Using Solar Energy To Live. Find out how the Cat microgrid system is efficient, reliable with scalable energy for all climates – especially in high temperature, high humidity, desert and
In 2016, Caterpillar transitioned the site to demonstrate real-world value of its microgrid solution, incorporating a 500 kW solar array and energy storage system. The new integrated system,
The Cat Energy Storage System, or ESS, is a rapidly deployable electric power solution to help customers integrate multiple power sources on a worksite. The ESS can provide grid
Our robust, scalable energy storage platform includes advanced lithium-ion batteries, ultra-capacitors, and a Cat Bi-directional Power Inverter (BDP). Our systems are ideal for renewable smoothing, grid firming/grid stabilization, and
Caterpillar is at the forefront of the energy transition, integrating renewable power with smart energy storage and conventional diesel or gas fuelled power generation. The Cat Microgrid system, which contains both photovoltaic solar
Caterpillar (NYSE: CAT) and First Solar, Inc. (Nasdaq: FSLR) today announced a strategic alliance to develop an integrated photovoltaic (PV) solar solution for microgrid applications. Under the agreement, First Solar will
Cat® battery energy storage systems (BESS) use chemical energy to store electricity from renewable and low-cost sources for dispatch as needed. This time shift of energy saves

Supplement traditional mobile power solutions with the Cat Compact Energy Storage System (ESS), a new mobile battery energy storage system reducing noise and generator set runtime. Designed for easy worksite deployment, the Cat Compact ESS can be fully recharged in as little as four hours and can provide up to 127.9 kWh of capacity to the site.
Expand your energy capacity and power resiliency with the Cat® Battery Energy Storage System (BESS). A new suite of commercially available battery technologies boosts power reliability, quality, and flexibility, and helps renewable energy source integration and energy savings.
Cat hybrid energy solutions are fully integrated power systems combining conventional power with renewable energy sources, energy storage, and monitoring and control systems. Caterpillar is pleased to provide information on new technologies as well as innovative solutions to power your business.
Energy storage systems are a key component in a hybrid microgrid and guarantee short-term backup power. Caterpillar can provide on-site energy storage systems to help stabilize transient loads, supply and absorb alternating current (AC) power, increase renewable energy source utilization, and transfer energy from time-of-generation to time-of-use.
Caterpillar plans to offer these technologies for deployment on our Cat engines and Solar gas turbines. Equipment with electric and hybrid powertrains combine an electric drive transmission with power components.
Caterpillar has also developed a battery electric underground loader, the R1700 XE. Along with its mobile equipment charger, the MEC500, this solution is a game changer in deep, difficult to ventilate and high temperature underground mines.
The European energy storage market is booming with Germany leading residential adoption (+58% YoY) thanks to €500/kWh subsidies. Italy's new tax credits drive 5.2GWh commercial deployments, while UK grid-scale projects exceed 8GWh with 2-hour duration systems. Key selection criteria: German-certified safety (VDE-AR-E 2510), 10+ year warranties, and VPP readiness. Top-performing products include Sonnen's hybrid inverters (98% efficiency) and BYD's Blade Battery (12,000 cycles @80% DoD). For snowy regions like Scandinavia, consider Huawei's -30°C compatible systems. France mandates carbon footprint declarations - Sungrow's ISO-14067 certified solutions gain preference.
For European homeowners, 5-10kWh systems with 3-phase compatibility are ideal. Top picks: 1) Tesla Powerwall 3 (13.5kWh, 97% round-trip efficiency) for smart home integration; 2) LG Chem RESU Prime for compact urban installations; 3) SMA Sunny Boy Storage for retrofit projects. Critical features: EU-made battery cells (exempt from CBAM tariffs), dynamic tariff optimization (like Octopus Energy integration), and fire-safe LiFePO4 chemistry. Southern Europe demands 85%+ depth of discharge capability, while Nordic markets require -25°C operation. Always verify CEI 0-21 compliance for Italian grid connection and EnWG certification for German feed-in.