Battery energy storage systems (BESS) are rapidly becoming the backbone of grid flexibility, but their profitability hinges on one invisible factor: data integrity.

Every day leading up to Commercial Operation Date (COD), project teams face an invisible risk. Misaligned telemetry, missing measurements, and fragmented data exchanges can silently drain up to 20% of expected revenues.

That’s why Cellect created the 90-Day Rollout Checklist — a practical guide designed for asset managers, operators, and data leads to establish a warranty-grade data foundation before COD. It’s the missing link between engineering precision and commercial success.

In the race to COD, battery projects often lose momentum not because of technology, but because of data friction. Mismanaged signals between SCADA, EMS, and commercial systems can delay commissioning, block warranty claims, and undermine revenue forecasts.

Our whitepaper draws from Cellect’s field experience helping operators close this gap across Europe. It distills lessons learned from real projects, offering a clear, phase-by-phase framework to eliminate integration risks and ensure your BESS fleet is data-ready from day one.

You’ll gain access to:

• A structured 90-day roadmap that prepares your data infrastructure for COD

• Checklists and examples for telemetry, KPIs, alarms, and partner data requirements

• Practical guidance to standardize data exchange across OEMs, optimizers, and analytics partners

• Expert insights on how to turn fragmented data flows into interoperable APIs

The whitepaper walks you through four key phases of COD readiness:

1. Documentation & Requirements (-90 days) Identify and align the measurements, alarms, and warranty documents that define your data baseline.

2. Data Logging Scope & Setup (-60 days) Turn your requirements into infrastructure — define signals, access rights, and cybersecurity measures that ensure traceability.

3. End-to-End Testing (-30 days) Validate your telemetry and data integrations across all systems to ensure no signal is lost when your site goes live.

4. Operational Optimization (After COD) Learn how to use your newly structured data to track performance, protect warranties, and identify revenue improvement opportunities.

Data integrity isn’t built overnight — but with a clear plan, it can be achieved in 90 days. Download the whitepaper to learn how Cellect’s proven framework helps operators bridge the gap between technical precision and commercial performance.