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With declining technology costs and increasing renewable deployment, energy storage is poised to be a valuable resource on future power grids — but what is the total market potential for storage technologies, and what are the key drivers of cost-optimal deployment?

In the latest report from the Storage Futures Study (SFS), Economic Potential of Diurnal Storage in the U.S. Power Sector, NREL analysts Will Frazier, Wesley Cole, Paul Denholm, Scott Machen, and Nate Blair, describe significant market potential for utility-scale diurnal storage (up to 12 hours) in the U.S. power system through 2050. They found storage adds the most value to the grid and deployment increases when the power system allows storage to simultaneously provide multiple grid services and when there is greater solar photovoltaic (PV) penetration.

“We find significant market potential for diurnal energy storage across a variety of modeled scenarios, mostly occurring by 2030,” said Will Frazier, National Renewable Energy Laboratory (NREL) analyst and lead author of the report. “To realize cost-optimal storage deployment, the power system will need to allow storage to provide capacity and energy time-shifting grid services.”

The SFS — led by NREL and supported by the U.S. Department of Energy’s (DOE’s) Energy Storage Grand Challenge — is a multiyear research project to explore how advancing energy storage technologies could impact the deployment of utility-scale storage and adoption of distributed storage, including impacts to future power system infrastructure investment and operations.

Expanded Capabilities to Model Storage Potential

For this work, researchers added new capabilities to NREL’s Regional Energy Deployment System (ReEDS) capacity expansion model to accurately represent the value of diurnal battery energy storage when it is allowed to provide grid services — an inherently complex modeling challenge. Cost and performance metrics focus on Li-ion batteries because the technology has more market maturity than other emerging technologies. Because the value of storage depends greatly on timing, ReEDS simulated system operations every hour.

NREL researchers used ReEDS to model two sets of scenarios — one that allows storage to provide multiple grid services and one that restricts the services that storage can provide. All the scenarios use different cost and performance assumptions for storage, wind, solar PV, and natural gas to determine the key drivers of energy storage deployment.

Installed Storage Capacity Could Increase Five-Fold by 2050

Across all scenarios in the study, utility-scale diurnal energy storage deployment grows significantly through 2050, totaling over 125 gigawatts of installed capacity in the modest cost and performance assumptions — a more than five-fold increase from today’s total. Depending on cost and other variables, deployment could total as much as 680 gigawatts by 2050.

Chart courtesy of NREL — grid-scale U.S. storage capacity could grow five-fold by 2050.

Chart courtesy of NREL — grid-scale U.S. storage capacity could grow five-fold by 2050.

“These are game-changing numbers,” Frazier said. “Today we have 23 gigawatts of storage capacity, all of which is pumped-hydro.”

Initially, the new storage deployment is mostly shorter duration (up to 4 hours) and then progresses to longer durations (up to 12 hours) as deployment increases, mostly because longer-duration storage is currently more expensive. In 2030, annual deployment of battery storage ranges from 1 to 30 gigawatts across the scenarios. By 2050, annual deployment ranges from 7 to 77 gigawatts.

System Flexibility Key to Storage Deployment

To understand what could drive future grid-scale storage deployment, NREL modeled the techno-economic potential of storage when it is allowed to independently provide three grid services: capacity, energy time-shifting, and operating reserves.

  • Blue — Energy Time-Shifting & Operating Reserves (No Firm Capacity From Storage)
  • Black — Firm Capacity & Energy Time-Shifting (No Operating Reserves From Storage)
  • Green — Firm Capacity & Operating Reserves (No Energy Time-Shifting From Storage)

NREL found not allowing storage to provide firm capacity impacts future deployment the most, although not allowing firm capacity or energy time-shifting services can also substantially decrease potential deployment. Operating reserves, on the hand, do not drive the deployment of storage within the study because they find limited overall market potential for this service.

Storage and Solar Symbiosis

Multiple NREL studies have pointed to the symbiotic nature of solar and storage, and this study reinforces that relationship. More PV generation makes peak demand periods shorter and decreases how much energy capacity is needed from storage — thereby increasing the value of storage capacity and effectively decreasing the cost of storage by allowing shorter-duration batteries to be a competitive source of peaking capacity. NREL found over time the value of energy storage in providing peaking capacity increases as load grows and existing generators retire.

Solar PV generation also has a strong relationship with time-shifting services. More PV generation creates more volatile energy price profiles, increasing the potential of storage energy time-shifting. Like peaking capacity, the value of energy time-shifting grows over time with increased PV penetration.

Next Up in the Storage Futures Study

The SFS will continue to explore topics from the foundational report that outlines a visionary framework for the possible evolution of the stationary energy storage industry — and the power system as a whole.

The next report in the series will assess customer adoption potential of distributed diurnal storage for several future scenarios. The study will also include the larger impacts of storage deployment on power system evolution and operations.

Visit the Storage Futures Study page for more information about the broader study, and learn more about NREL’s energy analysis research.

Learn More in June 22 Webinar

Join a webinar from 9 to 10 a.m. MT on Tuesday, June 22, to learn more about SFS results with Will Frazier and Nate Blair and hear from SFS analyst Paul Denholm on the visionary framework for the possible evolution of the stationary energy storage industry, outlined in the first report in the series. Register to attend.

Article courtesy of NREL, the U.S. Department of Energy.

Image courtesy of 8minute Solar Energy, plus Energy storage project.


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US average new car price tops $50k for the first time – here’s why

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US average new car price tops k for the first time – here's why

The average US new car price crossed the $50,000 mark for the first time in September, according to new estimates from Kelley Blue Book (KBB). Prices have been climbing steadily for over a year, and the pace picked up this summer – but that hasn’t stopped Americans from buying.

KBB says September’s record average transaction price (ATP) was partly driven by luxury models and EVs, which pushed the market into record territory. EVs made up an estimated 11.6% of all new vehicles sold last month, which is also a record high. The average EV sold for $58,124 – up 3.5% from August’s adjusted figure.

In Q3, EV sales hit another milestone: 437,487 EVs were sold in the US, giving them a 10.5% market share. That’s nearly a 30% jump from the same period last year. With government-backed EV incentives expiring at the end of September, many buyers hurried to lock in their purchases.

Year-over-year, the average EV transaction price is basically flat, down just 0.4%. Incentives averaged 15.3% of ATP in September, or about $8,900 per vehicle – slightly lower than August but higher than a year ago, when incentives averaged 13%.

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Tesla, which continues to dominate the EV market, saw an average ATP of $54,138 in September. That’s a slight dip from August and down 6.8% from a year earlier. With Tesla recently introducing the new Standard versions of the Model 3 and Model Y, KBB expects average prices across the segment to fall in the coming months. Erin Keating, executive analyst at Cox Automotive, thinks the market is “ripe for disruption.”

“It is important to remember that the new-vehicle market is inflationary. Prices go up over time, and today’s market is certainly reminding us of that,” said Keating. “The $20,000 vehicle is now mostly extinct, and many price-conscious buyers are sidelined or cruising in the used-vehicle market. Tariffs have introduced new cost pressure to the business, but the pricing story in September was mostly driven by the healthy mix of EVs and higher-end vehicles pushing the new-vehicle ATP into uncharted territory.”

Read more: US EV sales smash records in August as Tesla loses ground


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Genesis is about to launch two new ‘electrified’ SUVs based on the GV70

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Genesis is about to launch two new 'electrified' SUVs based on the GV70

It’s official. The Genesis GV70 is about to get two new electrified options, including its first hybrid and extended-range (EREV) versions.

Two new Genesis GV70 electrified SUVs are coming soon

Genesis is turning 10, and it’s planning to go all out. Hyundai gave us a look at what’s coming last month during its CEO Investor Day.

The plans include Genesis expanding with new electrified powertrain offerings, including its first hybrid and extended-range electric vehicles.

Up until now, the luxury automaker has focused on fully electric (EV) or internal combustion engine (ICE) vehicles. By expanding into different electrified powertrains, Genesis hopes to attract new buyers to the brand while grabbing a bigger share of the luxury market.

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Genesis will launch its first hybrid in 2026, the GV80. We knew the GV70 EREV would follow shortly after, but now it’s been confirmed that a hybrid model is also set to join the lineup.

We got our first look at the Genesis GV70 EREV last week. The vehicle was parked in South Korea and appeared to be nearly identical to the current model. Aside from a tag labeling it an EREV and a massive muffler at the back, it looks about the same as the Electrified GV70.

Now, we are finally getting a glimpse of the Hybrid version. The Genesis GV70 Hybrid was also caught by HealerTV in South Korea, this time with an HEV tag.

Like the EREV, the GV70 Hybrid is still covered in camouflage, but this time, you can see the vehicle has the brand’s sport package. The optional package adds sporty exterior and interior elements, including chrome around the Crest Grille and window trim.

Genesis-GV70-hybrid
The Genesis Electrified GV70 (Source: Genesis)

The vehicle is still a prototype, so it could change by the time it reaches production form. However, as the reporter points out, the GV70 Hybrid could bring a unique new look to the GV70 series.

On the side of the tire, the letters “FL” are printed, which is typically shown on Hyundai vehicles set to receive a facelift.

Genesis-GV70-hybrid
Genesis plans to launch new luxury EVs, hybrids, and EREVs (Source: Hyundai)

Genesis is expected to launch the GV70 EREV in late 2026, followed by the Hybrid version sometime in early 2027.

According to Hyundai, the EREV will have a combined driving range of over 1,000 km (620 miles). Although it still runs on an electric motor, it will feature a small gas motor that acts as a generator to charge the battery and extend the driving range.

Genesis is betting on new electrified vehicles, including EVs, hybrids, and EREVs, to drive growth. The luxury brand aims to expand into up to 20 new European markets while gaining a bigger share of the US market. By 2030, Genesis aims to sell 350,000 vehicles.

Although it had planned to only offer fully electric vehicles from 2030, Genesis backed off on its commitment. Instead, it will use hybrids and EREVs as a bridge to an all-electric future.

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Duracell’s first-ever EV fast charger network will be in the UK

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Duracell's first-ever EV fast charger network will be in the UK

Duracell, the iconic US battery brand that started in the 1920s, is crossing the Atlantic to launch its first-ever EV fast charging network, Duracell E-Charge, in the UK.

Sales of gas and diesel cars will end by 2030 in the UK, which is driving EV sales and charging infrastructure growth. With more than £200 million ($266 million) in planned investment over the next decade, Duracell E-Charge is getting on the bandwagon with an aim to improve the fast charging experience.

Duracell has licensed its new network to Elektra Charge, a charge point operator set up to run the Duracell E-Charge network. The EV Network (EVN), one of the UK’s top charging infrastructure developers, will fund and build the charging hubs.

“The need for faster, more reliable charging to keep pace with EV adoption is clear,” said Reza Shaybani, CEO of The EV Network. “Duracell E-Charge is a direct response to that challenge.”

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Duracell’s EV fast charging network will feature 400 kW ultra-fast chargers where drivers can pay via app, contactless, or plug-and-go. Each site will have intuitive interfaces, clear signage, and 24/7 support.

The first six Duracell E-Charge sites will come online in 2025. The Sunday Times reported that Duracell plans to grow its charging network to at least 100 charging stations with at least 500 charging points by 2030. The hubs will be strategically located along major motorways, near retail and hospitality venues, and at key city gateways.

“Charging your car should be as simple as changing the batteries in your remote,” said Mark Bloxham, managing director of Duracell E-Charge. “Plug. Play. Go.”

Electrek’s Take

I asked Duracell whether it had plans to launch Duracell E-Charge in the US, and I’ll update this story if I hear back. But if you want to know why this American legacy company launched its first DC fast charging network in the UK instead of the US, it’s a simple answer. Business-friendly, stable government policy.

Read more: InstaVolt is using GPS tracking to catch thieves stealing its EV charging cables


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Your personalized solar quotes are easy to compare online and you’ll get access to unbiased Energy Advisors to help you every step of the way. Get started here.

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