provides aggregation services including power generation planning and sales, and manages imbalance costs for the power generation business.
• Japan Energy General System Corporation (JPN)coreStrategic or Co-development Partner · 23 June 2023JPN serves as the consortium leader in government-approved aggregation demonstration projects. The partnership enables integrated services from power plant development through aggregation operations, with RE100 Denryoku acting as the renewable energy aggregator. Both companies collaborate on FIP transition support, J-Credit creation, and aggregation technology development.
• Fuso Holdings Corporation (now FUSO Group Holdings Corporation)coreStrategic or Co-development Partner · 23 June 2023Parent group company. RE100 Denryoku is a group company of Fuso Holdings (renamed FUSO Group Holdings in July 2024). The partnership enables integrated renewable energy services from development through retail supply.
• Kunimoto Shoji Co., Ltd.minorStrategic or Co-development Partner · 1 May 2023Self-consignment service contract for solar power facilities in Hyogo and Nara. RE100 Denryoku provides aggregation services including power generation forecasting, planning submission, and coordination with transmission operators. Enables annual procurement of approximately 550,000 kWh of renewable energy.
• Tokyo Century CorporationcoreStrategic or Co-development Partner · 20 July 2021Strategic collaboration for self-consignment solar power business development. JPN handles site acquisition, power plant design and construction, while Tokyo Century provides financing and operational management for solar power projects. Enables companies to procure renewable energy through self-consignment arrangements.
• Wave Energy CorporationminorStrategic or Co-development PartnerBusiness partnership for existing mega solar 'storage battery x aggregation' solutions. Collaborative offering for optimizing value from existing solar power facilities through battery storage and aggregation services.

Scale indicators6 records

Recent moves9 records

Expansion highlights6 records

Broad incumbents

• Tokyo Gas: Tokyo Gas is a major Japanese gas utility aggressively expanding into renewable power generation and corporate renewable supply. It is comparable to RE100 Denryoku as a large incumbent pursuing the same Japanese corporate decarbonization market.
• NTT Anode Energy: NTT Anode Energy is a Japanese utility-scale renewable developer and aggregator owned by NTT. It is comparable to RE100 Denryoku as a large incumbent entering aggregation and renewable supply for enterprise decarbonization, with materially greater capital resources.
• SB Energy (SoftBank): SB Energy is a SoftBank-affiliated renewable energy developer and operator in Japan with utility-scale solar and storage. It is comparable to RE100 Denryoku as an incumbent with renewable generation and emerging corporate renewable supply capabilities.
• Eurus Energy Holdings: Eurus Energy is a Toyota Tsusho-affiliated Japanese renewable energy developer with wind and solar assets. It is comparable to RE100 Denryoku as an incumbent renewable developer increasingly focused on corporate PPA offtake.

Direct peers

• Looop: Looop is a Japanese renewable energy retailer and solar developer offering residential and commercial renewable electricity supply. It competes directly with RE100 Denryoku in retailing CO2-free electricity to Japanese corporate buyers.
• Enechange: Enechange operates a Japanese energy retail and comparison platform and has expanded into renewable retail and ESG-focused electricity supply. It is comparable to RE100 Denryoku as a retail electricity provider pursuing corporate decarbonization demand.
• Renova: Renova is a Japanese renewable energy developer and power producer with growing retail operations targeting corporate decarbonization buyers. It is comparable to RE100 Denryoku as a vertically integrated renewable energy and PPA provider in Japan.
• UPDATER: UPDATER (formerly Earth Corporation Energy) provides renewable electricity retail and home energy services in Japan. It is comparable to RE100 Denryoku as a domestic renewable electricity retailer targeting ESG-conscious consumers and corporates.

Emerging players

• Apex Energy Japan: Apex Energy is a Japan-focused renewable energy aggregator and storage developer. It is comparable to RE100 Denryoku as an emerging competitor in the same Japanese renewable aggregation and corporate supply niche.

Regional players

• Octopus Energy: Octopus Energy is a UK-headquartered renewable-focused electricity retailer with growing international presence and aggregation capabilities. It is thematically comparable to RE100 Denryoku as a tech-enabled renewable retailer, although it does not directly compete in Japan today.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

Compliance1 record

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about RE100 Denryoku