Smart Energy for Smart Home

Why Lithium- ion ESS?

Energy Storage System (ESS) as a key requirement of Renewable Energy and its size varies on two dimensions:

POWER How much electricity can be discharged at one time?

ENERGY How many hours can be discharged continuously?

Lithium-ion batteries are better suited for small, neighborhood-scale storage scattered at key stress points and play a key-role in future energy storage- especially in decentralized grids and households.

Energy Storage Values

FOR HOUSEHOLDEnergy self-sufficient (local production=local consumption)Safe against outagesHigh efficiencySell excess of PV energy when demand is high

FOR GRID OPERATORReduce peak demandAvoid disturbances-voltage, frequency…

Defer grid upgrades

SOCIO-ECONOMICAllow to increase PV electricity in energy mixFacilitate energy savings

PV+ESS=Micro Grid ≈ Smart Grid

Micro-grids present the opportunity for countries to develop a cell-phone type of model for power distribution whereby regions without certification can have a regional power source that allows for local access.

This market is projected to become signification in the next several years, as the access to lower cost PV markets this option more easily implemented.

Goals of Smart Grid

These may reflect the gradual progression to a Smart Grid, but may also be due to challenges with homeowner adoption and effective use of feedback systems.

1. Operate as a 24/7 background processor to manage in an intelligent manner electrical energy usage in homes or small businesses.

2. Exploit the flexibility that consumers generally have in the timing of their electricity usage to induce changes in their electricity consuming patterns through time-varying electricity pricing.

3. Manage energy consumption profiles to reduce peak electric demand and reduce consumers’ electric bills.

Smart Community Structureof Taipei City Government

paradigm: ESS of Taipei Social Housing

Made by FSPphoto source: UDN

FSP PV Own-consumption Solution

paradigm: Smart Green Energy for Building

Made by FSP

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