class="cn">NULL</span>,
  offset <span class="op">=</span> <span class="cn">NULL</span>,
  frequency <span class="op">=</span> <span class="cn">NULL</span>,
  format <span class="op">=</span> <span class="st">"data.frame"</span>
<span class="op">)</span></code></pre></div>
    </div>

    <div id="arguments">
    <h2>Arguments</h2>
    <dl><dt>api_key</dt>
<dd><p>A string, EIA API key, see https://www.eia.gov/opendata/ for registration to the API service</p></dd>
<dt>api_path</dt>
<dd><p>A string, the API p