Battery Energy Storage Systems (BESS) – Residential, C&I & Utility

Scalable and modular Lithium Battery Energy Storage Systems (ESS) designed to optimize self-consumption, shaving peak load demands, and securing grid stabilization. Multi-brand supply and integration of Waaree and Headspring (Japan) solutions.

Multi-Brand Battery Energy Storage Systems & Solutions

Variate Solar provides end-to-end electrical design, procurement, and site integration for scalable lithium battery storage solutions from home systems to utility sub-stations.

Variate Solar is a leading multi-brand BESS integrator and channel partner. We supply and install empanelled Waaree storage solutions for residential backup, alongside high-capacity Waaree and Headspring (Japan) LFP outdoor cabinets (100kW to multi-MW) for Commercial & Industrial peak shaving and utility-scale grid stabilization.

Our Scalable BESS Product Portfolio

We categorize our energy storage cabinet configurations into three application profiles matching specific grid and load demands.

Residential

Residential Storage Solutions

Residential Solar Battery Backup

Compact, space-saving lithium battery packs designed for residential properties. Ensures uninterrupted home backup power, maximizing self-consumption of rooftop solar generation.

Sizing Range:5 kWh to 20 kWh
Cell Chemistry:Lithium-Ion
Monitoring:App-based local control
Waaree logo
C&I Storage

Commercial & Industrial BESS

Commercial & Industrial BESS Cabinet

All-in-one outdoor storage cabinets combining lithium packs, converter, Static Transfer Switch (STS), and local Energy Management System (EMS) for peak shaving and factory backup.

Sizing Range:100 kW / 224 kWh Cabinet
Transfer Speed:< 20 ms via STS
Protection:IP54 Enclosure + HVAC
Headspring logo Waaree logo
Utility Scale

Utility Storage Solutions

Utility-Scale BESS Container

High-voltage containerized energy storage arrays designed to stabilize utility grids, balance renewable solar/wind farm generation spikes, and support DSM load-shifting schedules.

Sizing Range:Multi-MW Scale
Primary Duty:Grid stability & shifting
Efficiency:High conversion index
Headspring logo Waaree logo

Strategic Technology Partnerships

Variate Solar acts as a key multi-brand supplier and system integrator. We are an authorized partner for Headspring (Japan) BESS solutions in India, coordinating engineering, commissioning, and direct billing via Variate Solar Pvt. Ltd. Additionally, we are key channel partners distributing Waaree Energies BESS and ESS solutions across operating states, with billing routed via our legal billing entity Aryam Sustainables.

Multi-Tier BESS Comparative Specifications

Compare the key electrical, capacity sizing, and application parameters across our residential, commercial, and utility storage configurations.

Technical ParameterResidential StorageCommercial & Industrial (C&I)Utility-Scale Storage
Target ApplicationsHome backup, maximizing solar self-consumptionPeak load shaving, demand cost reduction, factory backupGrid-wide stability, solar/wind integration, load shifting
Capacity Sizing5 kWh to 20 kWh scalable configurations100 kW / 224 kWh scalable cabinetsMulti-MW custom containerized arrays
Battery ChemistryLithium-Ion / LiFePO4 modulesLithium Iron Phosphate (LFP) 100Ah cellsHeavy-duty modular LFP cells
Safety & HVACPassive cooling, built-in protection logicIndustrial AC/HVAC, Aerosol firefightingAdvanced liquid/forced-air HVAC, auto aerosol systems
Grid Transfer SpeedStandard backup switch time< 20 ms transfer time via integrated STSGrid-compliant sub-cycle response times
Communication InterfaceApp monitoring (WiFi / Cellular)RS485 (Modbus RTU) / RJ45 LAN / 4G wirelessHigh-speed ethernet, fiber-optic, Modbus-ready
Contract / Billing EntityAryam Sustainables (Waaree lines)Variate Solar Pvt. Ltd. (Headspring) / Aryam (Waaree)Variate Solar Pvt. Ltd. / Aryam Sustainables

Operational Reality & Lived Engineering Experience

Mitigating silent failure modes and managing critical integration challenges in commercial and industrial BESS installations.

“Whether it is a 5 kW home backup pack in Raipur or a multi-MW utility-scale storage system for grid stability, battery storage is the critical balancing act of India’s hybrid grid. By partnering with global technology leaders like Headspring Japan and Waaree Energies, we ensure that our developers get pre-commissioned, Modbus-ready BESS installations with direct manufacturer warranties.”

Anand Meshram, CEO of Variate Solar

Critical Field Failure Modes & Design Mitigation:

  • Thermal Management in High-Temperature Zones: Central India (e.g. Chhattisgarh/Maharashtra) routinely exceeds 45°C ambient temperatures. Headspring and Waaree C&I cabinets feature dedicated industrial air conditioning (HVAC) and intelligent ducting to maintain cells below 35°C, preventing accelerated degradation.
  • Tripping of Sensitive Electronic Loads during Outages: Standard battery backups take 100ms to 200ms to switch, which causes PLCs, computer servers, and induction motors to trip. The integrated Static Transfer Switch (STS) on our C&I cabinets limits grid transfer to under 20ms, guaranteeing absolute load continuity.
  • Telemetry Protocol Silos & SLDC Compliance: Combining legacy BMS, solar inverters, and meters often leads to communication dropouts. Variate Solar pre-maps all RS485 Modbus registers, facilitating seamless closed-loop control and telemetry reporting via preferred SCADA networks like Enercog.

Request Technical Specifications & Sizing Slabs

Submit your industrial load profile, backup capacity requirements, or project details to receive a customized BESS sizing layout and pricing matrix.