Aggregator Collaboration Partners — Aggregating Distributed Resources to Maximize Market Value

Participation in the frequency regulation market, capacity market, and wholesale electricity market requires collaboration with an aggregator (resource aggregator). REVIX JAPAN is pursuing collaboration with existing aggregator businesses and strategic partnerships with businesses considering entry into the aggregation sector. Whether as a partner that holds grid-scale BESS resources, or as a specialist in market operations, let us work together to unlock the value of distributed energy resources.

Why Aggregator Collaboration Matters

Grid-Scale BESS Revenue Is Realized Through Aggregators

The primary revenue sources for grid-scale BESS are the following three markets:

Under the current framework, low-voltage grid-scale BESS (49.9 kW) participates in the frequency regulation market as Primary Frequency Response (offline). Given the anticipated regulatory changes from 2026 onward, an optimized market participation strategy is essential.

Collaboration Patterns

Pattern 1: Resource Provision Collaboration with Existing Aggregators

A model in which grid-scale BESS resources owned and managed by REVIX JAPAN are incorporated into the pool of an existing aggregator business.

• The aggregator participates in the frequency regulation market and other markets using REVIX-managed BESS assets
• Revenue sharing schemes are negotiated individually
• Management, monitoring, and dispatch response are handled by the aggregator (partial joint response available)

Pattern 2: Joint Aggregation with REVIX JAPAN

A model in which the aggregator function is jointly operated in partnership with REVIX JAPAN.

• REVIX JAPAN develops BESS systems and projects; the partner provides the aggregation function
• A long-term partnership linking BESS expansion to market revenue
• Joint bidding and joint registration schemes are negotiated individually

Pattern 3: Support for New Aggregator Market Entrants

A model supporting businesses that are newly entering the aggregation sector.

• Securing grid-scale BESS resources (property introductions and installation support)
• Information sharing on frequency regulation market regulations and procedures
• Regular updates on changes in electricity market regulations and policies
• Detailed regulatory compliance must be verified and addressed by each business independently

Frequency Regulation Market Basics (Aggregator Collaboration Context)

Primary Frequency Response (Offline)

An adjustment resource that automatically adjusts output in response to grid frequency deviations. Low-voltage grid-scale BESS (49.9 kW) participates in this category under the current framework.

• Response speed: Within a few seconds
• Procurement mechanism: Standby compensation per ΔkW
• Market bidding: Aggregator bids on a weekly and monthly basis

Key Changes from 2026 Onward

Based on trends from the Organization for Cross-regional Coordination of Transmission Operators (OCCTO) and electricity supply-demand review meetings, revisions to the frequency regulation market rules are ongoing. Changes to the conditions for low-voltage BESS market participation are also anticipated, making it important to continuously monitor the latest regulatory information.

(The regulatory information on this page reflects the trial phase and the time of writing. Please verify the latest information through official publications from the relevant authorities.)

Benefits of Collaboration

• Secure a stable supply of grid-scale BESS resources
• Reduce resource maintenance and management costs through collaboration with REVIX JAPAN's EPC and O&M functions
• Expand aggregation volume in step with growing BESS adoption
• Enable joint market development and regulatory response