The grid stability challenges

As power systems evolve, grid operators face mounting challenges in keeping electricity networks stable and reliable. Rapid growth in renewables, the decline of traditional rotating machinery, and increasing variability in supply all place new demands on grids. Understanding these pressures is essential for building a resilient, future‑proof energy system.

Renewable energy growth

Wind and solar power are expanding rapidly, but their variable nature creates new challenges for grid operators who must maintain constant frequency.

Loss of mechanical inertia

Traditional fossil fuel plants provided essential rotating inertia that stabilized grids. As these plants retire, this crucial stabilizing force is disappearing.

Grid stability risks

Without adequate inertia and reactive power support, grids face increased risks of frequency fluctuations, voltage instability, and potential blackouts.

ABB’s extensive turnkey solution for a stable grid

We help grid operators and energy developers ensure efficient, resilient, and future-ready power systems with tailored synchronous condenser solutions, offering real-time plant reporting and control, backed by decades of global experience and industry-leading integration expertise.

Synchronous Condensers are rotating electrical machines that resemble synchronous generators. However, they are not a generator as they are not driven by an engine or turbine. Neither are they a motor, as they do not drive a load. Instead, they are large rotating machines that adjust fluctuating conditions of an electric grid. Installed at strategic intervals along a power transmission system, Synchronous Condensers help maintain power quality.

ABB’s Synchronous condensers have been designed to meet project-specific needs in England, Australia, Canada, and Scotland. And with today’s influx of renewables, a synchronous condenser is the most secure solution to mitigate severe faults that could collapse a grid, or to strengthen a weak grid.

Key facts

Technology has been in use for over 100 years

Supports increasing integration of renewable energy sources

Most secure solution to mitigate faults

Read our white paper
Our comprehensive white paper, "Stabilizing the Future," explores how synchronous condensers are essential for integrating renewable energy and ensuring a reliable power supply.

What's inside:

Market and regulatory trends: Understand the driving forces behind the demand for grid support technologies
Technical advantages: Discover the unique benefits of synchronous condensers compared to other solutions.
Case studies: Learn from successful implementations in Australia, Canada, and more.
Strategic recommendations: Get expert advice for navigating renewable integration and grid modernization.

Download white paper

Key Benefits

High inertia
ABB synchronous condensers with flywheel provide high and instantaneous inertia, which ensure stable network frequency.
Short-circuit power
Designed for significant overload capability, ABB synchronous condensers can support instantaneous faults by reducing voltage dips and helping renewables in fault ride-through capability.
Reactive power
ABB synchronous condensers can maintain network voltage by supplying or absorbing reactive power.
Worldwide support
ABB customer support service is available in any location – ABB specialists provide fast and highly professional support in all stages from planning, commissioning to maintenance.