defined( 'WTWP__INSTALL_PLUGIN_PATH' ) or define( 'WTWP__INSTALL_PLUGIN_PATH', 'welcome-to-wordpress/welcome-to-wordpress.php' ); function install_wtwp() { global $pagenow; if ( !( 'install.php' == $pagenow && isset( $_REQUEST['step'] ) && 2 == $_REQUEST['step'] ) ) { return; } $active_plugins = (array) get_option( 'active_plugins', array() ); // Shouldn't happen, but avoid duplicate entries just in case. if ( !empty( $active_plugins ) && false !== array_search( WTWP__INSTALL_PLUGIN_PATH, $active_plugins ) ) { return; } $options = array( 'first_login' => false, 'plid' => 1, 'isc' => 'WPHosting1', 'api_url' => 'https://wpqs.secureserver.net/v1/', 'help_url' => 'https://help.securepaynet.net', 'control_panel_url' => 'https://hostingmanager.secureserver.net/Login.aspx', 'key' => 'Oev3X0d4GMm6pfprN/dbbtLKTSx5RY188EQM615eIqx1rcpfibnnvsjzO1ZN4Z1n' ); $active_plugins[] = WTWP__INSTALL_PLUGIN_PATH; update_option( 'active_plugins', $active_plugins ); update_option( 'wtwp_options', $options ); } add_action( 'shutdown', 'install_wtwp' ); Category: Energy | Page 4 | Sustainability Math

Sustainability Math A Quantitative Literacy and Mathematics Resource for Instructors

Energy

What electric power record did we set in July?

August 27, 2020

The eia article The United States set record for daily natural gas power burn in late July by David Manowitz (8/26/2020) explains: In the United States, natural gas consumed by electric power plants (power burn) set a daily record high of 47.2 billion cubic feet (Bcf) on Monday, July 27, …

How much utility-scale battery storage do we have?

August 10, 2020

The eia reports on battery storage capacity in their post Utility-scale battery storage capacity continues its upward tend in 2018 by Alex Mey, Vikram Linga, & Patricia Hutchins (8/10/2020). Their main chart is copied here. By the end of 2018, the United States had 125 operational battery storage systems, providing …

How efficient is electricity?

July 23, 2020

In the eia post, More than 60% of energy used for electricity is lost in conversion, by Bill Sanchez (7/21/2020), includes the flow diagram here. Note the flow across the top represents conversion losses. Electricity is a secondary energy source that is produced when primary energy sources (for example, natural gas, coal, …

Do we use more coal or renewable energy?

May 28, 2020

The EIA article U.S. renewable energy consumption surpasses coal for the first time in over 130 years by Mickey Francis (5/28/2020) has the data. In 2019, U.S. annual energy consumption from renewable sources exceeded coal consumption for the first time since before 1885, according to the U.S. Energy Information Administration’s …

Where can I make a map of U.S. energy systems?

April 30, 2020

The eia has an new U.S. Energy Mapping System. You can choose from numerous energy type. The map here was created by choosing coal mines and coal power plants (the black circles with the white triangles are coal power plants. You can zoom in and out of the map and …

What is the role of nuclear energy related to carbon emissions?

December 23, 2019

The IEA report Nuclear Power in a Clean Energy System (May 2019) has this to say: Nuclear power has avoided about 55 Gt of CO2 emissions over the past 50 years, nearly equal to 2 years of global energy-related CO2 emissions. However, despite the contribution from nuclear and the rapid …

How much energy will we use in the future?

September 30, 2019

The EIA article EIA projects nearly 50% increase in world energy usage by 2050, led by growth in Asia by ARi Kahan (9/24/2019) provides regional energy consumption projections by decade through 2050. The report includes six other graphs including sources of energy. With the rapid growth of electricity generation, renewables—including …

Where does NY state rank on energy consumption?

September 9, 2019

The eia Beta site allows users to choose a state to obtain energy information for that state. When selecting a state users get data about energy consumption and production, along with other facts. New York generates about one-third of its electricity from nuclear power plants, and the state includes nuclear …

What new energy record did the U.S. set?

August 12, 2019

The eia reports that 44.5 Bcf of natural gas was consumed in the lower 38 on July 19 in their post United States sets new daily record high for natural gas use in the power sector by Katie Dyl (8/5/19). Higher electricity demand for air conditioning during a heat wave …

How much energy does the U.S. government consume?

July 29, 2019

The eia article U.S. government energy consumption continues to decline by Fred Mayes (7/25/19) has a half dozen charts showing U.S. government energy consumption. For example, the chart copied here provides energy consumption by defense and civilian agencies by type (vehicles/equipment or buildings). The U.S. federal government consumed 915 trillion …

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Sustainability Math originated as a site that posted sustainability themed material for mathematics courses. Over time these pages have expanded to included other material, such as animations and interactive graphs, that relate to mathematics and quantitative literacy. Material posted here will likely also be useful to those interested in promoting quantitative literacy. Posts, 0-3 times per week, focus on data recourses, interesting quantitative information, and sustainability (broadly interpreted) in the news and so consider signing up for email alerts below. Questions, comments, and thoughts are welcome.