Unplugging from the grid – an ambition or a real choice?

2015 JUL 3 – Sydney, Australia, “A new wave of social and academic discussions is sweeping the web, about the possibility of installing PV-battery systems and ‘leaving the grid’ or ‘living off-grid.”

The recent rapid decline in PV prices has brought grid parity, or near grid parity for PV in many countries. This, together with an expectation of a similar reduction for battery prices has prompted research from R. Khalilpour, School of Chemical & Biomolecullar Engineering, University of Sydney, “This, if uncontrolled, has been termed the ‘death spiral’ for utility companies. We have developed a decision support tool for rigorous assessment of the feasibility of leaving the grid. Numerous sensitivity analyses are carried out over critical parameters such as technology costs, system size, consumer load, and feed-in-tariff. The results show that, in most cases, leaving-the-grid is not the best economic option and it might be more beneficial to keep the connection with the grid, but minimize the electricity purchased by installation of an optimized size of PV-battery systems. The policy implication of this study is that, from an economic perspective, widespread disconnection might not be a realistic projection of the future. Rather, a notable reduction of energy demand per connection point is a more realistic option as PV-battery system prices decline further.”

The research concluded: “Therefore, policies could be devised to help electricity network operators develop other sources of revenue rather than increasing energy prices, which have been assumed to be the key driver of the death spiral.”

For more information on this research see: Leaving the grid: An ambition or a real choice? Energy Policy, 2015;82():207-221.

200W Portable Power Station, Powkey 120Wh/33,000mAh Power Bank with AC Outlet, 110V 6 Outputs Solar Generator External Battery Pack with LED Light for Home Use and Outdoor Camping

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120WH CAPACITY: The power station has a power capacity of 120Wh/33,000mAh which the camping power supply can power most electronic devices efficiently. It can fully charge mobile phone 10+ times, the laptop 2 times, the CPAP machine 3 hours (the time... read more

Portable Power Station 600W, Powkey 296Wh Battery Backup with 2 Pure Sine Wave AC Outlets, USB-C PD100W and 2 Wireless Chargers, Solar Generator (Solar Panel Optional) for Outdoor Camping/RVs/Home Use

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CAMPING BATTERY WITH MOST PORTS: The outdoor backup lithium battery features 2 x AC outlet (110V 600W in total), 2 x USB-A port, 2 x USB-C port, 2 x 10W Wireless Charger, 2 x 12V DC port and 2 x charging port (USB-C, DC). Our portable power generator... read more

powkey Portable Power Station 800W with 3 AC Outlets, 110V/740Wh Solar Generator(Solar Panel Optional), 200,000mAh Emergency Backup Lithium-ion Battery for Outdoors Travel RV Trip Camping CPAP Machine

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The outdoor backup lithium battery features 3 x AC outlet (110V 800W in total), 2 x USB-A port, 2 x USB-C port, 2 x 10W Wireless Charger, 2 x 12V DC port and 2 x charging port (Anderson, DC). Our portable power generator with wireless charger, you ca... read more

Generac B4177GS Generator Battery Charger Genuine Original Equipment Manufacturer (OEM) Part

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This part is compatible with models including; 030247-01,030247,1656-1,01893,030240,030242,580326310,580326311,030477A-01,580754952,580754951,580329140,580754950,01925,020573-00,030237,030216,030337-0,030210,030338-1,580325650,030470-1,030471-0,58032... read more

Portable Power Station 350W, Powkey 260Wh/70,000mAh Backup Lithium Battery, 110V Pure Sine Wave Power Bank with 2 AC Outlets, Portable Generator for Outdoors Camping Travel Hunting Emergency

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Multiple Charging Ports: 2* Pure Sine Wave AC outlets (110V 350W ), 2* USB-A ports (5V, 3.1A total),1* USB-C port , 2* DC Outputs(12V 8A; 24V 3A) and 1* 12V DC car port to charge your devices, and 1 * 10W wireless charging pad are also equipped 3 Cha... read more