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Energy Efficiency in Hydraulic Systems
ENERGY EFFICIENCY

Energy Efficiency in Hydraulic Systems

Ways to achieve energy savings in industrial hydraulic systems, efficient pump selection, and system optimization.

December 10, 2025
12 min read
BRS PROSES
BRS PROSES Engineering Team

A fixed-displacement pump keeps pushing the same amount of oil regardless of whether the system needs it at that moment. The excess oil is dumped as heat through a bypass valve - and that's electricity you're paying for and wasting.

Typical Savings Range

20-30% electricity savings  |  Payback: 1.5-2 years

1. The Hidden Cost of Fixed-Displacement Systems

Even while the cylinder sits idle much of the time on a production line, a fixed-displacement pump keeps running at full flow. That extra energy builds up as heat, raising both cooling needs and oil aging.

1.1. The Payoff of Switching to Variable-Displacement

Variable-displacement pumps automatically adjust flow to system demand. On a heavily-used line, this change can deliver notable savings in electricity consumption.

MethodTypical SavingsPayback Period
Variable-displacement pump20-30%1.5-2 years
VFD integration15-25%1-2 years
Filter/line maintenance5-10%Within months
  • VFD Integration: adjusts pump RPM in real time to demand, saves under variable load profiles
  • Heat Management: dirty filters and narrow lines create unnecessary pressure drop that turns into heat
  • Energy Audit: measuring the real load profile is the only reliable way to decide the right investment

"Rather than guessing which measure will save the most, measuring the system's real load profile is the only reliable path to the right investment decision."

— BRS PROSES Engineering Team
Hydraulic Power Unit
Efficient Pump Selection

2. BRS Proses Energy Audit

  • Pressure and flow profile measurement
  • Variable-displacement pump / VFD feasibility analysis
  • Heat loss source detection
  • Return-on-investment calculation