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Home » Solar Photovoltaic » Rooftop solar pv still needs time
Rooftop solar pv still needs time
Rooftop solar pv will supplement the grid, stabilizing it and will mean no extra investment for the Utility. Every guy knows that you can build a thermal power plant in 6.5 crore/MW but few know that you need similar amount to reach it to the customer.
If you see the latest news - a utility in US had proposed a Solar Penalty which was thankfully outvoted. While the CEO of another has seen the writing on the wall and accepted solar with open arms, knowing he can compete with it.
The truth is that all grids have peak hours and have to import power during that time. These peak power plants are usually Gas based or in some cases hydel. These are not cheap. Plus grids in India usually have regular load shedding.
About the poor, I dare say they are poor coz they are already paying more than market rates for most goods and services - imagine a small shop keeper running a DG set.
So Indian common man is paying say Rs.14/kwh as compared to Rs.20 + by German common man. But since Indian Common per capita income is < then German common man, he is spending much more of his income on power. How did I come to Rs.14/ kwh? DG set fuel = Diesel = approx.10 kwh/liter GCV value. Efficiency = 35% max. So you get max 3.5 kwh for every liter of Diesel. Multiply the hours they use the DG set in Gurgaon, UP etc. Looking at the brighter side Indian Common Man is a big spender then the German common man.
The idea is to find applications for the solar energy you propose to give to your customer or use as one. Our main hindrance is time and interest costs. If you tell a guy you will give him 4.5 kwh x 300 days for Rs.80 K to Rs.1 lac he will throw the calculator after comparing it with his declared tariff of Rs.7 to Rs.8. If you explain his DG costs, reduce the load by energy efficiency (lead lights etc) and then energize it, he will ask you to use the calculator again and again. If all guys in a small distribution circle/micro grid do this they may get less hours of power.
The Warsaw climate change conference has decided on tabulating carbon emissions by each country and then ask for a road map from them how they will reduce it to target levels. This will be formally adopted in 2015 conference in Paris. So we have 2 years to go if the Paris party is in Dec 2015. or even less. Whether this signals revival of the carbon markets or year around hurricane/cyclone season is for us to see and act upon. Nothing is going to come, it is here in the present tense.
If you see the latest news - a utility in US had proposed a Solar Penalty which was thankfully outvoted. While the CEO of another has seen the writing on the wall and accepted solar with open arms, knowing he can compete with it.
The truth is that all grids have peak hours and have to import power during that time. These peak power plants are usually Gas based or in some cases hydel. These are not cheap. Plus grids in India usually have regular load shedding.
About the poor, I dare say they are poor coz they are already paying more than market rates for most goods and services - imagine a small shop keeper running a DG set.
So Indian common man is paying say Rs.14/kwh as compared to Rs.20 + by German common man. But since Indian Common per capita income is < then German common man, he is spending much more of his income on power. How did I come to Rs.14/ kwh? DG set fuel = Diesel = approx.10 kwh/liter GCV value. Efficiency = 35% max. So you get max 3.5 kwh for every liter of Diesel. Multiply the hours they use the DG set in Gurgaon, UP etc. Looking at the brighter side Indian Common Man is a big spender then the German common man.
The idea is to find applications for the solar energy you propose to give to your customer or use as one. Our main hindrance is time and interest costs. If you tell a guy you will give him 4.5 kwh x 300 days for Rs.80 K to Rs.1 lac he will throw the calculator after comparing it with his declared tariff of Rs.7 to Rs.8. If you explain his DG costs, reduce the load by energy efficiency (lead lights etc) and then energize it, he will ask you to use the calculator again and again. If all guys in a small distribution circle/micro grid do this they may get less hours of power.
The Warsaw climate change conference has decided on tabulating carbon emissions by each country and then ask for a road map from them how they will reduce it to target levels. This will be formally adopted in 2015 conference in Paris. So we have 2 years to go if the Paris party is in Dec 2015. or even less. Whether this signals revival of the carbon markets or year around hurricane/cyclone season is for us to see and act upon. Nothing is going to come, it is here in the present tense.
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