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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