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Articles by Bruce Mountain

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Coal closures: Will utility margins rise where the sun don't shine?

Coal closures: Will utility margins rise where the sun don’t shine?

JP Morgan say that with rapid coal generation closure, AGL may be worth more than the market currently thinks. But maybe not.

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Solar and battery storage beating best retail offers in S.A. by a quarter

Solar and battery storage beating best retail offers in S.A. by a quarter

New data shows that in South Australia, battery storage is already offering significant savings – as much as 25% on annual electricity bill costs – to households with solar. Retailers will need to turn to Plan B.

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Tesla's price shock: Solar + battery as cheap as grid power

Tesla’s price shock: Solar + battery as cheap as grid power

New pricing for Tesla Powerwall suggests solar and battery storage now competitive with grid power. For about $16,000, consumers can slash their grid bill to almost nothing and not worry about blackouts. The strategic and commercial implications are marvellous or frightening, depending on your vested interest.

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AGL's new retail offer signals big jump in wholesale electricity prices

AGL’s new retail offer signals big jump in wholesale electricity prices

AGL’s new fixed price offer to Victorian households suggests it expects much higher wholesale prices over the next two years.

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Making sense of the AEMO report on SA blackout

Making sense of the AEMO report on SA blackout

What might reasonably be made of the AEMO report, at this stage, in understanding what happened?

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How the South Australia blackout occurred: what the data tells us

How the South Australia blackout occurred: what the data tells us

When catastrophic failures occur, people quickly demand explanations and start to point fingers. Sometimes it’s best to check the data.

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Does rapid renewables expansion necessarily mean higher electricity prices?

Does rapid renewables expansion necessarily mean higher electricity prices?

Grattan Institute’s latest report suggest rapid expansion of renewable capacity means higher electricity prices. But is that true?

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Are retailers failing to properly value rooftop solar generation?

Are retailers failing to properly value rooftop solar generation?

According to the Victorian pricing authority – yes they are. But is this a “market failure” that justifies regulatory intervention, or are we missing something?

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Australia's big energy retailers are fattening their consumer margins

Australia’s big energy retailers are fattening their consumer margins

Electricity retailers make their biggest margins in South Australia, the state at the centre of controversy over energy prices. And retail margins in many states have jumped 50 per cent.

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Grid parity for battery storage? It's complicated

Grid parity for battery storage? It’s complicated

Depending on the retail electricity offer, the payback period for a given household battery storage system should range between 10-85 years. Grid parity? Your call.

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Networks continue spending spree, and the customer pays

Networks continue spending spree, and the customer pays

Captive consumers are losing out again in network spending decisions. Democracies have ways of dealing with such cognitive dissonance. Its past time that the people were heard.