Japan's Largest Renewable Energy Operators Tokyu Land Corporation and Reene, and Mitsubishi Electric with Advanced Energy Management Technology, Form a Three-Company Business Alliance to Enhance the Energy Value Chain
Tokyu Land Corporation, Reene, and Mitsubishi Electric have formed a business alliance to promote the advancement of the energy value chain centered on renewable energy. They aim to create environmentally advanced living and industrial urban development by utilizing digital and AI technologies for decarbonization solutions.
📋 Article Processing Timeline
- 📰 Published: May 13, 2026 at 20:00
- 🔍 Collected: May 13, 2026 at 11:31
- 🤖 AI Analyzed: May 13, 2026 at 12:10 (38 min after Collected)
Tokyu Land Corporation (Head Office: 1-21-1 Dogenzaka, Shibuya-ku, Tokyo; Representative Director: Tatsuaki Tanaka; hereinafter "Tokyu Land Corporation"), Reene Co., Ltd. (Head Office: 1-21-1 Dogenzaka, Shibuya-ku, Tokyo; Representative Director: Keisuke Nishida; hereinafter "Reene"), and Mitsubishi Electric Corporation (Head Office: 2-7-3 Marunouchi, Chiyoda-ku, Tokyo; Representative Executive Officer, President & CEO: Kei Uruma; hereinafter "Mitsubishi Electric") are pleased to announce that they have agreed to a three-company business alliance and signed a basic agreement to promote the advancement of the energy value chain*1 centered on renewable energy (hereinafter "renewable energy") by utilizing the latest digital and AI technologies and data platforms, aiming for environmentally advanced living and industrial urban development.
*1 A concept indicating the process from energy production to consumption.
Background of the Business
Amidst the global trend towards carbon neutrality, the introduction of renewable energy is progressing in Japan to realize a decarbonized society. In particular, the installed capacity of solar power generation has expanded approximately tenfold since the start of the Feed-in Tariff (FIT) system in 2012, significantly changing the power supply structure.
On the other hand, there is a demand to address various issues such as increased output fluctuations due to the rising proportion of renewable energy, congestion in the power grid, soaring energy prices caused by international circumstances, and the risk of power outages during natural disasters.
To address these challenges, there is a growing need to improve the accuracy of renewable energy generation forecasts and reduce grid load through supply-demand adjustment using storage batteries on the generation and grid side. Additionally, the importance of "demand-side decarbonization and energy management" is increasing. This involves integrally controlling distributed energy resources (DER) such as renewable energy, storage batteries, EVs, air conditioning, and heat sources, which are dispersed in buildings, homes, and factories, using digital technology to create supply-demand adjustment capabilities, reduce electricity bills, and improve resilience during natural disasters.
Purpose of this Alliance
In this alliance, Tokyu Land Corporation, which has the strength to integrally develop and operate both real estate (electricity demand) and renewable energy/storage batteries (electricity supply); Reene, a retail electricity provider strong in renewable energy PPA*2; and Mitsubishi Electric, which has strengths in advanced energy solutions utilizing digital technology and data platforms, including the digital platform "Serendie®*3," will collaborate. By promoting the advancement of the energy value chain, expanding the introduction of renewable energy, improving energy self-sufficiency, and promoting GX (Green Transformation) and DX (Digital Transformation) in real estate, they aim to realize environmentally advanced living and industrial urban development.
*2 Power Purchase Agreement for purchasing renewable energy electricity.
*3 "Serendie" is a registered trademark of Mitsubishi Electric Corporation.
Strengths of Each Company
Joint Study Areas
In the following areas, each company will maximize the use of its management resources such as know-how, technology, and human resources. Furthermore, in the future, they will further strengthen cooperation, including the integrated control of electricity and heat in demand facilities and the utilization of next-generation technologies that contribute to the realization of smart cities.
(1) Construction of a direct supply model to achieve local production and consumption of renewable energy
Towards promoting GX in real estate and realizing local electricity circulation, they will proceed with studies on supply schemes that directly connect renewable energy sources and demand facilities via private lines, and the construction of local microgrids. Furthermore, by combining supply-demand management technology that considers storage batteries and demand-side load characteristics, they will aim for efficient and maximum utilization of renewable energy. They also aim to create new value in the region by reducing dependence on the power grid and realizing local production and consumption of electricity.
(2) Construction of a 24/7 Carbon Free Energy (CFE)*4 model to achieve decarbonization of demand facilities
They aim to construct a 24/7 CFE model for demand facilities through the aggregation of renewable energy power and environmental value, and advanced operation combining storage batteries and supply-demand adjustment. At the same time, they will work on developing decarbonization solutions for demand facilities, such as real-time control of environmental value and energy value, and flexible energy exchange between multiple locations through self-consignment.
*4 To match electricity consumption with the supply of CO2-free electricity on an hourly basis, 24 hours a day, 365 days a year.
(3) Development of an energy management business utilizing storage batteries and renewable energy sources
They will work on creating a mechanism for integrated control and optimal operation that bundles energy resources such as grid-scale storage batteries, solar power plants, and wind power plants, and maximizes their value through market operation. As part of this initiative, they will also consider establishing a joint venture company that will be the main entity for this business.
Conceptual Image of Joint Study Areas
Comments from Stakeholders
Keisuke Nishida, Executive Officer, Senior Managing Director, Head of Environmental Energy Business Division, Tokyu Land Corporation, and Representative Director, Reene Co., Ltd.
"Tokyu Land Corporation and Reene own numerous renewable energy generation facilities."
*1 A concept indicating the process from energy production to consumption.
Background of the Business
Amidst the global trend towards carbon neutrality, the introduction of renewable energy is progressing in Japan to realize a decarbonized society. In particular, the installed capacity of solar power generation has expanded approximately tenfold since the start of the Feed-in Tariff (FIT) system in 2012, significantly changing the power supply structure.
On the other hand, there is a demand to address various issues such as increased output fluctuations due to the rising proportion of renewable energy, congestion in the power grid, soaring energy prices caused by international circumstances, and the risk of power outages during natural disasters.
To address these challenges, there is a growing need to improve the accuracy of renewable energy generation forecasts and reduce grid load through supply-demand adjustment using storage batteries on the generation and grid side. Additionally, the importance of "demand-side decarbonization and energy management" is increasing. This involves integrally controlling distributed energy resources (DER) such as renewable energy, storage batteries, EVs, air conditioning, and heat sources, which are dispersed in buildings, homes, and factories, using digital technology to create supply-demand adjustment capabilities, reduce electricity bills, and improve resilience during natural disasters.
Purpose of this Alliance
In this alliance, Tokyu Land Corporation, which has the strength to integrally develop and operate both real estate (electricity demand) and renewable energy/storage batteries (electricity supply); Reene, a retail electricity provider strong in renewable energy PPA*2; and Mitsubishi Electric, which has strengths in advanced energy solutions utilizing digital technology and data platforms, including the digital platform "Serendie®*3," will collaborate. By promoting the advancement of the energy value chain, expanding the introduction of renewable energy, improving energy self-sufficiency, and promoting GX (Green Transformation) and DX (Digital Transformation) in real estate, they aim to realize environmentally advanced living and industrial urban development.
*2 Power Purchase Agreement for purchasing renewable energy electricity.
*3 "Serendie" is a registered trademark of Mitsubishi Electric Corporation.
Strengths of Each Company
Joint Study Areas
In the following areas, each company will maximize the use of its management resources such as know-how, technology, and human resources. Furthermore, in the future, they will further strengthen cooperation, including the integrated control of electricity and heat in demand facilities and the utilization of next-generation technologies that contribute to the realization of smart cities.
(1) Construction of a direct supply model to achieve local production and consumption of renewable energy
Towards promoting GX in real estate and realizing local electricity circulation, they will proceed with studies on supply schemes that directly connect renewable energy sources and demand facilities via private lines, and the construction of local microgrids. Furthermore, by combining supply-demand management technology that considers storage batteries and demand-side load characteristics, they will aim for efficient and maximum utilization of renewable energy. They also aim to create new value in the region by reducing dependence on the power grid and realizing local production and consumption of electricity.
(2) Construction of a 24/7 Carbon Free Energy (CFE)*4 model to achieve decarbonization of demand facilities
They aim to construct a 24/7 CFE model for demand facilities through the aggregation of renewable energy power and environmental value, and advanced operation combining storage batteries and supply-demand adjustment. At the same time, they will work on developing decarbonization solutions for demand facilities, such as real-time control of environmental value and energy value, and flexible energy exchange between multiple locations through self-consignment.
*4 To match electricity consumption with the supply of CO2-free electricity on an hourly basis, 24 hours a day, 365 days a year.
(3) Development of an energy management business utilizing storage batteries and renewable energy sources
They will work on creating a mechanism for integrated control and optimal operation that bundles energy resources such as grid-scale storage batteries, solar power plants, and wind power plants, and maximizes their value through market operation. As part of this initiative, they will also consider establishing a joint venture company that will be the main entity for this business.
Conceptual Image of Joint Study Areas
Comments from Stakeholders
Keisuke Nishida, Executive Officer, Senior Managing Director, Head of Environmental Energy Business Division, Tokyu Land Corporation, and Representative Director, Reene Co., Ltd.
"Tokyu Land Corporation and Reene own numerous renewable energy generation facilities."