Greener Power Solutions

Tower cranes need very high inrush currents for heavy lifts but little power the rest of the day, so they are usually paired with a large diesel generator that idles at low load. With Sunbelt Rentals, Greener combined a 318 kVA / 422 kWh battery with a 300 kVA generator. The battery covers the lift peaks; its energy management system starts the generator at 35% state of charge, runs it at 80% load to recharge, then switches it off. Results below are from an 800 kVA comparison, December 2024 to July 2025.

For a new drinking water reservoir and pumping building in Beuningen (NL), the team chose to drive the foundation piles with a converted electric piling rig. The rig needed 1,100 amps; the site connection delivered 125. Greener linked three mobile batteries, 1,270 kWh in total, that handled the piling peaks while recharging continuously from the grid, with a low-emission generator from Bryntell connected for extra reliability. The foundation work was carried out fully electrically, with no power interruptions.

At a UK healthcare site, two mobile scanners and a treatment unit were first powered by a 500 kVA generator, because the local grid connection looked too small for the scanners' start-up currents. A Greener battery in a hybrid setup first cut the generator to 275 kVA and allowed silent nights. Data from Greener's energy management system then showed much lower start-up and running currents than the electrical design assumed, so the site moved to peak shaving on a 50-amp, three-phase grid supply, with no generator.

The grid connection at the Bosbaan in Amsterdam was already used to its limit when the Staatsloterij World Rowing Championships took place there in August 2026. Commissioned by The Powershop, Greener placed five hybrid battery setups at the catering square, VIP area, finish, main grandstand and rescue island, all running off-grid. The batteries supplied the power and the generators only ran to top them up, monitored 24/7 through Greener's EMS. Savings are compared with five 250 kVA generators running continuously.

Hotel Luze Boutique in San Sebastián faced a six-month wait for a grid expansion. With rental partner LoxamHune, Greener installed two 422 kWh batteries in a load sharing setup with the existing 90 A connection and two generators. In night mode, the energy management system charges the batteries in the evening, shuts the generators down and lets the batteries power the hotel silently until morning, so guests are not disturbed.

At Michelin's 4,500-hectare testing centre near the Cabo de Gata-Níjar natural park in Spain, a car maker needed a hydrogen charging station to test a prototype, with cooling and monitoring that could never lose power. With GCK Energy, Greener installed two batteries in a load sharing setup fed by two 70 kWc mobile solar fields, with a backup generator that would only start if power failed. It was never needed during the 11-week project.