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Empowering Communities: The Rise of Microgrid Solar Power Systems

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In a world seeking sustainable and decentralized energy solutions, microgrid solar power systems have emerged as a beacon of hope, revolutionising the way communities generate, store, and consume electricity. A recent article published by The New York Times on August 7, 2023, titled “Microgrid Solar Power: Paving the Way for Energy Independence,” sheds light on the transformative potential of these innovative energy networks.

According to the New York Times, “Microgrid solar power systems represent a paradigm shift in how we think about energy generation and distribution. These localized systems are changing the landscape of power generation, making communities more resilient and environmentally responsible.”

The article delves into the intricate workings of microgrid solar power systems and their remarkable ability to provide localized, resilient, and environmentally-friendly energy solutions. As global concerns about climate change and the depletion of finite fossil fuels intensify, the spotlight is increasingly turning towards renewable energy sources, and microgrids are stepping into the limelight as a promising solution.

More about Microgrids

At the heart of the microgrid concept lies its capacity to generate electricity on a small scale, catering to specific community needs. Dr. Emily Rodriguez, an energy expert interviewed for the article, explains that “Microgrids empower communities by allowing them to take control of their energy production. This localized approach not only reduces transmission losses but also enhances energy security and helps mitigate the impacts of climate change.”

One of the most remarkable aspects highlighted by The New York Times article is the resilience that microgrid solar power systems offer. In an era marked by unpredictable weather events and natural disasters, these systems serve as energy lifelines, providing uninterrupted power to critical facilities such as hospitals, emergency shelters, and communication centers. The New York Times quotes Mark Johnson, CEO of a leading microgrid solutions provider, saying, “Microgrids are the future of reliable energy supply. By incorporating energy storage technologies, these systems ensure a constant power supply, even during disruptions.”

Furthermore, the article highlights the economic benefits of microgrid solar power systems for communities. As energy costs continue to fluctuate, and concerns about energy security persist, many communities are embracing the microgrid model as a means of reducing their reliance on traditional utility companies. According to the article, “Microgrids not only offer energy resilience but also stimulate local economies. Job creation in the renewable energy sector and reduced energy expenses are just some of the positive outcomes observed in communities adopting microgrids.”

The potential for microgrid solar power systems is vast, and the article underscores ongoing initiatives and projects that are already making waves across the United States. For example, the Brooklyn Microgrid is highlighted as a pioneering project that allows residents to buy and sell excess energy generated by their solar panels within the community. This innovative approach not only promotes sustainable energy practices but also empowers local residents to become active participants in the energy market.

In conclusion, the recent article by The New York Times serves as a rallying cry for the widespread adoption of microgrid solar power systems. As we navigate the challenges of the 21st century, it is imperative that we explore sustainable, adaptable, and resilient energy solutions. Microgrids, with their ability to generate clean energy at a local level, hold the key to a future powered by the sun, harnessed by communities, and safeguarded against the uncertainties of the modern world.

More reading – References and Links to Established Microgrids:

1. Brooklyn Microgrid: The Brooklyn Microgrid is a groundbreaking project that allows local residents to trade solar energy within their community. Learn more about this innovative initiative at (https://www.brooklynmicrogrid.com/).

2. Clean Energy Group: The Clean Energy Group is a nonprofit organization that actively promotes the adoption of microgrids and other clean energy solutions. Explore their work and resources at (https://www.cleanegroup.org/).

3. Energy.gov: The U.S. Department of Energy provides valuable insights and information on microgrid technologies and their benefits. Discover more about microgrids at (https://www.energy.gov/oe/services/technology-development/smart-grid/microgrids).

4. Rocky Mountain Institute: The Rocky Mountain Institute offers research and case studies on microgrids, showcasing their potential to transform the energy landscape. Explore their microgrid resources at (https://rmi.org/our-work/electricity/microgrids/).

5. Green Energy Communities: Learn about successful microgrid implementations in various communities across the United States at (http://www.greenenergycommunities.net/).

 

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Redflow – ZBM2 Microgrid in Tasmania for Hackett

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Redflow CEO Simon Hackett has shifted his Tasmanian sheep and cattle farm to a new power source – a 100kW ground mounted solar microgrid using 27 Redflow ZBM2 batteries. Nice to see the bosses eating their own dog food. Let’s take a look at the project and what their future plans are for it.

Redflow – ZBM2 Microgrid in Tasmania for Hackett

Hackett, the owner of Redflow,  will use an initial deployment of 27 ZBM2 batteries, storing as much as 270 kilowatt-hours (kWh) of energy, interfaced to a large fault-tolerant cluster of 12 x Victron Quattro 48/15000 inverter/chargers.

Simon Hackett at his Tasmanian farm (source: Redflow)
Simon Hackett at his Tasmanian farm (source: Redflow)

 

“The project, with an overall budget of around $1 million, will include the building of a new site-wide microgrid. This will use new underground power interconnects to link seven distinct buildings across the whole property,” Hackett said in a statement. He went on to discuss the existing situation at the sheep and cattle farm he owns:

“We already have a Tesla Model S at the property and we plan to progressively replace our existing fleet of diesel farm ATVs, utes, and tractors with electric versions as soon they become available,” he said.

“We read with interest earlier this year that Toyota is committed to making electric HiLux 4WD vehicles and we would love to take delivery of the first of those to reach Australian shores.

Hackett explained that the Microgrid has myriad future plans and will be scalable:

“We can and will add more renewable energy generation using solar and/or wind if required in the future. Even after the full replacement of diesel vehicles with electric ones, we expect the property to be a net exporter of electrical energy to the Tasmanian grid,” he said.

Lastly, Hackett is very optimistic (mind you, he’d want to be) about the installation – we’re very interested to see some figures on how much it saves:

“I am convinced, based on my deep experience with Redflow, that ZBM2 batteries at the core of this energy system can deliver the hardworking energy storage and longevity to make this investment pay off over the long term,” he said in comments made last week.

Click here to read the original press release on Redflow’s website, entitled ‘Redflow receives order for ZBM2 batteries to power rural microgrid in North West Tasmania’.

 

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Power Ledger Extend Solar Trading Trial

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Western Australian based tech company Power Ledger have extended their solar trading trial – let’s take a look at what stage 2 of the company’s p2p renewable trading scheme will encompass.

Solar Trading and Power Ledger

Power Ledger’s blockchain technology has been used since November 2018 to track the transactions of rooftop solar energy traded between 18 households in Fremantle, Western Australia.

The Fremantle Smart Cities project was titled RENeW Nexus and its goal was to demonstrate peer-to-peer energy trading between residential houses. 

Project partners included Curtin University, government-owned retailer Synergy, Western Power, the government-owned network operator, and the City of Fremantle itself.

The trial works by utilising Western Power’s existing network with Synergy’s customers. The Power Ledger platform allows households to buy and sell excess rooftop solar energy in real-time, with residents able to view electricity usage in 30-minute intervals, rather than waiting for their quarterly bill.

Since the trial started in November 2018, Power Ledger has processed almost 50,000 transactions on its platform per month and tracked over 4 megawatt hours of peer-to-peer renewable energy trades. Safe to say it’s been a roaring success, so they’re off to start the second phase of their trial. 

Power Ledger are also working outside of Australia in varied capacity:

  • Silicon Valley Power in the City of Santa Clara alongside Clean Energy Blockchain Network
  • BCPG T77 Thailand
  • Kansai Electric Power Co. (Phase 1)
  • Vicinity Castle Plaza

Saving With Solar Interview with Power Ledger

We had a chat to Power Ledger about the exciting second phase of their renewable energy trading scheme

With ~50k transactions per month currently, what’s the target for 2020?
Power Ledger intends to double the number of participants in the second phase of the trial.

How many trial partners will be involved in stage 2?
In the second phase of the trial we continued to partner with Synergy, Western Power, Curtin University and EnergyOS 
 
Any info on the ‘additional pricing models’ in stage 2? 
The pricing model for stage 2 is similar to stage 1, with some minor tweaks. The partners will be organising workshops and surveying participant to learn more about pricing models. 
 
How much of the trading is automated so the prosumers don’t have to do much?
All the trading is automated. in this deployment however, participants have the option to set their preferred buy and sell prices for peer to peer energy. They can be as active as optimising their prices and trading on a half hourly basis. Alternatively they could go in the platform and set and forget their prices they are happy with.

VPP 2.0 (Virtual Power Plants 2.0)

According to a roadmap for Power Ledger released on Medium last year, the goal is to enact VPP 2.00 – which will allow a lot of options for households who want to trade solar. It also factors in ideas for a two-way electricity grid and options for households to assist the grid – be that through capacity, frequency control, or voltage support.  

We see VPP 2.0, or Virtual Power Plants 2.0, as a natural extension of our peer-to-peer functionality, tying all our other products together. xGrid will evolve into an optimized model of a virtual power plant, to create a conduit for the transaction of value between the owners of distributed energy resources and multiple counterparties.

Self-executing smart contracts will integrate with physical switches in the network, creating an autonomous power market with secure value transfer between consumers, energy markets and networks. For example, a household with solar may normally be trading energy in a P2P market, until they are offered a higher rate by the network to provide capacity, frequency control, or voltage support.

Power Ledger extend Solar Trading Trial to Stage 2. (source: Power Ledger)
Power Ledger extend Solar Trading Trial to Stage 2. (source: Power Ledger)
 
 

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Tesla in Townsville – Bohle Plains’ 4MW solar battery.

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Tesla in Townsville – Solar giant Tesla will install a 4MW/8MWh solar battery in Townsville, North Queensland to help manage renewable energy within the community. The battery is expected to be operational by the end of 2019.

Tesla in Townsville – Bohle Plains’ 4MW solar battery.

A community-scale battery will be installed in Townsville to help store excess energy, provide backup power to the community, and assist in providing support to Ergon’s virtual power plant, which draws electricity or reduces load from customers Queensland wide. This helps shore up any supply issues to the National Energy Market (NEM), especially during peak times such as during a heatwave.

Publicly owned Yurika manage the plant and it’ll be fascinating to see some statistics as to how this Tesla Powerpack helps QLD – with the South Australian Tesla Battery at the Hornsdale Power Reserve saving $25m in its first year of operation, we expect the result to be similarly impressive. 

Tesla in Townsville (Powerpack) (source: Tesla.com)
Tesla in Townsville (Powerpack) (source: Tesla.com)

“This is a small but significant addition to Queensland’s publicly-owned electricity system, a system which is delivering cheaper prices on average compared to other mainland states in the National Energy Market,” said Acting Energy Minister Mark Furner.

“Battery storage technology is the next stage in steady progress to enabling a renewable energy future and reaching our target of 50% renewable energy by 2030.”

“With around 20,000 residential rooftop solar systems in Townsville, battery storage technology will help ensure power quality and reliability in the local network.” he continued in quotes repeated in Clean Technica. 

Design work has already started on the battery and Tesla in Townsville is closer than you may think – the battery is scheduled to be fully operational in late 2019. Given that Townsville and its surrounding areas have seen a significant amount of investment in solar over the past few years, it’s going to be fantastic to have this battery to help stabilise the grid and provide cheaper power.

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Battery Energy Storage System in Alice Springs

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Battery Energy Storage System – Alice Springs is set to receive its first grid-scale battery as solar power in the Northern Territory heats up.

Alice Springs Battery Energy Storage System

Battery Energy Storage System Alice Springs
Battery Energy Storage System discussion at Alice Springs (source: territorygeneration.com.au)

The $8.3M, 5MW/2.5MWh grid-scale battery storage facility in Alice Springs was announced last year and has been completed this week. It was built by New Zealand solar company Vector using LG grid-scale solar batteries.  

Government owned Territory Generation (The Northern Territory’s major electricity producer) have advised that they’re hoping this battery will facilitate greater uptake of solar in the NT:

“The Battery Energy Storage System is an important milestone in the Northern Territory’s transition to renewable energy and a critical piece of infrastructure to support the Northern Territory Government’s Roadmap to Renewables strategy,” Territory Generation Chief Executive Officer Tim Duignan said.

“Reliability and stability of the power system is a critical barrier in the uptake of renewable energy across Australia, and I am pleased that we are at the forefront of tackling this issue right here in Alice Springs,” he continued.

The BESS should have quite a big impact on base-load power as well, so let’s see how it fares during summer 2018/19. Previously a very conservative approach to local grid management (read more in RenewEconomy) means this battery should help quite a lot: with half an hour storage capability, and can supply 8MW for 6 seconds, or 7.5MW for 60 seconds – suitable for the moments everyone decides their air conditioners need to be turned on at the same time!  

Mr. Duignan also discussed the plans for Darwin solar in the future: “The cutting-edge technology in our Battery Energy Storage System will reinforce Alice Springs as the solar capital of Australia by enabling greater solar penetration whilst maintaining grid stability.”

We wrote about the Battery Energy Storage System (BESS) last June as it was unveiled in an attempt to compete with the other states, where the Northern Territory was lagging behind considerably (January 2017 PV output was 4,049MWh vs Queensland’s 126,629MWh). 

The Northern Territory is in a very unique position compared to its neighbour states – the state hosts a mere one percent of the total population but it represents approximately 15% of Australia’s land mass. However, installs are more expensive over there due to less competition and higher cyclone ratings required on solar panels. This dearth of Darwin solar is starting to change and there are a raft of high quality solar installers working hard in Darwin, Katherine, Alice Springs, and more. It’ll be interesting to see how quickly they can catch up to the other states. 

Darwin Solar Farms

There are plenty of farms and solar projects in various stages of completion in the Northern Territory and this is growing rapidly:

  • GPT Group have 1.25 MW at Casuarina Square shopping Centre
  • Darwin International Airport’s 4MW.
  • Epuron are working on a 25MW Solar plant at Katherine.
  • The Australian Defence Force have tendered for a 12MW of solar (combined) at their Darwin and Robertson Barracks.
  • Rim Fire Energy Retail’s 10MW Batchelor solar farm.
  • Infigen Energy are building a 12MW solar farm at Manton Dam and 10MW at Batchelor.
  • Community solar project “Repower Alice Springs” is planning for a 10MW community solar farm.

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