Storage glossary

AC coupling in the SpeicherCampus context: typical for existing PV systems. Technically, the term is usually described as connection on the alternating-current side.

Air cooling in the SpeicherCampus context: robust and economical for suitable applications. Technically, the term is usually described as heat removal via air.

Backup power in the SpeicherCampus context: requires transfer, grid disconnection, a protection concept and load definition. Technically, the term is usually described as supplying defined loads during a grid outage.

Balancing energy in the SpeicherCampus context: a revenue option for larger or aggregated storage. Technically, the term is usually described as balancing generation and consumption.

Battery storage in the SpeicherCampus context: absorbs electricity and releases it later. Technically, the term is usually described as storage for electrical energy.

BESS in the SpeicherCampus context: a complete battery storage system consisting of battery, PCS, BMS, EMS, protection systems, cooling and communication. Technically, the term is usually described as Battery Energy Storage System.

Black start in the SpeicherCampus context: important for island and backup power systems. Technically, the term is usually described as starting without existing grid voltage.

BMS in the SpeicherCampus context: monitoring and protection of cells, modules and battery limits. Technically, the term is usually described as Battery Management System.

C-rate in the SpeicherCampus context: indicates charge/discharge speed. Technically, the term is usually described as the ratio of power to capacity.

Charging hub in the SpeicherCampus context: needs power, storage, grid planning and an EMS. Technically, the term is usually described as a site with multiple charging points.

Charging power in the SpeicherCampus context: determines how quickly energy can be absorbed. Technically, the term is usually described as power during charging.

Charging window in the SpeicherCampus context: must be coordinated with PV, tariffs, peak shaving and the backup power reserve. Technically, the term is usually described as the time window for charging.

Commercial storage in the SpeicherCampus context: optimizes PV, load peaks, grid connection, e-mobility and backup power. Technically, the term is usually described as battery storage for businesses.

Container storage in the SpeicherCampus context: typical from roughly 1 MWh upwards. Technically, the term is usually described as storage in container format.

Cycle life in the SpeicherCampus context: important for lifetime and warranty. Technically, the term is usually described as the number of charge/discharge cycles.

DC coupling in the SpeicherCampus context: interesting for new PV systems and integrated MPPT systems. Technically, the term is usually described as connection on the direct-current side.

Degradation in the SpeicherCampus context: depends on cycles, temperature, SOC and operating strategy. Technically, the term is usually described as battery ageing.

Discharging power in the SpeicherCampus context: determines how strongly the storage system can intervene during load peaks. Technically, the term is usually described as power during discharge.

DoD in the SpeicherCampus context: depth of discharge and the usable share of the battery. Technically, the term is usually described as Depth of Discharge.

Dynamic electricity tariffs in the SpeicherCampus context: can be exploited with storage, but require control. Technically, the term is usually described as time-variable energy prices.

Economic analysis in the SpeicherCampus context: needs real data and several benefit streams. Technically, the term is usually described as the assessment of costs, savings and benefits.

Efficiency losses in the SpeicherCampus context: affect economic viability. Technically, the term is usually described as energy losses during charging and discharging.

Emergency power in the SpeicherCampus context: needs to be specified precisely in technical terms. Technically, the term is usually described as a general term for supply during a grid outage.

EMS in the SpeicherCampus context: the control center for charging and discharging strategies. Technically, the term is usually described as Energy Management System.

EMS strategy in the SpeicherCampus context: prioritizes PV, peak shaving, backup power and tariffs. Technically, the term is usually described as the operating logic of the energy management system.

Energy arbitrage in the SpeicherCampus context: economical only with a sufficient price spread and good control. Technically, the term is usually described as charging at low prices and using energy at high prices.

Energy community in the SpeicherCampus context: storage requires a clean metering and billing concept. Technically, the term is usually described as the joint use of local energy.

Feed-in limitation in the SpeicherCampus context: storage can absorb curtailed PV energy. Technically, the term is usually described as limited grid feed-in.

Fire protection in the SpeicherCampus context: product, siting, monitoring and fire-brigade access. Technically, the term is usually described as the safety concept for storage systems.

Frequency regulation in the SpeicherCampus context: grid-scale storage can react quickly. Technically, the term is usually described as stabilization of the grid frequency.

Grid connection optimization in the SpeicherCampus context: storage can buffer load peaks. Technically, the term is usually described as making better use of existing connection capacity.

Grid fees in the SpeicherCampus context: relevant for storage, energy communities, charging into and discharging from storage. Technically, the term is usually described as the costs of grid usage.

Grid-parallel operation in the SpeicherCampus context: the normal operating mode of many commercial storage systems. Technically, the term is usually described as the storage system working together with the public grid.

Grid-scale storage in the SpeicherCampus context: MW/MWh projects for the grid, energy trading and charging hubs. Technically, the term is usually described as large-scale storage for grid and energy-market applications.

HPC charging in the SpeicherCampus context: creates very high power peaks. Technically, the term is usually described as High Power Charging.

Installation site in the SpeicherCampus context: affects safety, operation, maintenance and permitting. Technically, the term is usually described as the location of the installation.

IP rating in the SpeicherCampus context: important for outdoor installation. Technically, the term is usually described as protection against dust and water.

Island mode in the SpeicherCampus context: a local grid made of storage, PV and loads. Technically, the term is usually described as operation without the public grid.

kW and kWh in the SpeicherCampus context: kW describes instantaneous power, kWh the amount of stored or consumed energy. Technically, the term is usually described as power and energy.

LFP in the SpeicherCampus context: a robust cell chemistry for stationary storage. Technically, the term is usually described as lithium iron phosphate.

Liquid cooling in the SpeicherCampus context: strong under high continuous power and energy density. Technically, the term is usually described as heat removal via a cooling medium.

Load management in the SpeicherCampus context: works ideally together with storage and charging management. Technically, the term is usually described as the control of electrical loads.

Load profile in the SpeicherCampus context: the most important basis of any storage planning. Technically, the term is usually described as the electricity consumption pattern over time.

Modbus in the SpeicherCampus context: makes storage externally controllable and integrable. Technically, the term is usually described as an industrial communication protocol.

MPPT in the SpeicherCampus context: optimizes PV modules and enables direct DC PV integration. Technically, the term is usually described as Maximum Power Point Tracking.

PCS in the SpeicherCampus context: the battery inverter for AC/DC and DC/AC conversion. Technically, the term is usually described as Power Conversion System.

Peak shaving in the SpeicherCampus context: the storage system reduces short-term grid demand peaks. Technically, the term is usually described as load peak reduction.

PV surplus in the SpeicherCampus context: an important storage potential. Technically, the term is usually described as PV generation above current consumption.

Reactive power in the SpeicherCampus context: relevant for grid quality and grid operator requirements. Technically, the term is usually described as oscillating power that performs no useful work.

RTE in the SpeicherCampus context: the overall efficiency across charging and discharging. Technically, the term is usually described as Round Trip Efficiency.

Self-consumption rate in the SpeicherCampus context: storage can increase it. Technically, the term is usually described as the share of PV power that is used on site.

Self-sufficiency rate in the SpeicherCampus context: not always the primary economic goal. Technically, the term is usually described as the share of consumption covered by own generation.

SOC in the SpeicherCampus context: the battery's current state of charge. Technically, the term is usually described as State of Charge.

SOH in the SpeicherCampus context: the battery's health and remaining capability. Technically, the term is usually described as State of Health.

Storage capacity in the SpeicherCampus context: determines the amount of energy and the bridging time. Technically, the term is usually described as capacity in kWh or MWh.

Storage power in the SpeicherCampus context: determines how strongly the system can intervene during load peaks. Technically, the term is usually described as power in kW or MW.

STS in the SpeicherCampus context: a fast transfer device for backup power or island mode. Technically, the term is usually described as Static Transfer Switch.

Transformer in the SpeicherCampus context: often the bottleneck in large projects. Technically, the term is usually described as the transformer.

UPS in the SpeicherCampus context: for particularly sensitive loads such as IT and control systems. Technically, the term is usually described as uninterruptible power supply.

VPP in the SpeicherCampus context: the digital pooling of decentralized storage and generation assets. Technically, the term is usually described as Virtual Power Plant.