The Office of Energy Efficiency and Renewable Energy (EERE) Style Guide is an essential tool for preparing publications, exhibits, and websites. It features formatting, spelling, punctuation, capitalization, grammar, and language guidelines.
Why Use This Guide?
This guide promotes the accuracy, consistency, and professionalism required for effectively communicating EERE's capabilities and accomplishments in research and development.
How To Use This Guide
Consult this guide first when you develop or edit a publication or website for EERE. The entries are listed in alphabetical order. You can also use the index to search for entries by topic.
If you can't find an entry on a subject or topic, consult these style and reference guides in the following order:
- The Associated Press Stylebook *
- Merriam-Webster's Collegiate Dictionary
- The Chicago Manual of Style.*
* Available by subscription only.
Use the alphabetical index below to locate topics covered in the guide. You may also browse the full text of the style guide.
A
- a and an
- abbreviations and acronyms
- academic degrees
- acronyms
- active voice and passive voice
- addresses
- affect and effect
- air conditioning
- American Recovery and Reinvestment Act of 2009
- ampersands
- appendices
- assure, ensure, and insure
- author-date citations
B
C
- capitalization
- captions
- Chemical Terms
- citations
- cleantech
- close-spaced sublimation
- cogeneration
- colons
- commas
- compose and comprise
- compound words, unit modifiers, and hyphens
- Congress and congressional
- cooperative research and development agreement
- coproduction
- countries and states
- CPV
- criterion
- CSP
D
- dashes
- data in tables
- dates
- data and datum
- decision maker
- degree symbol
- Department of Energy
- disclaimer
- dish/engine systems
- dollars
E
- effect and affect
- ellipses
- ENERGY STAR
- enhanced geothermal system
- ensure, assure, and insure
- equations
- etc.
- executive summaries
- exergy
F
G
- geofluid
- geographic information system
- geographic regions
- geopressured geothermal resource
- Geothermal Electric Technology Evaluation Model
- glossaries and nomenclatures
- Google Earth and Google Maps
- ground-source heat pump
H
I
K
L
M
- mathematical symbols
- measurement units
- megawatt (MW)
- megawatt-hour (MWh)
- memorandum
- metric conversions
- Metric System
- microgrid
- microseismic events
- misplaced modifiers
- months and years
- multiplication symbols
- multijunction solar cell
N
- nation
- nomenclature and glossary
- nonattainment
- noncondensable gases
- nonrestrictive phrases and clauses
- non-SI units of measurement
- nouns
- noun and adjective strings
- numbers
O
P
- parallelism
- parentheses
- passive and active voice
- percent, %, and percentage
- periods
- personal pronouns
- phenomenon
- phone numbers
- photographs
- photovoltaics and photovoltaic
- policymaker
- prefixes
- pressure
- principal and principle
Q
R
- Rankine cycle
- ratios
- references and citations
- renewable energy certificate
- renewable portfolio standard
- restrictive phrases and clauses
- rheology
S
- scientific notation
- semicolons
- SI (metric) system
- since and because
- slash (solidus)
- Smart Grid and smart grid
- solar cell interfaces
- solar conversion efficiency
- Solar Decathlon
- solar electricity
- sources
- spaces
- standard errors
- state implementation plan
- states and countries
- statistical terms
- supercritical fluid
- systems integrator