Australia photovoltaic roof may face electricity limit

Household photovoltaic net news: as the future roof installation of photovoltaic array size may exceed expectations, distribution network power supply from rooftop photovoltaic array to Australia may encounter strict restrictions. Cornwall Insight forecast shows that by 2030 Australia's rooftop solar will increase about 24. 45 gw, speed will speed up the development of distribution level the demand of the market, and grid cuts may happen in the future.

Australian family is enabled in an unprecedented fashion rooftop photovoltaics, families and small businesses is from polluting fossil fuels to reduce the cost of clean energy. Although during installation rates expected in the new crown pneumonia outbreak declined, solar power grid, but still more than most forecasts.

but the government has not granted the rights of the homeowners to install roof system photovoltaic (pv) grid, those who want to install small-scale solar system of the people as soon as possible within the next decade could face a power output of photovoltaic severely limited, even a operator to stop the system connected to the grid. Results may be photovoltaic roof assets into it all of the power grid, to achieve the desired payback period.

Cornwall Insight in Australia in the division of consultant Ben Cerini explained: & other; The industry and consumers will be adversely affected, homeowners may find their assets cannot produce earnings, the question to them will be more serious than institutional investors, the influence of solar portal, because they are not as good as the latter mature. ”

the warning conclusion is the basis of Cornwall Insight analysis recently made by the Australian office. They found that, if do not have these restrictions, by 2030, Australia will increase 24 roof. 5 gw under 100 KWP scale of solar system.

some grid operators ( DSNP） Increased publicity, said the family roof owner inherent in the pv system output power is not a & other; Rights & throughout; 。 Victoria, a DNSP Powercor provide service for the western suburbs of Melbourne and the state in the western region. Company is the coverage area of homeowners provide consulting service about whether to allow pv input.

　　“ If we don't take any action in the 2026 years ago, almost half area substation service by the customer will face difficulties in attempting to output power to the grid, throughout the &; Powercor grid department general manager Steven Neave in late may, issued a statement calling for. At the same press release, Powercor received its rooftop photovoltaic (pv) grid system since the beginning of 2020 the number of 142200 to April 150500, suggesting that 2020 solar installation rates could rise to 18% from 14% in 2019.

DNSP apparently willing to emphasize rooftop solar energychallenge in network operations. installer, on the other hand, also pay attention to this area, they want to emphasize rooftop solar bring rapid return on investment. However the formula may be used by solar sales personnel based on the solar energyinput power grid capacity & ndash; — This is not foolproof.

Cornwall Insight Cerini division in Australia, said the roof solar system installation speed showed that the level should be established to speed up the distribution market. Cerini pointed out that since the current penetration rate of the rooftop pv system, we should promote as Energy Networks Energy market operators (Australia and Australia AEMO) The OpEN projects.

open energy networks ( 打开) Project aims to research can be distributed energy ( DER） Integrated into the way of existing grid, solar energy, and thus reduce the energy costs of consumers. A preliminary study on the OpEN paper has been published in May.

distribution market is one of the measures of the OpEN project is put forward, because they can promote innovation such as peer-to-peer power transactions and realize DER replacement value stream, such as rooftop solar and residential energy storage battery. They represent the fundamental change of distribution field toward the bidirectional power market, this concept contained in & other; Energy production throughout the consumer &; In a word.

Cerini advice, given the current level of installation, these work should speed up the pace. He pointed out that the OpEN the thesis assumes that the solar installation rates are below the current level, and added that if the distribution markets may slow & other; Cause consumer & hellip; … The cost of unnecessary & throughout; 。

Cerini said: & other; We [ Distribution market] Set up and run they require years of work, but the distance to the threshold of the integration. ” He added that this & other; Availability & throughout; Is unlikely to fall: & other; Rooftop solar don't even like large-scale renewable energy projects are sensitive to prices & hellip; … Because consumers want to deployment on housing DER may be due to many reasons. ”

DNSP restrictions on output power to the grid could stimulate the demand for energy storage. Although expensive, but the energy storage system allows homeowners to from a rooftop pv system per KWH of gain a certain value. Industry observers did notice, solar equipment, AEMO with unprecedented pace, and other institutions are trying to create a rapid increase of the environment for solar power generation capacity.

Cerini and Cornwall other analysts point out that the analysis is based on a small-scale solar energymarket downturn affected by the epidemic status and an average of 4. 5 kWp photovoltaic system scale.

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