SODEN

What SODEN does

SODEN (株式会社操電, Kabushiki Kaisha Soden) is a Tokyo-based virtual power plant (VPP) startup founded in 2022 that builds software platforms to aggregate and coordinate distributed energy resources — including household batteries and electric vehicles — into dispatchable virtual grid power plants. The company's core product is a VPP aggregation platform that enables grid balancing and energy optimization by coordinating the charge/discharge behavior of distributed assets for grid operators and energy market participants in Japan. SODEN has stated a 2030 target to integrate household batteries and EVs into its VPP network.

In October 2025, SODEN closed a seed funding round totaling ¥22.6 billion (including debt) from a syndicate of investors including HERO Impact Capital, Ibis Partners, AG Capital, and RS Holdings — an outsized seed raise by Japanese standards that signals a capital buildout phase rather than validation of an existing revenue stream. The company's go-to-market, pricing model, customer segments, and headcount are not publicly disclosed. Internationally, the firm lists no global footprint beyond Japan, and no operating partners, customer logos, or regulatory licenses are mentioned in the available sources.

Name

SODEN

Legal name

株式会社操電 (Kabushiki Kaisha Soden)

Website

https://soden-inc.jp

Company type

Private

Founded year

2022

Operating status

Operating

Short description

SODEN is a Tokyo-based virtual power plant startup that aggregates distributed energy resources such as household batteries and electric vehicles into dispatchable virtual grid power plants for grid operators and energy market participants in Japan.

Ownership category

akta.pro rank

Product category

Virtual Power Plant / Energy Management Software

NAICS

Electric Power Generation, Transmission and Distribution (2211)

SIC

Electric Services (4911)

akta.pro primary industry

VPP Orchestration & Aggregator Operating Platforms (EUAFAKAC)

akta.pro secondary industries

VPP Optimization, Forecasting & Dispatch Software (AI/ML, Digital Twins) (EUAFAHAG), Commercial & Industrial (C&I) DER Aggregation & Load Flexibility (EUAFAHAB), Virtual Power Plant (VPP) / Distributed Energy Resources (DER) Aggregation for Balancing (EUAGAKAI)

Keywords

• Virtual power plants
• Distributed energy aggregation
• EV charging integration
• Grid balancing services
• Energy management software

Headquarters

HQ city

Tokyo

HQ country

Japan

HQ region

Asia

Markets served

GTM type

B2B

Offering type

Software

Cost components

Technology or R&amp, D, Personnel, Operations, Marketing or Sales

Core offering

SODEN operates a Virtual Power Plant (VPP) platform that aggregates distributed energy resources—primarily household batteries and electric vehicles (EVs)—into a coordinated virtual grid asset. The platform enables utilities and grid operators to access flexible, distributed energy capacity for grid balancing and demand-side services. [Inferred from company category and the seed funding context indicating an early-stage energy-technology venture.]

Product overview

SODEN is a virtual power plant (VPP) startup that offers a unified platform for aggregating and managing distributed energy resources. The company provides VPP solutions that integrate household batteries and electric vehicles to create virtual grid power plants, enabling grid operators to balance supply and demand through coordinated distributed energy resources.

Differentiator

Problem solved

Functional benefit

Products and services

• Virtual Power Plant (VPP) Platform A Virtual Power Plant platform that aggregates distributed household batteries and electric vehicles into a unified, grid-scale flexible energy asset. Targeted at utilities, grid operators, and energy aggregators that require distributed capacity for grid balancing and demand response.

Ideal customer profiles1 record

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Scale indicators1 record

Recent moves4 records

Expansion highlights4 records

Broad incumbents

• AutoGrid (Schneider Electric): AutoGrid, now part of Schneider Electric, builds DER and VPP aggregation and forecasting software for utilities and energy providers. Its functionality closely mirrors SODEN's platform, with a broader incumbency and enterprise customer base.
• Sunrun: Sunrun is the largest US residential solar and storage installer and has been building a virtual power plant over its installed base of household batteries. Comparable to SODEN's residential battery aggregation model, with established hardware and customer base in North America.
• Fluence: Fluence is a leading global VPP and energy storage software provider offering optimization, dispatch, and aggregation platforms for utility-scale and DER portfolios. It is comparable to SODEN as a direct competitor in the VPP orchestration and aggregation software category, though at much larger scale.
• Tesla (Autobidder / Virtual Power Plant): Tesla operates Autobidder, a real-time trading and VPP platform that aggregates distributed batteries (Powerwall) and EV storage into grid services. This overlaps directly with SODEN's household battery + EV aggregation focus, while Tesla brings far greater scale and existing hardware footprint.

Direct peers

• Stem Inc: Stem provides AI-driven energy storage optimization and VPP services for commercial and industrial customers and increasingly residential aggregations. It is directly comparable to SODEN's VPP aggregation and optimization platform, though Stem's footprint is primarily in North America.
• Next Kraftwerke: Next Kraftwerke operates one of Europe's largest VPPs, aggregating thousands of distributed generation, storage, and flexible load assets into balancing and ancillary markets. Comparable to SODEN as a pure-play VPP aggregator, but with deeper market presence and a different regulatory regime.
• OhmConnect: OhmConnect aggregates household DERs (including EV charging and batteries) into demand response and VPP programs to sell grid flexibility. It is a focused direct peer to SODEN's residential DER aggregation model, particularly for the household battery + EV use case.
• GridBeyond: GridBeyond is a VPP and distributed energy optimization platform serving commercial, industrial, and residential assets in multiple markets. It is directly comparable to SODEN as a software-led aggregator across heterogeneous DERs, though with a primarily European footprint.
• Nature Inc. Nature is a Japanese energy tech and VPP-adjacent company operating residential energy services and battery-related programs. It is one of the closest direct Japanese peers to SODEN, competing for residential DER aggregation customers in the same market.

Regional players

• ENERES Co., Ltd. ENERES is a Japanese energy services company active in retail electricity, demand response, and distributed energy aggregation. It is a strong regional comparable to SODEN given its Japan-based operations and involvement in DER/DR programs.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat3 records

Key risks6 records

Key highlights5 records

Customer concentration

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds2 records

Investors4 records

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 SODEN