A few days ago, the Texas Public Utility Commission (PUC) said that it was creating a memo to address issues that Commissioner McAdams touched upon in the July 11 workshop. To recap, Tesla Energy has been working with the PUC and the Electric Reliability Council of Texas (ERCOT).
The focus is on educating the utility and the commission about the benefits of allowing Tesla Powerwall customers in Texas to participate in virtual power plants (VPPs).
Tesla’s U.S. Energy Markets Policy Lead, Arushi Sharma Frank has been present at every meeting and has been working diligently to advocate for clean energy and Tesla Energy’s Texas customers.
The Memo
The previously mentioned future memo addresses some of the issues that Commissioner McAdams brought up in the July 11 workshop. He and Commissioner Glotfelty co-authored the memo.
The memo reads as follows:
As discussed during the June 16, 2022, Open Meeting and July 11, 2022, Aggregated Distributed Energy Resources (DER) Pilot Workshop, we support efforts to create a pilot project to test impacts of small-scale DER aggregation in the ERCOT market.
The pilot will answer questions related to how aggregated distributed generation can support reliability, enhance the wholesale market, incentivize investment, potentially reduce transmission and distribution investments, and support better load management during emergencies.
In the short term, we expect the pilot will bring in vital megawatts (MWs) of resources for participation in the ERCOT market.
ERCOT staff are required to prepare and present a governing document detailing the project scope to ERCOT’s board of directors.
The PUC will form a Task Force to identify operational obstacles to launching a pilot program and to assist ERCOT in drafting the governing document.
The next meeting to discuss the purpose and structure of the Task Force will be held on July 28, 2022. The governing document should be presented to the ERCOT board by October 11, 2022, so that it can meet a desired pilot start in the first quarter of 2023.
The Guiding Principles
The memo included five guiding principles that the commissioners want the pilot project to consider. They are:
- Understand the impact of having ancillary services carried on the distribution system.
- Create a structure that incentivizes competition and attracts broad DER participation through load-serving entities (LSEs).
- Measure the impacts of relieving or causing congestion on the distribution system, and study how to transition distribution-level aggregations to more granular dispatch and settlement.
- Ensure adequate customer protection is in place and information is anonymized.
- Start simple while ensuring economies of scale exist on a MW [megawatt] basis to attract broad participation. The pilot parameters should have the flexibility to progress to more complex scenarios as participation increases.
Project Scope.
This next section of the memo addresses the governing document that shares the project scope with ERCOT’s board of directors. These topics are scale, duration, transmission and distribution utilities participation, interchange of customers, and reliability.
The following is from the memo detailing each topic:
- Scale – Aggregations should be constrained within a load zone, with a single LSE, and served by the same transmission and distribution service provider (TDSP) with the potential for DER Management Systems (DERMS) aggregators to participate in the future. Participating TDSPs may limit pilot area based on feeder availability and information provided by LSEs related to their DER customers.
- Duration – The pilot should continue until implementation of ERCOT market rules to accommodate aggregation or until ERCOT deems the pilot project unnecessary. We expect a minimum of 3 years which will allow for incorporation of EMS upgrades, testing of customer migration, and qualifying resources for ERCOT services.
- TDSP Participation – It is imperative that competitive area transmission and distribution utilities (TDUs) and non-opt-in entities (NOIEs) participating in the pilot are willing participants and actively engaged to ensure safety and quality of experience to their customers. We expect reliability to be the ultimate consideration by TDSPs for qualifying DER customers.
- Interchange of Customers – The acquisition of customers should be handled by the LSE with terms and conditions to provide relevant operational data and a good customer experience that prioritizes affordability and reliability.
- Reliability – TDSPs should have the ability to manage participation considering system constraints, regular maintenance, and emergency situations. ERCOT in participation with the TDSPs shall be enabled to mitigate operational hazards and demands in this new era of transmission and distribution management.
You can read the full memo here. Have tips? You can email them to johnna@teslarati.com.
Energy
Tesla Energy celebrates one decade of sustainability
Tesla Energy has gone far since its early days, and it is now becoming a progressively bigger part of the company.
Tesla Energy recently celebrated its 10th anniversary with a dedicated video showcasing several of its milestones over the past decade.
Tesla Energy has gone far since its early days, and it is now becoming a progressively bigger part of the company.
Tesla Energy Early Days
When Elon Musk launched Tesla Energy in 2015, he noted that the business is a fundamental transformation of how the world works. To start, Tesla Energy offered the Powerwall, a 7 kWh/10 kWh home battery system, and the Powerpack, a grid-capable 100 kWh battery block that is designed for scalability. A few days after the products’ launch, Musk noted that Tesla had received 38,000 reservations for the Powerwall and 2,500 reservations for the Powerpack.
Tesla Energy’s beginnings would herald its quiet growth, with the company later announcing products like the Solar Roof tile, which is yet to be ramped, and the successor to the Powerwall, the 13.5 kWh Powerwall 2. In recent years, Tesla Energy also launched its Powerwall 3 home battery and the massive Megapack, a 3.9 MWh monster of a battery unit that has become the backbone for energy storage systems across the globe.
Key Milestones
As noted by Tesla Energy in its recent video, it has now established facilities that allow the company to manufacture 20,000 units of the Megapack every year, which should help grow the 23 GWh worth of Megapacks that have already been deployed globally.
The Powerwall remains a desirable home battery as well, with more than 850,000 units installed worldwide. These translate to 12 GWh of residential entry storage delivered to date. Just like the Megapack, Tesla is also ramping its production of the Powerwall, allowing the division to grow even more.
Tesla Energy’s Role
While Tesla Energy does not catch as much headlines as the company’s electric vehicle businesses, its contributions to the company’s bottom line have been growing. In the first quarter of 2025 alone, Tesla Energy deployed 10.4 GWh of energy storage products. Powerwall deployments also crossed 1 GWh in one quarter for the first time. As per Tesla in its Q1 2025 Update Letter, the gross margin for the Energy division has improved sequentially as well.
Tesla Energy shined in what was a weak delivery report for the first quarter, as the company’s frequently-forgotten battery storage products performed extraordinarily well.
Tesla reported its Q1 production, delivery, and deployment figures for the first quarter of the year, and while many were less-than-excited about the automotive side, the Energy division performed well with 10.4 GWh of energy storage products deployed during the first quarter.
This was a 156 percent increase year-over-year and the company’s second-best quarter in terms of energy deployments to date. Only Q4 2024 was better, as 11 GWh was recorded.
Tesla Energy is frequently forgotten and not talked about enough. The company has continued to deploy massive energy storage projects across the globe, and as it recorded 31.5 GWh of deployments last year, 2025 is already looking as if it will be a record-setting year if it continues at this pace.
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Although Energy performed well, many investors are privy to that of the automotive division’s performance, which is where some concern lies. Tesla had a weak quarter for deliveries, missing Wall Street estimates by a considerable margin.
There are two very likely reasons as to why this happened: the first is Tesla’s switchover to the new Model Y at its production facilities across the globe. Tesla said it lost “several weeks” of production due to the updating of manufacturing lines as it rolled out a new version of its all-electric crossover.
Secondly, Tesla could be facing some pressure from pushback against the brand, which is what many analysts will say. Despite the publicity of attacks on Tesla drivers and their vehicles, as well as the company’s showrooms, it would be safe to assume that we will have a better picture painted of what the issue is in Q2 after the company reports numbers in July.
If Tesla is still struggling with lackluster delivery figures in Q2 after the Model Y is ramped and deliveries are more predictable and consistent, we could see where the argument for brand damage is legitimate. However, we are more prone to believe the Model Y, which accounts for most of Tesla’s sales, and its production ramp is likely the cause for what happened in Q1.
In what was a relatively bleak quarter, Tesla Energy still shines as the bright spot for the quarter.
Tesla has chosen the location of its latest manufacturing project, a facility that will churn out the Megapack, a large-scale energy storage system for solar energy projects. It has chosen Waller County, Texas, as the location of the new plant, according to a Commissioners Court meeting that occurred on Wednesday, March 5.
Around midday, members of the Waller County Commissioners Court approved a tax abatement agreement that will bring Tesla to its area, along with an estimated 1,500 jobs. The plant will be located at the Empire West Industrial Park in the Brookshire part of town.
Brookshire also plans to consider a tax abatement for Tesla at its meeting next Thursday.
The project will see a one million square-foot building make way for Tesla to build Megapack battery storage units, according to Covering Katy News, which first reported on the company’s intention to build a plant for its energy product.
CEO Elon Musk confirmed on the company’s Q4 2024 Earnings Call in late January that it had officially started building its third Megapack plant, but did not disclose any location:
“So, we have our second factory, which is in Shanghai, that’s starting operation, and we’re building a third factory. So, we’re trying to ramp output of the stationary battery storage as quickly as possible.”
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The Megapack has been a high-demand item as more energy storage projects have started developing. Across the globe, regions are looking for ways to avert the loss of power in the event of a natural disaster or simple power outage.
This is where Megapack comes in, as it stores energy and keeps the lights on when the main grid is unable to provide electricity.
Vince Yokom of the Waller County Economic Development Partnership, commented on Tesla’s planned Megapack facility:
“I want to thank Tesla for investing in Waller County and Brookshire. This will be a state-of-the-art manufacturing facility for their Megapack product. It is a powerful battery unit that provides energy storage and support to help stabilize the grid and prevent outages.”
Tesla has had a lease on the building where it will manufacture the Megapacks since October 2021. However, it was occupied by a third-party logistics company that handled the company’s car parts.
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