Engineering group from Augsburg, Germany
Alternative Energy Solutions
We make engines cleaner and more efficient and bring electricity where the power grid falls short.
Engineered in Augsburg
Our solutions
Every solution is developed by our team of engineers and mechatronics specialists, led by founder Dr. Thomas Spindler, with more than 15 years in engine retrofits, LNG conversions and emission technology.
Engineering & Consulting
We plan your project before you invest, through on-site pre-studies, engine selection, design and simulation for ships, power plants and trains.
15+ years
project experience
10 days
from site visit to report
up to 3
technical proposals
LNG & SNG
engine conversions
Emission Reduction
We reduce NOx emissions of diesel engines by cooling and recirculating part of the exhaust gas, using only water with no urea and no dry dock.
80 % less NOx
MS Artania, 2023
IMO Tier III
compliant
DNV
class approval
0 urea
no chemicals needed
Fuel Efficiency
We cut fuel consumption with hydraulically supported fuel valves: the fuel burns completely, even at part load. Less fuel for the same power.
2 to 8 %
fuel savings
0.65 years
fastest payback
over 120
installations of the original principle
RINA
class approval
Mobile Power
We supply electricity to ports, islands and coastal cities with floating power barges. Fast, and without existing grid infrastructure.
up to 100 MW
per barge
750 GWh
per year
6 to 9 months
lead time
Green-fuel
ready roadmap
Engine Preservation
We protect engines from acidic fuel: it is treated right before it enters the engine and stays within the limits of your engine maker.
No dry dock
installed during operation
HFO, diesel & biofuels
all common fuels
2- & 4-stroke
marine & stationary
Our agencies
Our products are sold and supported locally by partners in multiple regions.
KHL Consulting
Germany
Naval Diesel
Italy
Phoenix Poland
Poland
DECC Benelux
Benelux
Radion Engineering
Israel
MART3Y Maritime
Turkey
About AES
Four companies. One mission.
AES Holding unites four specialised companies in Augsburg, Germany: AES Maritime Projects for ships, AES Power Projects for power plants, AES Mobile Power for floating and containerised energy, and AES Engineering & Consulting for pre-studies and design.
Founded in 2021 by Dr. Thomas Spindler, we share one goal: make the engines that run today cleaner and more efficient.
What’s new
News from AES
Company · February 2026
Strategy workshop in Augsburg
Leading representatives from across the company, from product development, project handling and management, came together in Augsburg for a strategy workshop moderated by an external consultant.
Together, they discussed how to manage the current company growth sustainably.The outcome was a clear organisational structure that supports further growth and greater efficiency.
Trade fair · November 2025
EUROPORT 2025 in Rotterdam
At EUROPORT 2025 our team showed HYDRAULICA and blueEGR at stand 6403 in Hall 6. We met ship operators, shipyards and engine experts to talk about saving fuel, cutting emissions, and meeting IMO Tier III.
Looking for a job?
Work on the engines of tomorrow
Engineers and mechatronics specialists work side by side at AES, in Augsburg, on board ships and at power plants worldwide.