heise online English<p>Photovoltaic system retains nearly 80% output after 30 years of operation.</p><p>The performance of a 31-year-old photovoltaic system in France was tested and confirmed the manufacturer's promises.</p><p><a href="https://www.heise.de/en/news/Photovoltaic-system-retains-nearly-80-output-after-30-years-of-operation-9770373.html?wt_mc=sm.red.ho.mastodon.mastodon.md_beitraege.md_beitraege&utm_source=mastodon" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">heise.de/en/news/Photovoltaic-</span><span class="invisible">system-retains-nearly-80-output-after-30-years-of-operation-9770373.html?wt_mc=sm.red.ho.mastodon.mastodon.md_beitraege.md_beitraege&utm_source=mastodon</span></a></p><p><a href="https://social.heise.de/tags/ErneuerbareEnergie" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ErneuerbareEnergie</span></a> <a href="https://social.heise.de/tags/IT" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>IT</span></a> <a href="https://social.heise.de/tags/Photovoltaik" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Photovoltaik</span></a> <a href="https://social.heise.de/tags/Solarenergie" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Solarenergie</span></a> <a href="https://social.heise.de/tags/Stromversorgung" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Stromversorgung</span></a> <a href="https://social.heise.de/tags/news" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>news</span></a></p>