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300 kW Solar Power System for Business. Save Up to UAH 3.84 Million per Year

A solution for businesses with high daytime electricity demand. Available in grid-tied or hybrid configurations with battery storage.

  • Grid-Tied System Payback from 1.8 Years
  • Annual Electricity Generation of Up to 390,000 kWh
  • 520 kWh Battery Storage in the Hybrid Configuration
  • Backup Power During Grid Outages
  • Turnkey Installation in as Little as 21 Days
  • Equipment Warranties of Up to 25 Years
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300 kW Solar Power System — A Ready-to-Install Solution for Business

A 300 kW solar power system is designed for businesses with high daytime electricity demand, replacing a significant share of grid electricity with power generated on-site.

The system is available in grid-tied or hybrid configurations. The hybrid version includes a 520 kWh battery storage system with 468 kWh of usable capacity and provides backup power during grid outages.

Specifications

System Power

300 kW

Annual Generation

Up to 390,000 kWh

Solar Panel Area

1,285.3 m²

Number of Panels

485 panels × 620 W

Connection Type

Grid-Tied or Hybrid

Service Life

25+ Years

Solar Panel Warranty

25-Year Performance Warranty

Inverter Warranty

5 Years

Estimated Cost

300 kW Grid-Tied Solar Power System

From USD 156,700 incl. VAT

A conventional solar power solution designed to reduce electricity costs.

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The final cost depends on equipment selection, installation complexity, and system configuration.

300 kW Hybrid Solar Power System + 520 kWh Battery Storage

From USD 260,600 incl. VAT

A solar power system with battery storage to keep essential operations running during grid outages.

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The final cost depends on equipment selection, installation complexity, and system configuration.

How Much Can You Save with a 300 kW Solar Power System?

A grid-tied solar power system reduces electricity costs by replacing grid electricity with power generated on-site. In a typical scenario, a business consumes around 36,000 kWh per month, while a 300 kW solar power system generates approximately 320,384 kWh per year — equivalent to about 74% of its annual electricity consumption. For the hybrid configuration, financial benefits are calculated individually based on how the battery storage system is used.

Without Solar (Annual Electricity Costs)

36,000 kWh × 12 months × UAH 12

UAH 5,184,000/year

432,000 kWh Annual Electricity Consumption

With a 300 kW Solar Power System (Savings)

Solar Generation: ~320,384 kWh/year × UAH 12

≈ UAH 3,844,608/year

Remaining Grid Consumption: ~111,616 kWh/year (≈ UAH 1,339,392/year)

Payback and Long-Term Savings

Payback Period:

UAH 6,791,645 / UAH 3,844,608 = ≈1.8 years

Savings Over the Next 20 Years:

UAH 3,844,608 × 20 = ≈UAH 76,892,160

Protection Against Rising Electricity Tariffs

Generating your own solar power reduces the amount of electricity your business needs to buy from the grid, making operating costs less vulnerable to future tariff increases.

Get an Accurate Estimate for My Facility

300 kW Solar Power System — for Businesses Using 34–38 MWh per Month

This solution is well suited to medium-sized businesses with consistent daytime electricity demand and enough available space for solar panels.

Suitable for:

Warehouses and Logistics Centers

Lighting, ventilation, and refrigeration equipment account for much of the electricity used during daytime operations.

Agricultural Businesses

Grain storage facilities, farms, livestock operations, and greenhouses typically have high daytime electricity demand.

Manufacturing Facilities

Machinery, production equipment, and ventilation systems typically operate during working hours, which align well with peak solar generation.

Gas Stations and Car Washes

Pumps, compressors, lighting, and car wash equipment create a steady electricity demand throughout the day.

Retail Stores and Supermarkets

Refrigeration, air conditioning, and lighting drive electricity consumption during business hours.

Office Buildings and Business Centers

Air conditioning, lighting, and office equipment account for most electricity consumption during the day.

What's Included in the 300 kW Solar Power System?

A complete solar power system is more than just panels on a roof. It is a carefully selected set of equipment for generating and converting electricity and, in the hybrid configuration, storing it for later use.

Solar Panels (485 Units)

• Brands: JA Solar / LONGi / Trina Solar
• Power Rating: 620 W per panel
• Type: Monocrystalline, MBB, half-cell, Tier 1
• Total Capacity: 300.70 kW

KSTAR 125 kW / 260 kWh All-in-One ESS (2 Units)

KSTAR KAC125DP2 + BC260DE2A

KSTAR EMS01D

Second-level EMS communication box for coordinating multiple KSTAR systems.

KSTAR Meters (2 Units)

Three-Phase Smart Meter

Mounting System (485 Sets)

Ballasted Mounting System

Additional Components and Installation Materials

Circuit breakers, protection devices, cables, distribution board, connectors, fuses, and other components as required by the project.

Solar and Battery Storage System Design
Solar and Battery Storage System Installation

Warranties

Solar Panels

25-Year Performance Warranty (Minimum 80% Output)

Inverters

5 Years

Installation Work

2 Years

Mounting System

10 Years

Battery Storage

5+5 Years

Solar Power and Battery Storage for Your Business

Generate your own electricity and store it for when you need it. Cut electricity costs by up to 70% and maintain a reliable power supply around the clock.

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Your 300 kW Solar Power System, Ready to Operate in as Little as 21 Days

Get a complete, ready-to-use system without having to manage paperwork, suppliers, or multiple contractors. One contractor, full responsibility.

Site Assessment and Initial Estimate (1–2 Days)

What We Do:

• Free On-Site Visit by an Engineer
• Analyze Electricity Consumption and Roof Conditions
• Estimate Potential Savings

What You Get:

A Technical Assessment and Preliminary Cost Estimate

Commercial Proposal (2 Days)

What We Do:

• Develop a Detailed System Design
• Select Equipment to Match Your Budget
• Calculate the Payback Period

What You Get:

A Complete Commercial Proposal with Pricing, Timeline, and Warranty Details

Contract and Advance Payment (1 Day)

What We Do:

• Sign a Fixed-Price EPC Contract
• Agree on the Work and Payment Schedule
• Confirm the Project Start Date

What You Get:

Clear Contractual Guarantees and Commitments

Equipment Delivery and Installation (13 Days)

What We Do:

• Procure and Deliver the Equipment
• Install the Mounting Structures and Solar Panels
• Connect the Inverters and Protection Systems
• Set Up System Monitoring

What You Get:

A Fully Installed System with Completed Work Documentation

Commissioning and Training (1–2 Days)

What We Do:

• Connect the System to Your Facility’s Electrical Network
• Test and Commission the System
• Train Your Staff

What You Get:

A Fully Operational Solar Power System, Operating Instructions, and Access to Monitoring

Estimated Financial Performance of a 300 kW Grid-Tied Solar Power System

Metric Before Solar After Solar Savings
Monthly Electricity Consumption 36,000 kWh 36,000 kWh —
Monthly Solar Generation — ≈26,699 kWh —
Monthly Grid Electricity Consumption 36,000 kWh ≈9,301 kWh ≈26,699 kWh
Monthly Electricity Costs UAH 432,000 ≈UAH 111,616 ≈UAH 320,384
Annual Electricity Costs UAH 5,184,000 ≈UAH 1,339,392 ≈UAH 3,844,608

This estimate is based on an electricity tariff of UAH 12/kWh. Actual generation and savings depend on the season, electricity consumption profile, tariff, and the share of solar power used on-site.

300 kW Grid-Tied Solar Power System Payback
  • System Cost:

    From UAH 6,791,645

  • Payback Period:

    From Approximately 1.8 Years

  • Savings Over 20 Years:

    ≈ UAH 76,892,160

With typical electricity consumption of around 36,000 kWh per month, a 300 kW grid-tied solar power system can generate approximately 320,384 kWh per year and cover about 74% of the business's annual electricity consumption. At a tariff of UAH 12/kWh, this represents savings of up to UAH 3.84 million per year and an estimated payback period of around 1.8 years.

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Frequently Asked Questions About 300 kW Solar Power Systems
How Much Roof Space Is Required?
Will the Solar Power System Work During a Grid Outage?
Can Solar Panels Be Installed on a Rented Building?
What Maintenance Does a Solar Power System Need, and How Much Does It Cost?
How Quickly Will a Solar Power System Pay for Itself at My Facility?

Ready to discuss your project?

E-mail

General questions and CP

info@alteco.in.ua

Sales department

Mon–Fri, 9:00–18:00

+38 (067) 505 95 36

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info@alteco.in.ua