U.S. Energy Information Administration logo
Skip to sub-navigation

What's New

Older than 8640 days

Petroleum Marketing Monthly - August 2002

Aug 1, 2002
Monthly price and volume statistics on crude oil and petroleum products at a national, regional and state level.

Energy Use in Manufacturing: 1994 to 1998

Aug 1, 2002
Between 1994 and 1998, real Gross Domestic Product (GDP) for manufacturing grew at an annualized rate of 5 percent.

International Petroleum Monthly - July 2002

Jul 31, 2002
This report contains monthly world oil production data through May 2002, monthly OECD country demand, imports, and stocks data through March 2002, and the Energy Market Chronology for June 2002. Also included are international oil balance data for 1998-2002 and annual oil data series for 1970-2001.

Diesel Fuel Price Pass-through

Jul 31, 2002
This article describes EIA's analysis of wholesale-to-retail price passthrough in U.S. diesel fuel markets, and presents a simple model of the lags from changes in weekly average spot prices to retail prices at the regional level. This analysis follows from previous similar work performed with gasoline prices.

Malaysia Country Analysis Brief

Jul 31, 2002
For information on Malaysia's energy sector, please see our updated Country Analysis Brief. Also included are a map and links to other related web sites.

EIA Publications Directory 2000-2001

Jul 31, 2002
This directory lists periodicals, one-time reports, service reports, and model documenation released in 2000 and 2001. Also included is an abstract, bibliographic information, and a link to the EIA Website.

Electric Power Monthly

Jul 31, 2002
This report is now available on EIA's Electricity page. The publication provides a monthly overview of the U.S. electric power industry. Topics include new generating units, net generation, consumption of fossil fuels, fossil fuel stocks, and retail sales of electricity. Additionally, data on U.S. electric utility receipts and cost of fossil fuels are included. View an on-line summary of the publication.

Chile Country Analysis Brief

Jul 30, 2002
For information on Chile's energy sector (plus expanded information on energy-related environmental issues), please see our updated Country Analysis Brief. Also included are a map, graphs, and links to other related web sites.

Turkey Country Analysis Brief

Jul 30, 2002
For information on Turkey's energy sector, please see our updated Country Analysis Brief. Also included are a map, graph, and links to other related web sites.

Monthly Energy Review

Jul 29, 2002
EIA's core report of key energy statistics: total energy consumption, production, and net imports; overviews of petroleum, natural gas, coal, nuclear, renewable energy, electricity, energy prices, and international. See What's New in the Monthly Energy Review for a record of recent changes in this report. Also included this month are Energy Plugs on Biomass for Electricity Generation and Measuring Changes in Energy Efficiency.

2001 Residential Energy Consumption Survey -- Detailed Tables

Jul 29, 2002
New residential households data available. See Housing Characteristics Data for 2001.

A Look at Principal Building Activities in the 1999 Commercial Buildings Energy Consumption Survey

Jul 25, 2002
A wide variety of building types¿office buildings, shopping malls, hospitals, churches, and fire stations, to name just a few, are covered here. Some of these buildings might not traditionally be considered "commercial," but the CBECS includes all buildings that are not residential, agricultural, or industrial.

Energy Quiz

Jul 24, 2002
Just for FUN - We have updated our interactive energy quiz with a new look and new questions. This quiz will tell you which answers you missed, provide the correct answers, and give you a score. Please note that this quiz is best viewed with Internet Explorer 4.0 or higher or Netscape 4.0 or higher. A separate page (clickable from the quiz page) provides URLs to the reports that the data were taken from (in case that you wish to brush up on a topic). Much luck with the test!

Caspian Sea regional Country Analysis Brief

Jul 24, 2002
For information on the Caspian Sea region's energy situation, please see our updated Country Analysis Brief. Also included are maps, graphs, tables, and links to other related web sites.

Monthly Nuclear Generation 2002

Jul 23, 2002
According to preliminary data, U.S. Nuclear power plants generated 6 billion Kilowatt hours more electricity in the first 4 months of 2002 than in the comparable period of 2001. This table provides the monthly nuclear generation for each of the Nation's 104 commercial reactors up to April 2002. A companion table, Monthly Nuclear Generation 2001, provides the identical data for each of the 12 months of 2001, when the U.S. nuclear industry established its third consecutive world record for electricity output.

Nuclear Timeline

Jul 22, 2002
The timeline provides a chronology of significant events in the U.S. and world nuclear industries from 1996 through present. The events are briefly described and links transport the browser to relevant tables, graphs, and other features.

EIA Releases Draft Information Quality Guidelines and Requests Public Comments

Jul 19, 2002
EIA has released its draft Information Quality Guidelines for ensuring the quality (i.e., objectivity, utility, and integrity) of information disseminated to the public. The comment period runs through August 22, 2002.

Libya Country Analysis Brief

Jul 18, 2002
For information on Libya's energy sector, please see our updated Country Analysis Brief. Also included are a map, graph, and links to other related web sites.

Natural Gas Monthly

Jul 16, 2002
Natural and supplemental gas production, supply, consumption, disposition, storage imports, exports, and prices in the United States.

Kazakhstan Country Analysis Brief

Jul 16, 2002
For information on Kazakhstan's energy sector, please see our updated Country Analysis Brief. Also included are a map, graphs, tables, and links to other related web sites.

Brazil Country Analysis Brief

Jul 15, 2002
For information on Brazil's energy sector, please see our updated Country Analysis Brief. Also included are a map, graphs, and links to other related web sites.

Measuring Changes in Energy Efficiency for the Annual Energy Outlook 2002

Jul 15, 2002
This paper describes the construction of an aggregate energy efficiency index based on projections of sectoral and subsector energy consumption and subsector-specific energy service indicators. The results are compared with the ratio energy to real gross domestic product, which typically is presented as a measure of energy intensity.

Electric Power Monthly

Jul 12, 2002
This report is now available on EIA's Electricity page. The publication provides a monthly overview of the U.S. electric power industry. Topics include new generating units, net generation, consumption of fossil fuels, fossil fuel stocks, and retail sales of electricity. Additionally, data on U.S. electric utility receipts and cost of fossil fuels are included. View an on-line summary of the publication.

Biomass for Electricity Generation

Jul 11, 2002
This paper examines issues affecting the uses of biomass for electricity generation. The methodology used in the National Energy Modeling System to account for various types of biomass is discussed, and the underlying assumptions are explained.

EIA Requests Comments on Proposed Weekly Natural Gas Storage Report Revision Policy

Jul 11, 2002
EIA issued a Federal Register notice soliciting comments on the proposed revision policy for the Weekly Natural Gas Storage Report. Special topics for public comment include the appropriateness of the overall revision plan, volume thresholds that trigger either scheduled or unscheduled revisions, timing of unscheduled releases, and methods to notify the public in the case of an unscheduled revision. Comments must be filed by August 12, 2002.

China Nuclear Industry

Jul 10, 2002
Highlights the historical, current, and future trends of commercial nuclear power in the World¿s most populated nation. This feature provides an interactive map, a survey of reactors in service or currently under construction, an overview of foreign participation in construction, and a timeline of key events.

Monthly Natural Gas Time Series Data, by State -- an Update

Jul 9, 2002
On the US Map click on the desired State and then select the desired time series under Petroleum or Natural Gas; Or, from the right column of the EIA States page you can go directly to the EIA Monthly Time Series Data for each State. Five sets of time series are accessible: The updated NG series: (1) Natural Gas Prices, (2) Natural Gas Production and Sales, start from January 1996 and go through March 2002. The petroleum products series: (1) Petroleum Product Prices, (2) Petroleum Product Sales, (3) Petroleum Product Stocks. They start from January 1996 and go through April 2002. The data are extracted from the Oil and Gas Information Resource System (OGIRS).

Short-Term Energy Outlook July 2002

Jul 8, 2002
Quarterly short-term energy projections for supply, demand, and price for the major fuels through 2003 for the U.S. International oil forecasts are included.

OPEC Fact Sheet

Jul 8, 2002
For up-to-date information on OPEC, please see our updated Fact Sheet. Also included are graphs and links to other OPEC-related web sites.


Older than 8670 days ›‹ Previous

April 2, 2026 Today in Energy ›

Rooftop solar photovoltaic systems account for 20% of Puerto Rico’s capacity mix ›

Rooftop solar generating capacity in Puerto Rico totaled 1,456 megawatts (MW) at the end of 2025, 20% of the overall capacity mix. Rooftop solar capacity has increased faster than other sources over the past decade. Between 2016 and 2025 rooftop solar installations accounted for 81% of the new generating capacity in Puerto Rico, according to data from our Electric Power Monthly and Puerto Rico Energy Bureau’s (PREB) Quarterly Report on System Data. In 2025, rooftop solar became the second-largest capacity source, after petroleum liquids capacity (3,671 MW), and surpassed natural gas capacity (1,391 MW). More

Puerto Rico cumulative operating capacity by energy source

Data source: U.S. Energy Information Administration, Electric Power Monthly, and Puerto Rico Energy Bureau, Quarterly Report on System Data


Regular Releases*

Daily

New England Dashboard
Updated hourly (unless indicated otherwise)

U.S. Electric System Operating Data
Updated hourly (unless indicated otherwise)

Today in Energy
Release schedule: Several times each week


Weekly

Coal Markets
Release schedule: Monday by 5:00 p.m. EST

Gasoline and Diesel Fuel Update
Release schedule: Tuesday approx. 10:00 a.m. EST (schedule)

Heating Oil & Propane Update (October-March)
Heating Oil, Propane Residential and Wholesale Price Data
Release schedule: Wednesday at 1:00 p.m. EST

Weekly Coal Production
Release schedule: Thursday by 5:00 p.m. EST

Weekly Natural Gas Storage Report
Release schedule: Thursday at 10:30 a.m. EST (schedule)

Weekly Natural Gas Storage Report Supplement
Release schedule: Thursday by 5:00 p.m. EST

Weekly Petroleum Status Report
Release schedule: The wpsrsummary.pdf, overview.pdf, and Tables 1-14 in CSV and XLS formats, are released to the Web site after 10:30 a.m. EST on Wednesday. All other PDF and HTML files are released to the Web site after 1:00 p.m. EST on Wednesday. For some weeks which include holidays, releases are delayed by one day. (schedule)

* Releases change on weeks with Federal holidays

 Full list of upcoming reports

Sign up for email notifications

Get the What's New RSS feed