1 The Leader in Grid Tied Residential Energy Storage Blake F. Richetta Senior Vice President, sonnen Inc. Blake.R@sonnen-batterie.com
Why Energy Storage? #1. Solve a Problem: The inherent challenge presented to the electricity grid as a result of the intermittent and unpredictable nature of renewable energy, can be mitigated by a distributed network of energy storage systems Challenges: “Green grid reliability requires flexible 1. The rapid downward ramp during peak renewable production hours and the rapid resource capabilities” upward ramp, to evening peak “Reliability requires balancing supply 2. Grid stress, voltage fluctuation or loss, inefficiency and demand” 3. Less than ideal carbon offset (potentially) -California ISO Result: Electricity Grid requires a resource mix that can react quickly to rapid changes
Why Energy Storage? Grid Harmonization Clean Energy System that is smart, designed for a high level of self- utilization, coupled with properly managed grid export and support. The objective is to flatten load curve, while stabilizing and adding flexibility to the grid Enabling a true “clean energy future”
Why Energy Storage? #2 . Add Value ! A distributed network of behind the meter energy storage systems can help solve the challenges associated with “peak demand” on the grid
Why Energy Storage? #2 . Add Value ! Building a decentralized “virtual power plant” can be less expensive, more efficient and significantly cleaner than building a traditional “peaker plant” or new substation Distributed energy storage can represent a viable “non wire alternative” to traditional grid infrastructure upgrades Both of the above examples can lead to substantive T&D and Peak Demand investment deferrals
Energy Storage Applications #1. Daily cycling • Offset “Peak Demand Periods” • Evening Peak, Morning Peak • Aka “ Time of Use ” • Aka “ Peak Flooding ” - Energy • Stored sunlight energy or Grid load shift energy • Environmental benefit + potential financial benefit • Avoid TOU Peak Rates “TOU arbitrage” • Run your home on solar energy 24 hours a day: • Harness sunshine for 24-hour use • “ 24 hour Solar Self-Consumption ” • aka “ Self- Consumption” When the sun is no longer shinning, run your home on stored sunshine • Environmental + potential • “Get through the night on stored sunlight!” financial benefit • Energy Independence • Peak Shaving to offset Demand Charges
Energy Storage Applications Technical Processes Required for “ Daily Cycling ” Solar Time Shifting 5pm-9pm 8am-11am 12am – 6am 12pm-3pm “Evening Peak” “Partial Peak” Middle of the Night “Afternoon Peak” “Off Peak” Example Load Curves: 1. Cooler Environment: Morning peak, afternoon “valley” and evening peak 2. Moderate Environment: Morning rise, afternoon peak, evening peak 3. Hot Environment : Afternoon & early evening peak
Energy Storage Applications Technical Processes Required for “ Daily Cycling ” Grid Load Shifting
Energy Storage Applications #2. Solar Optimized Backup Power + = Energy Security “Resiliency”
Energy Storage Applications #3. Grid Services via the aggregation of Distributed Energy Storage Resources 1. Virtual Power Plan (VPP): 1. Demand Response • Offset grid peak periods ( utilizing stored sunlight or grid load shift energy ) • Peak Shaving • Receptacle for excess renewable production 2. Flexible Ramping 3. Capacity Firming, Dynamic Capacity 2. Grid Infrastructure Stabilization: 1. Frequency Regulation 2. Voltage Response and Reactive Power support 3. Resiliency - Emergency Backup 4. Situational Intelligence
Energy Storage Applications For the Utility, the choice is simple: • Live with the expansion of renewables on the grid, “painfully” Or.. • Embrace, control and utilize the expansion of renewables, to add value to the electricity grid
“ The Electricity Grid of the Future ” • Decentralized • Decarbonized • Digitalized Usher in the Energy Transition, with Clean Tech!
“ The Utility of the Future ” • Critical role of Distributed Energy Resources (DERs) and Distributed Energy Resource Management Systems (DERMS) • Generation • Storage • Significant renewable footprint on the electricity grid • Residential • Commercial • Utility Scale
“ The Utility of the Future ” • Significant percentage of energy will be self- produced by “ prosumers ” and will either be self-consumed or exported when most useful
“ The Utility of the Future ” • Smart Consumption and Managed Production • Increased significance of smart home and building energy management systems and appliances, specifically for the purpose of “demand control” and “load balancing”
“ The Utility of the Future ” • Agile Utility manages the transactional platform between “ prosumers, ” supplementing where needed
“ The Electricity Grid of the Future ” • Electricity Grid consists of a fleet of low- carbon footprint, efficient, centralized base-load power plants, coupled with storage • Aforementioned power-plants will be Complemented by a large network of decentralized and distributed energy resources, specifically renewable generation coupled with storage – both Front-of-Meter and Behind-the-Meter, ready for r apid response! • Eliminating the need for Peaker Plants
“ The Electricity Grid of the Future ” • The electrification of transport will play a significant role as grid infrastructure will be utilized to charge EVs, focusing on “ off-peak ” hours • Conversely, EV battery packs will play a greater role in overall grid management
“ The Electricity Grid of the Future ” Distributed Distributed Generation Storage • Smooth, efficiently managed relationship between Production and Consumption Loads GRID INFRFASTRUCTURE Central Storage Central Generation
sonnenCommunity • Largest distributed network of energy storage systems in the world • Deployed throughout the German speaking countries of Europe and Italy • Several thousand members and new members signing up everyday • A true clean energy community and a signature accomplishment of sonnen
sonnenCommunity • World’s largest Peer -to-Peer Clean Energy Trading Platform • Locally made (generated), stored, self- consumed and even traded clean energy, all via your own miniature solar power plant • …In coordination with of other community members • Energy Independence and true Self- Sufficiency, while supporting a community and the grid as a whole
sonnenCommunity • Frequency Regulation • Demand Response (VPP) • Enabling a clean energy future • Grid support, efficiency and stress reduction • Flattening Net Load Curve • True “Carbon - Neutral” living • sonnen “Flat” offers free clean energy, for 10-years (kWh limits apply)
sonnenCommunity • sonnen City further substantiates the viability of aggregating a distributed network of energy storage systems, for the purpose of grid stabilization and VPP
The sonnen Brand Story Unique Value Proposition: #3 sonnen Community See “ sonnenGlobe ” and “ Klipfolio”
Thank you! Come visit us at Booth: 1926 “ Stay Charged !” Energy is yours!
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