EMS Scada

SCADA Solutions Customized for Energy Storage Projects

Our SCADA systems are purpose-built to support the full scope of energy storage project requirements. At the heart of these systems is the Energy Management System (EMS), which functions as an intelligent supervisory platform that manages the dispatch of one or more energy storage or power generation units. The EMS ensures real-time monitoring and optimal performance of each system, while also enabling smooth integration and operation of multiple assets. The EMS is designed to tackle two major technical challenges commonly encountered in large-scale energy storage management:

Efficient scheduling of energy storage systems to ensure secure operation and achieve maximum performance benefits.

Electrical components inHarmonization of diverse systems, including those of varying capacities and technologies. Since many storage solutions incorporate components from different manufacturers, the EMS plays a key role in ensuring they work together seamlessly.spection.

EMS SCADA Solution Overview

Accessible via web browser

Fully customizable to meet project-specific needs

Supports modifications to control settings and operational modes

Displays Point of Interconnection (POI) data, including MW, MVar, voltages, and currents

Provides detailed inverter metrics such as MW, MVar, voltages, and currents

Monitors battery system status, including state of charge (SOC), state of health (SOH), power output (MW), voltage, and current

Offers battery module-level visibility, including SOC, SOH, temperature, current, and voltage

Functions as the Master Site Controller for real and reactive power dispatch, ensuring compliance with LGIA and PPA requirements

Includes comprehensive alarm and event monitoring

Affinity Power & Control EMS Solution is custom built to facilitate:

ITC compliance: Avoid charging from Grid.

Log all charging activity to establish 75-100% charging from renewable energy source in first five service years to fully capture the tax credits.

Control export of PV Power to Grid per user specific maximum limit by charging ESS.

Application to capture solar energy that is otherwise wasted during:

Mid-day inverter clipping

Curtailment from the utility.

ESS discharge to meet export requirements without exceeding export requirements.

Scheduled P/Q control of ESS at any time

Any additional site-specific requirements.

EMS Controller System Functions:

Inverter Controller interface

Supports advanced energy use cases such as load shifting and energy arbitrage

Delivers power control features including voltage regulation, grid support services, and renewable energy stabilization

Interfaces with both rack-level and central battery management systems (BMS)

Oversees battery functions such as charging, discharging, balancing, and maintaining state of charge (SOC)

Enables fast, automated remote shutdown to ensure operational safety

Provides data exchange with client systems through standard communication protocols like OPC-UA and DNP3

Hardware:

Windows based Virtualized or Standalone Servers for SCADA and Historian

SEL-3555 – PLC as Power Plant Controller

Full SCADA rack with single or redundant PLC(s)

Field Network communication enclosures

MET Stations (if solar on-site)