Europe’s Ports and Airports Face Grid Delays as Electrification Deadlines Approach

Photo by Zach Shahan | CleanTechnica

Europe’s ports and airports have electrification requirements, but access to power may arrive too slowly for operators to meet them. That mismatch could hold back shore power, electric ground equipment and, eventually, battery powered short route aircraft. A briefing from Transport & Environment (T&E) argues that grid planning and connection rules need to catch up with the transport sector’s plans.

Electrification starts at the dock and gate

Transport emissions remain a difficult problem because long distance ships and aircraft need far more energy than today’s batteries can practically store without adding substantial weight and bulk. The source reports that the EU’s greenhouse gas emissions fell 30 percent from 1990, while emissions from international aviation rose 29 percent and international shipping emissions rose 26 percent. T&E’s case is that direct electrification can still cut emissions in places where vehicles are stationary or operate over shorter distances.

For shipping, the Alternative Fuels Infrastructure Regulation (AFIR) and FuelEU Maritime require container and passenger ships calling at EU ports to use onshore power supply by 2030. Plugging in lets vessels shut down auxiliary engines while alongside, reducing exhaust around docks and nearby communities. Ferries and short sea vessels are also moving toward hybrid or fully electric operation. Ports will therefore need power for ships at berth as well as for vessels recharging their batteries.

Airport requirements follow a similar logic. AFIR calls for electricity for stationary aircraft at contact stands from 2025 and at remote stands from 2030 at airports on the Trans-European Transport Network, except those with fewer than 10,000 commercial flight movements a year. Supplying aircraft at the gate can replace diesel ground power units. Meanwhile, baggage tractors, pushback tugs and belt loaders are electrifying, adding further demand across airport sites.

The next step could put new demands on airport infrastructure: electric and hybrid electric aircraft for short regional routes have reached the prototype stage. The layout and capacity of airport electrical systems being planned now may shape how readily those aircraft can be supported later.

Two queues, one physical constraint

The grid connection backlog affects both new electricity supply and new demand. T&E cites 375 gigawatts of clean energy projects and 455 GW of battery storage projects waiting for permission to connect. Ports, airports, factories and data centres can face a comparable wait to secure the capacity they need to consume electricity.

These are separate queues, but both depend on physical grid infrastructure that takes time to build. Distribution System Operators and Transmission System Operators must establish how much power a project can receive, and where and when a connection will be available. The longer a project sits in the queue, the harder it is for its operator to plan investment and delivery with confidence.

T&E says new connections and grid reinforcement can take four to 10 years, with roughly half of that period spent on permitting before construction begins. The briefing links those delays to an aging grid built around a smaller number of large power stations and more predictable demand. Distributed renewable generation and the simultaneous electrification of industrial sites and transport hubs place different demands on that system.

Connection allocation can compound the problem. Developers may request more capacity than they expect to use, keeping space in the queue as a precaution. In many countries, applications are handled on a first come, first served basis. A stalled or speculative project can consequently retain a place ahead of a port or airport with a defined electrification requirement. The queue’s size and order matter: they can determine whether a project gets power when its equipment and operating plans are ready.

Plan demand, then make connections more flexible

T&E recommends that transmission and distribution operators map the electricity needs of ports and airports and plan for them at national and regional levels. That work would bring port and airport authorities, grid operators and energy regulators together to align the timing of grid upgrades with transport electrification. It would also help identify which sites face the greatest risk of missing the 2030 requirements.

Local generation, energy storage and smart charging could reduce the amount of new capacity each site needs from the public grid. Ports and airports could share a connection with nearby renewable generation and storage, making better use of available infrastructure. Smart charging can spread the demand from vehicles across the day instead of sending several charging loads to the grid at once. Potential users include ground support equipment, terminal shuttles, drayage trucks and staff fleets.

The third proposal is to offer flexible connection agreements. A port or airport could connect earlier with capacity that varies according to what the wider grid can supply, rather than waiting for a firm, full capacity connection. The operator would have to manage its electricity use around those limits, but the arrangement could help grid operators balance supply and demand. T&E also argues that sites should receive flexible tariffs, with lower electricity prices when local production exceeds consumption.

Germany and Belgium are already piloting reforms of this kind, according to the briefing. Their experience could help identify which connection terms and price signals work in practice. For ports and airports, the key measure will be whether more flexible access lets projects electrify on schedule while making efficient use of existing grid capacity. T&E’s full briefing is available here.