ST Energy containerised battery storage system

Powering India's
Energy Transition.

Battery storage for every scale of India’s grid. From residential homes to utility grid. Reliable, Scalable, Smart battery storage.

About US

Clean energy.
Built for Generations.

ST Energy Private Limited manufactures IEC-certified battery energy storage systems in India, from stackable home units to grid-scale containerised BESS. Built on LFP chemistry rated for 8,000 to 12,000+ cycles, every system is assembled at our facility in MIDC Bhosari, Pune with intelligent BMS, liquid thermal management, and modular architecture that scales from kilowatt-hours to megawatt-hours.

As an IEC-certified BESS manufacturer, ST Energy meets international benchmarks for safety, performance, and grid compliance, powering utility-scale storage projects, C&I battery storage, solar-plus-storage, and residential energy storage across India. Backed by three decades of electrical EPC heritage, we deliver reliable, intelligent, and bankable lithium battery storage solutions built to accelerate India's clean energy transition.

5,994+

Capacity Deployed

Battery cycle life across every system: LFP chemistry, zero cobalt.

>6.25MWh

Product Range

From stackable home ESS to containerised utility-scale BESS.

100%

LFP Chemistry

Every cell is lithium iron phosphate: safer, longer-lasting, cobalt-free.

Lasting Relation With

Global clients that trust us

Adani
DMRC
HVPN
L&T
MSEDCL
NTPC
RVUNL
Torrent Power
UPCL
UPPCL
Adani
DMRC
HVPN
L&T
MSEDCL
NTPC
RVUNL
Torrent Power
UPCL
UPPCL

Industries & Sectors

Engineering Leadership

From residential rooftops to utility-scale grids. Our battery energy storage systems are engineered for every scale of deployment.

Sagher Tiwari

Sagher Tiwari

CO-FOUNDER AND CEO

Drives ST Energy’s vision, strategy, and key partnerships. Brings 8+ years of experience across electrical infrastructure and energy projects, with a track record of delivering complex EPC programmes on time and at scale.

Ashish Pandey

Ashish Pandey

CO-FOUNDER AND COO

Leads ST Energy’s operations and product engineering, streamlining processes, maintaining quality standards, and ensuring efficient execution across all business functions.

Our mission

Our mission is to transform the way the world stores and uses energy, creating a future that’s cleaner, smarter, and always powered.

Value Proposition

Why choose ST Energy?

From residential rooftops to utility-scale grids. Our battery energy storage systems are engineered for every scale of deployment.

ST Energy integrated energy ecosystem

Turnkey Solutions.

+

System Design

Comprehensive engineering and technical planning optimized for performance, safety, and long-term reliability across residential, commercial, and utility-scale deployments.

What they say about us

Client Testimonials

ST Energy emerged from a critical need in India’s energy sector: the bridge between intermittent renewable generation veterans.

A MULTI STATE INTEGRATED ENERGY COMPANY

Ready to power your project?

Whether you need a residential unit or a utility-scale deployment, our team will help design and configure the right solution for your requirements.