1. Articles in category: Residential

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    1. Arizona OKs home battery incentives as Green Mountain Power program shows millions in customer savings

      Arizona OKs home battery incentives as Green Mountain Power program shows millions in customer savings

      The Arizona Corporation Commission last month approved the state's first residential battery storage program — an incentive pilot proposed in August by the Arizona Public Service Company. Around the same time, Green Mountain Power (GMP) said its growing network of stored energy in Vermont, including home batteries and other resources, has reduced customer costs by about $3 million so far in 2020. 

      Increased adoption of residential storage could also bring cost savings to the utilities themselves, making ambitious renewable energy targets more achievable by reducing peak demand, according to Jason Burwen, vice president of policy for the Energy Storage Association.

      “If Arizona seeks to achieve a 100% clean energy future, as the Arizona Corporation Commission is deliberating on now, a peak demand reduction target with energy storage would complement those clean energy goals while helping to keep service costs affordable and empower customers,” Burwen said in an email. He indicated that numerous states have pursued a similar strategy.

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      Mentions: ESA Arizona Vermont
    2. As Residential Solar Deployments Fell, the US Home Battery Market Powered On

      As Residential Solar Deployments Fell, the US Home Battery Market Powered On

      Even the COVID-19 pandemic could not stop the residential storage market from growing in the second quarter, according to the new Energy Storage Monitor.

      Even as the coronavirus pandemic sent the U.S. economy into free fall this spring, the energy storage industry delivered its second-best quarter ever in terms of megawatts installed. Despite social-distancing orders, more customers than ever before added batteries in their homes to store solar power and provide backup power amid hurricanes, wildfires and other types of grid outages. Residential storage companies installed 48.7 megawatts/112 megawatt-hours in Q2, up 10 percent from the previous quarter, according to the new Energy Storage Monitor report released Thursday by Wood Mackenzie and the U.S. Energy Storage Association. That marks the fifth consecutive quarterly deployment record for residential storage, something that larger battery segments have never achieved.

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    3. Sunrun buys Vivint Solar for $3.2B

      Sunrun buys Vivint Solar for $3.2B

      The consolidation of the top two residential solar companies in the U.S. comes as both companies have adapted to growing demand in the distributed solar sector. Sunrun offers energy storage and grid services, working with utilities and grid operators on virtual power plants that combine distributed energy systems. Sunrun expects to offer battery storage to the combined base of nearly 500,000 solar customers.

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      Mentions: U.S.
    4. Panasonic and Span team up for home battery backup and energy management

      Panasonic and Span team up for home battery backup and energy management

      Panasonic has entered into an alliance with Span to deliver a combined energy storage and residential energy management product. Span recently landed $10.2 million in venture capital to modernize and replace one of the more basic and ubiquitous pieces of home electrical hardware — the electrical panel. Span’s electrical panel will be paired with Panasonic’s EverVolt residential battery system, which comes in two sizes: 11.4 kilowatt-hours and 17.1 kilowatt-hours — depending on how many of the 55-pound battery packs are incorporated into the field-serviceable housing.

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      Mentions: Panasonic
    5. SunPower accesses $1 billion in residential solar and storage loan capital from Tech CU

      SunPower accesses $1 billion in residential solar and storage loan capital from Tech CU

      Despite the pandemic, capital is still pouring into solar. SunPower just announced a $1 billion partnership with Tech CU that gives the solar panel efficiency leader access to a significant chunk of capital for its loan program. The new partnership provides financing opportunities for potential U.S. residential solar and storage customers.

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      Mentions: SunPower
    6. Local Solar Installers Embrace Big New Opportunity: Home Battery Add-Ons

      Local Solar Installers Embrace Big New Opportunity: Home Battery Add-Ons

      From Texas to Florida, more homeowners are interested in pairing batteries with rooftop solar. Local solar installation companies have faced a number of challenges in recent years, from the decline of state net metering policies to the Trump administration's import tariffs. Now, a potentially significant opportunity is coming into focus for them: home battery systems. 2019 was a big year for both residential solar and home storage in the U.S. Power shutoffs in California and demand pull-in from the soon-to-decline federal Investment Tax Credit helped both industries log new records.

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      Mentions: California U.S. Texas
    7. Sunnova SunSafe Now Available in Florida Markets

      Sunnova SunSafe Now Available in Florida Markets

      Sunnova Energy International Inc. has expanded its Sunnova SunSafe 1 solar+battery storage system offering into Florida, making the state the 13th market where Sunnova now offers SunSafe. Sunnova also announced the addition of a 15-year financing plan for add-on solar battery storage. This offering is immediately available in all existing Sunnova SunSafe markets.

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      Mentions: Florida Sunnova
    8. Batteries vs. Blackouts: 1,100 Homes Powered Through Vermont Outage With Storage

      Batteries vs. Blackouts: 1,100 Homes Powered Through Vermont Outage With Storage

      Home batteries proved their resilience value during Vermont's Halloween blackout. A major rain and wind storm struck the state at the close of October, knocking out power to some 115,000 customers. Among those affected, 1,100 homes managed to keep the lights on thanks to pilot programs specifically designed to promote resilient backup power with energy storage. The battery backup service lasted nine hours on average, but the longest instance stretched to 82 hours.

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      Mentions: Vermont ISO-NE Tesla
    9. Top Federal Energy Official Visits Alabama Power's Smart Neighborhood

      Top Federal Energy Official Visits Alabama Power's Smart Neighborhood

      Deputy Secretary of Energy Dan Brouillette toured a home at Reynolds Landing in Hoover, where Alabama Power partnered with Signature Homes, Southern Company, the U.S. Department of Energy’s Oak Ridge National Laboratory, and technology vendors to create the Smart Neighborhood. Reynolds Landing homes feature emerging energy-efficient technologies, materials and appliances. The neighborhood is connected to a nearby community-scale solar energy system with natural gas and battery backup, the first of its kind in the Southeast.

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      Mentions: DoE U.S. ORNL
    10. City of Santa Barbara, CEC to Help Residents Prepare for Power Outages at Home Energy Storage Workshop

      City of Santa Barbara, CEC to Help Residents Prepare for Power Outages at Home Energy Storage Workshop

      Community Environmental Council (CEC) and the City of Santa Barbara will present a free Home Energy Storage Workshop to help Santa Barbara homeowners understand the ins and outs of pairing solar power with battery storage. Led by CEC, the free workshop will provide the community an opportunity to gather and discuss power backup options in the face of imminent widespread “public safety power shutoffs.”

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    11. California Blackouts: Keeping the Lights on with Solar Energy

      California Blackouts: Keeping the Lights on with Solar Energy

      Hundreds of thousands of homes in California lost power early on Wednesday as windy, dry weather increased the risk of fire, prompting the electric utility, PG&E, to shut down the grid to avoid any chance of the type of power-line accident that sparked the deadly wildfire in the small town of Paradise less than a year ago. It may take days for the power to come back on. But at some homes, solar and battery storage systems are keeping the lights on.

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    12. The Future of Energy Storage Is Here: An Inside Look at Rocky Mountain Power's 600-Battery DR Project

      The Future of Energy Storage Is Here: An Inside Look at Rocky Mountain Power's 600-Battery DR Project

      The first residents of an all-electric and energy efficient community — the largest battery demand response project in the United States — are settling into new apartments. Their cars are tucked neatly beneath solar panel covers and their electric cars can plug into charging ports. Inside each apartment in the Soleil Lofts development, a battery is humming. When complete, the planned community's 22 buildings will have 600 apartment units with 12.6 MWh of battery storage, 5.2 MW of solar panels, 150 stalls of EV chargers and an overriding focus on energy efficiency. Utility access to the 600 batteries will turn the complex into a grid resource.

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      Mentions: U.S. Utah CAISO
    13. Panasonic Launches New Residential Solar Battery

      Panasonic Launches New Residential Solar Battery

      Panasonic has launched a lithium-ion storage solution for residential solar installations. The company said its EverVolt storage system is available in the U.S. in AC and DC-coupled versions and boasts a storage capacity ranging from 5.7 kWh up to to 34.2 kWh. The Japanese electronics giant added the system is compatible with all kinds of PV technologies and inverters and can be tailored to homeowner needs. Panasonic said owners can monitor their systems with bespoke software and a user-friendly app.

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      Mentions: U.S. Panasonic
    14. California Supercharges Battery Incentive for Wildfire-Vulnerable Homes

      California Supercharges Battery Incentive for Wildfire-Vulnerable Homes

      California has passed its first-ever subsidy aimed specifically at bringing more distributed solar and energy storage to people at highest risk of having their power shut off by utilities trying to prevent wildfires. The California Public Utilities Commission (CPUC) approved changes late last week to the Self-Generation Incentive Program, the state’s premier behind-the-meter battery incentive program. Among them is a $100 million carve-out for vulnerable households and critical services in “high fire threat districts,” offering incentives that could pay for nearly all of a typical residential battery installation, according to the CPUC analysis.

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    15. Implications of Rate Design for the Customer-Economics of Behind-the-Meter Storage

      Implications of Rate Design for the Customer-Economics of Behind-the-Meter Storage

      This work provides insights for the two main sources of bill savings for residential and commercial customers – demand charge reductions and arbitrage of energy charges – considering a range of customer profiles and retail rate designs. Storage can reduce monthly demand charges, which are dependent on the customer’s billing demand in kW rather than the amount of energy they consume in kWh, by charging during times of low energy consumption and discharging during peak consumption hours, thereby reducing peak power consumption from the grid. Storage can also reduce electricity bills by charging the storage during low-priced hours and discharging during high-priced hours, taking advantage of price-differentials of time-varying rates. This study considers a variety of demand charge designs and rates that allow for energy arbitrage.

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      Mentions: Peak Power
    16. The Value of Customer-Sited Storage: It's About More than Demand Charges, Study Finds

      The Value of Customer-Sited Storage: It's About More than Demand Charges, Study Finds

      As battery prices fall, energy storage is becoming economical in a growing number of markets. While customer-owned systems remain nascent, new research from the Department of Energy's Berkeley Lab indicates they may pencil out for a growing number of residential and commercial customers — depending on how retail electricity rates are designed.

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      Mentions: DoE
    17. Virtual Power Plant of 1,000 Homes Planned for Hawaiian Electric

      Virtual Power Plant of 1,000 Homes Planned for Hawaiian Electric

      The world’s largest residential virtual power plant is planned for the Hawaiian island of O'ahu, managing the electricity from some 1,000 rooftop solar-plus-storage systems that will be installed under a four-year contract beginning in 2020. Project developers Sunrun and OATI will send the energy from the residential systems to Hawaiian Electric Company's (HECO) grid as called upon by the utility. The virtual power plant will provide peak demand shaving, on-demand reserve capacity and ancillary services.

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    18. Bipartisan Senate Bill Allocates $100M to Ease Residential Solar, Storage Permitting

      Bipartisan Senate Bill Allocates $100M to Ease Residential Solar, Storage Permitting

      Sens. Martin Heinrich, D-N.M., and Susan Collins, R-Maine, introduced a bill on Monday to create a federal program to ease the permitting of distributed energy systems, including solar, battery storage and electric vehicle fast chargers. S. 2447 would appropriate $20 million annually, from fiscal year 2019 to 2024, for a new nonprofit organization under the Department of Energy, dubbed the Distributed Energy Opportunity Board, to streamline local permitting and inspection for qualifying systems.

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      Mentions: California DoE Nevada
    19. U.S. Residential Energy Storage Market Sees Most Growth Ever in a Single Quarter in Q2 2019

      U.S. Residential Energy Storage Market Sees Most Growth Ever in a Single Quarter in Q2 2019

      The United States storage sector deployed more residential storage in Q2 2019 than in any other quarter on record, adding more than 30 megawatts for the first time, according to the new U.S. Energy Storage Monitor from Wood Mackenzie Power & Renewables and the U.S. Energy Storage Association. In a 20 percent increase from Q2 2018, 75.9 megawatts of front-of-the-meter and behind-the-meter storage was deployed in the second quarter of 2019.

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      Mentions: U.S. ESA
    20. The Land of Opportunity for Off-Grid Solar

      The Land of Opportunity for Off-Grid Solar

      Consolidation is picking up in Africa’s off-grid renewables market, where big investors like Engie are betting on the electricity consumers of the future. While a variety of technologies and products are considered part of the off-grid ecosystem, solar home systems have been the star from an investment perspective, and particularly those sold under a pay-as-you-go (paygo) model. Under such a model, customers are provided with a solar-generation unit, usually backed up with a battery, and the homeowners make lease payments over time as they benefit from the electricity. Paygo allows companies to tap into a vast base of potential customers that cannot pay for a system upfront.

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      Mentions: Africa Engie
    21. ‘Transformative’: Sonnen to Deliver Community Battery Network With Grid Services Contract

      ‘Transformative’: Sonnen to Deliver Community Battery Network With Grid Services Contract

      German home energy storage company sonnen fulfilled a long-time dream for its U.S. operation: It will supply battery systems to an entire new residential community, with a contract in place to deliver grid services to the local utility.

      Sonnen will install more than 600 ecoLinx batteries in developer Wasatch Group's Soleil Lofts apartments in Herriman, Utah, a rapidly growing region south of Salt Lake City. The fleet of batteries will total 5 megawatts/12.6 megawatt-hours of storage paired with onsite solar generation.

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      Mentions: U.S. Utah sonnen
    22. Sunnova Partners With California Roofer Ahead of Solar Mandate

      Sunnova Partners With California Roofer Ahead of Solar Mandate

      A high-profile solar-homebuilder partnership has emerged from the flurry of activity surrounding California’s new solar home mandate, which goes into effect in 2020. Residential solar provider Sunnova and PetersenDean, a California-based company that installs roofs and solar, will work together on solar and storage leases and power-purchase agreements in the state. California’s new policy requires solar installations on new residential buildings under three-stories.

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      Mentions: California Sunnova
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