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Solar Generation
this week in kWh
November 23

1.3

November 24

2.7

November 25

0.6

November 19

3.5

November 20

9.7

November 21

12.3

November 22

1.6

*=snow
#=ice on array  
 
Nov Total

127.8

Mean

5.1

Median

3.5

Month High

14.2

Month Low

 0.5

Array Size

2.8 kW

   

30 Day Statistics

Total:  160.5 kWh

Ave Cap Factor: 8.0%

Mean: 5.4

Median: 3.8

Max: 14.2

Min: 0.5

Standard Dev: 4.2

1st Q: 2.0

3rd Q: 7.7

Skew:   0.8

 

Total kWh Sent to Grid in Nov: 32

Total kWh Sent to Grid this Year: 1473

Total kWh Sent to Grid in 2013: 549

 

 

 

 

Welcome!

How do you build a better power supply for a city?

Over the next 100 years the consequences of unchecked Global Warming will devastate large parts of our planet. The burning of fossil based carbon fuels is a major contributor to this effect with electrical power generation facilities and household heating being major players. As the dangers from CO2 pollution become even more apparent, we are on the cusp of a grand human project to decarbonize our civilizations. Our cities will require new massive green power supplies built using technologies which have ultra low or no fossil carbon emissions. In areas where household winter time heating consumes fossil fuels, the electric grid will have to expand supply to provide household electric heating. These new and larger power supplies can be both centralized and dispersed. Solar panels on urban rooftops and small wind turbines are two forms of dispersed power generation. In a plan to decarbonized our city, what are the reasonable estimations that engineers can make for extra electrical energy usage and efficiency increases for an older house in the Greater Toronto Area? The Ravina Project provides some of these basic data.

What is The Ravina Project?

The Ravina Project is a privately funded green energy research project in Toronto Canada located at 43.68 N and 79.34 W. We have used our own resources to turn our home into a science experiment. We want to provide energy use and generation data for the public and do green energy research. See our Project Goals page for more information. We fervently hope that access to our data will be a factor in giving people the confidence to press forward with their own green energy projects

What have we done?

We have worked to upgrade our 1920s era house so that it is much more energy efficient. We use a natural gas boiler to heat the house and to provide domestic hot water. We have insulated the house, replaced windows and doors, swapped out all the light bulbs with more efficient ones during the non heating months and use power bars on all 'instant on' devices. We installed 1.5 kW (now 2.8 kW) of solar panels on a tiltable structure, batteries to run the house in times of blackout, and a bidirectional interface to the power grid. We have built this WEB site to publish our papers and data. In short we have modified our house to be a well insulated, Grid resilient house.

Our Research and Data Collection

Our Solar Project began on November 1st 2006 and upgraded on September 18th, 2013. The database containing the household carbon energy use begins in 2003. We are tracking our energy use and solar energy generation on daily, weekly, monthly and yearly bases. We have written and continue to write formal papers on a variety of topics including but not limited to: solar power generation techniques and insights, household thermodynamics (focused both on winter and summer time demands), the War on CO2, modeling the future effects of decarbonization upon the household and the policy implications of what we discover in our data. Periodically we will go off-grid for special events, to test our solar energy generation and battery capacity assumptions. We publish our work/data here on the WEB for others to use. See the Project Papers page for the currently available papers. Much of our data are published on the Solar Data and House Data pages.  We are on Twitter. Get our daily generation and energy use tweets at: @ravinaproject.

What's New:  We have modified our House Data page to show the newest look at our winter time household heating efficiency gathered over 10 heating seasons. 

Humanity's Post Global Warming Epitaphs: "We could not afford to save ourselves. It would have cost too much."

It is our opinion that humanity's relationship with Global Warming can best be summed up by: Prometheus in the Anthropocene, where his cognitive limitations come face to face with a strange new planet he once called home.

Upon refection and integration of much into our thinking, we have come to the conclusion that a global future that is safe for women, that is, a future that allows women to thrive is the best future. In a real sense, women are the 'canaries in the coal mine' such that, a global future where women cannot thrive is a future where humanity is doomed. This works on so many levels; we are baffled as to why this metric is not more widely understood and used.