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Integration BESS Energy Management Applications
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General Ras Al Khaimah, UAE

Ras Al Khaimah Water Plant
Aims for 100% Green Power.

24/7
Operation Time
10MVA
Grid Capacity
35GWh
Yearly Consumption
100%
Renewable Target
The Challenge

100% LOCAL ENERGY COVERAGE.

A large-scale production facility in Ras Al Khaimah operated 24/7 with its entire electricity demand covered by the regional distribution grid (33kV, 10 MVA connection). Annual consumption exceeded 35 GWh, with load levels between 3–5 MW.

With flat, unused rooftops and adjacent land available, the client's ambition was to integrate photovoltaics and move toward 100% local energy coverage β€” to stabilize costs and secure long-term competitiveness.

Ras Al Khaimah's excellent solar conditions made PV a logical first step. However, with continuous 24/7 operation, PV alone could only supply up to 30% of consumption during daytime hours. The challenge: cover the remaining 70% β€” including nights, cloudy days and seasonal variability β€” without relying on the grid.

Large-scale photovoltaics β€” roof + ground-mounted
BESS for short-term balancing and backup
Distribution grid optimization to manage clipped energy
Project Specs
Client
Mineral Water Factory
Location
Ras Al Khaimah, UAE
Grid Connection
33 kV Β· 10 MVA
Annual Consumption
35 GWh
Load Profile
3–5 MW Β· 24/7
Sector
Industrial Β· Food & Beverage
Application
Solar + BESS Β· Off-Grid Target
"

The requirement was clear: ensure stable energy supply entirely from local renewable sources.

The Solution

A HYBRID POWER PLANT IN ONE SEAMLESS SYSTEM.

Volthein designed a hybrid power plant that integrates rooftop PV, ground-mounted PV, and a BESS into one seamless system β€” controlled by a single EMS layer.

01
3.3 MWp
Rooftop PV
  • Full coverage of available roof space
  • Direct consumption in production β€” no surplus
  • Bifacial modules for maximum yield
  • Minimal land use footprint
02
Single-axis
Ground-Mounted PV
  • Single-axis tracker with bifacial modules
  • Optimized for maximum annual yield
  • Adjacent land β€” minimal site impact
  • Feeds both direct load and BESS charging
03
4.4 MW / 7.5 MWh
BESS β€” Battery Storage
  • Short-term balancing and backup
  • Covers night-time and cloudy periods
  • Prevents grid dependency during PV gaps
  • Integrated with EMS for automated dispatch
04
10 MVA / 33 kV
Distribution Grid
  • Acts as an "accumulation buffer" for PV energy
  • Supplies energy back during months with reduced solar output
  • Manages clipped energy and seasonal variability
Project Results

WHAT THE SYSTEM DELIVERS.

100%
Renewable Energy Target
Full coverage of 35 GWh annual consumption from local solar + BESS β€” zero grid dependency as target state.
7.5MWh
Storage Capacity
BESS covers night-time hours and cloudy periods β€” ensuring 24/7 continuous production without grid fallback.
3+
Integrated Components
Rooftop PV, ground-mounted PV and BESS unified under one EMS β€” single control layer for the entire power plant.
35GWh
Annual Demand Covered
Entire facility consumption β€” 3–5 MW continuous load β€” supplied from on-site renewable generation and storage.
Project Outcome
A production facility that runs 24/7 on 100% locally generated renewable electricity β€” with no grid dependency and stable long-term energy costs.
Solar + BESS Off-Grid Target 24/7 Operation UAE
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Jan Misovic
Jan Misovic
Sales Manager
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